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5909 lines
139 KiB
ObjectPascal
5909 lines
139 KiB
ObjectPascal
{
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This file is part of the Free Pascal run time library.
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Copyright (c) 1999-2000 by Michael Van Canneyt,
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BSD parts (c) 2000 by Marco van de Voort
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members of the Free Pascal development team.
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See the file COPYING.FPC, included in this distribution,
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for details about the copyright.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY;without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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**********************************************************************}
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unit oldlinux;
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Interface
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Const
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{ Things for LSEEK call }
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Seek_set = 0;
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Seek_Cur = 1;
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Seek_End = 2;
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{ Things for OPEN call - after linux/fcntl.h }
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Open_Accmode = 3;
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Open_RdOnly = 0;
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Open_WrOnly = 1;
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Open_RdWr = 2;
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Open_Creat = 1 shl 6;
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Open_Excl = 2 shl 6;
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Open_NoCtty = 4 shl 6;
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Open_Trunc = 1 shl 9;
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Open_Append = 2 shl 9;
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Open_NonBlock = 4 shl 9;
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Open_NDelay = Open_NonBlock;
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Open_Sync = 1 shl 12;
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Open_Direct = 4 shl 12;
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Open_LargeFile = 1 shl 15;
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Open_Directory = 2 shl 15;
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Open_NoFollow = 4 shl 15;
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{ The waitpid uses the following options:}
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Wait_NoHang = 1;
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Wait_UnTraced = 2;
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Wait_Any = -1;
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Wait_MyPGRP = 0;
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Wait_Clone = $80000000;
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{ Constants to check stat.mode }
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STAT_IFMT = $f000; {00170000}
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STAT_IFSOCK = $c000; {0140000}
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STAT_IFLNK = $a000; {0120000}
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STAT_IFREG = $8000; {0100000}
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STAT_IFBLK = $6000; {0060000}
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STAT_IFDIR = $4000; {0040000}
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STAT_IFCHR = $2000; {0020000}
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STAT_IFIFO = $1000; {0010000}
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STAT_ISUID = $0800; {0004000}
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STAT_ISGID = $0400; {0002000}
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STAT_ISVTX = $0200; {0001000}
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{ Constants to check permissions }
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STAT_IRWXO = $7;
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STAT_IROTH = $4;
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STAT_IWOTH = $2;
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STAT_IXOTH = $1;
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STAT_IRWXG = STAT_IRWXO shl 3;
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STAT_IRGRP = STAT_IROTH shl 3;
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STAT_IWGRP = STAT_IWOTH shl 3;
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STAT_IXGRP = STAT_IXOTH shl 3;
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STAT_IRWXU = STAT_IRWXO shl 6;
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STAT_IRUSR = STAT_IROTH shl 6;
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STAT_IWUSR = STAT_IWOTH shl 6;
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STAT_IXUSR = STAT_IXOTH shl 6;
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{ Constants to test the type of filesystem }
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fs_old_ext2 = $ef51;
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fs_ext2 = $ef53;
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fs_ext = $137d;
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fs_iso = $9660;
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fs_minix = $137f;
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fs_minix_30 = $138f;
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fs_minux_V2 = $2468;
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fs_msdos = $4d44;
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fs_nfs = $6969;
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fs_proc = $9fa0;
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fs_xia = $012FD16D;
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{ Constansts for MMAP }
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MAP_PRIVATE =2;
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MAP_ANONYMOUS =$20;
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{Constansts Termios/Ioctl (used in Do_IsDevice) }
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IOCtl_TCGETS=$5401; // TCGETS is also in termios.inc, but the sysunix needs only this
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type
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{
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Linux system calls take arguments as follows :
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cpui386/m68k:
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%eax/%d0 : System call number
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%ebx/%d1 : first argument
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%ecx/%d2 : second argument
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%edx/%d3 : third argumens
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%esi/%d3 : fourth argument
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%edi/%d4 : fifth argument
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That is why we define a special type, with only these arguments
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To make it processor independent, we don't give any system dependent
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names, but the rather abstract reg1,reg2 etc;
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}
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SysCallRegs=record
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reg1,reg2,reg3,reg4,reg5,reg6 : longint;
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end;
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PSysCallRegs=^SysCallRegs;
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TSysCallRegs=SysCallRegs;
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{ The following are records for system calls }
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dirent = packed record
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ino,
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off : longint;
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reclen : word;
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name : array [0..255] of char;
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end;
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pdirent =^dirent;
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TDirEnt = dirent;
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TDir = packed record
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fd : integer;
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loc : longint;
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size : integer;
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buf : pdirent;
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{The following are used in libc, but NOT in the linux kernel sources ??}
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nextoff: longint;
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dd_max : integer; {size of buf. Irrelevant, as buf is of type dirent}
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lock : pointer;
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end;
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PDir =^TDir;
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dev_t = word;
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Stat = packed record
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dev : dev_t;
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pad1 : word;
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ino : longint;
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mode,
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nlink,
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uid,
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gid : word;
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rdev : dev_t;
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pad2 : word;
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size,
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blksize,
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blocks,
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atime,
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unused1,
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mtime,
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unused2,
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ctime,
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unused3,
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unused4,
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unused5 : longint;
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end;
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PStat=^Stat;
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TStat=Stat;
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Statfs = packed record
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fstype, { File system type }
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bsize, { Optimal block trensfer size }
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blocks, { Data blocks in system }
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bfree, { free blocks in system }
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bavail, { Available free blocks to non-root users }
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files, { File nodes in system }
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ffree, { Free file nodes in system }
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fsid, { File system ID }
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namelen : longint; { Maximum name length in system }
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spare : array [0..6] of longint; { For later use }
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end;
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PStatFS=^StatFS;
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TStatFS=StatFS;
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fdSet=array[0..7] of longint;{=256 bits}
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pfdset=^fdset;
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TFDSet=fdset;
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timeval = packed record
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sec,usec:longint
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end;
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ptimeval=^timeval;
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TTimeVal=timeval;
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timespec = packed record
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tv_sec,tv_nsec:longint;
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end;
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timezone = packed record
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minuteswest,dsttime:longint;
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end;
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ptimezone =^timezone;
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TTimeZone = timezone;
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utsname = packed record
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sysname,
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nodename,
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release,
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version,
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machine,
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domainname : Array[0..64] of char;
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end;
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PUTSName=^UTSName;
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TUTSName=UTSName;
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{ Get System call numbers and error-numbers}
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const
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syscall_nr_setup = 0;
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syscall_nr_exit = 1;
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syscall_nr_fork = 2;
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syscall_nr_read = 3;
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syscall_nr_write = 4;
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syscall_nr_open = 5;
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syscall_nr_close = 6;
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syscall_nr_waitpid = 7;
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syscall_nr_creat = 8;
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syscall_nr_link = 9;
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syscall_nr_unlink = 10;
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syscall_nr_execve = 11;
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syscall_nr_chdir = 12;
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syscall_nr_time = 13;
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syscall_nr_mknod = 14;
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syscall_nr_chmod = 15;
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syscall_nr_chown = 16;
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syscall_nr_break = 17;
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syscall_nr_oldstat = 18;
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syscall_nr_lseek = 19;
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syscall_nr_getpid = 20;
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syscall_nr_mount = 21;
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syscall_nr_umount = 22;
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syscall_nr_setuid = 23;
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syscall_nr_getuid = 24;
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syscall_nr_stime = 25;
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syscall_nr_ptrace = 26;
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syscall_nr_alarm = 27;
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syscall_nr_oldfstat = 28;
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syscall_nr_pause = 29;
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syscall_nr_utime = 30;
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syscall_nr_stty = 31;
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syscall_nr_gtty = 32;
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syscall_nr_access = 33;
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syscall_nr_nice = 34;
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syscall_nr_ftime = 35;
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syscall_nr_sync = 36;
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syscall_nr_kill = 37;
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syscall_nr_rename = 38;
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syscall_nr_mkdir = 39;
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syscall_nr_rmdir = 40;
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syscall_nr_dup = 41;
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syscall_nr_pipe = 42;
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syscall_nr_times = 43;
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syscall_nr_prof = 44;
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syscall_nr_brk = 45;
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syscall_nr_setgid = 46;
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syscall_nr_getgid = 47;
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syscall_nr_signal = 48;
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syscall_nr_geteuid = 49;
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syscall_nr_getegid = 50;
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syscall_nr_acct = 51;
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syscall_nr_phys = 52;
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syscall_nr_lock = 53;
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syscall_nr_ioctl = 54;
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syscall_nr_fcntl = 55;
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syscall_nr_mpx = 56;
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syscall_nr_setpgid = 57;
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syscall_nr_ulimit = 58;
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syscall_nr_oldolduname = 59;
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syscall_nr_umask = 60;
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syscall_nr_chroot = 61;
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syscall_nr_ustat = 62;
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syscall_nr_dup2 = 63;
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syscall_nr_getppid = 64;
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syscall_nr_getpgrp = 65;
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syscall_nr_setsid = 66;
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syscall_nr_sigaction = 67;
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syscall_nr_sgetmask = 68;
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syscall_nr_ssetmask = 69;
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syscall_nr_setreuid = 70;
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syscall_nr_setregid = 71;
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syscall_nr_sigsuspend = 72;
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syscall_nr_sigpending = 73;
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syscall_nr_sethostname = 74;
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syscall_nr_setrlimit = 75;
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syscall_nr_getrlimit = 76;
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syscall_nr_getrusage = 77;
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syscall_nr_gettimeofday = 78;
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syscall_nr_settimeofday = 79;
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syscall_nr_getgroups = 80;
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syscall_nr_setgroups = 81;
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syscall_nr_select = 82;
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syscall_nr_symlink = 83;
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syscall_nr_oldlstat = 84;
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syscall_nr_readlink = 85;
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syscall_nr_uselib = 86;
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syscall_nr_swapon = 87;
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syscall_nr_reboot = 88;
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syscall_nr_readdir = 89;
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syscall_nr_mmap = 90;
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syscall_nr_munmap = 91;
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syscall_nr_truncate = 92;
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syscall_nr_ftruncate = 93;
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syscall_nr_fchmod = 94;
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syscall_nr_fchown = 95;
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syscall_nr_getpriority = 96;
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syscall_nr_setpriority = 97;
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syscall_nr_profil = 98;
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syscall_nr_statfs = 99;
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syscall_nr_fstatfs = 100;
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syscall_nr_ioperm = 101;
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syscall_nr_socketcall = 102;
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syscall_nr_syslog = 103;
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syscall_nr_setitimer = 104;
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syscall_nr_getitimer = 105;
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syscall_nr_stat = 106;
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syscall_nr_lstat = 107;
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syscall_nr_fstat = 108;
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syscall_nr_olduname = 109;
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syscall_nr_iopl = 110;
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syscall_nr_vhangup = 111;
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syscall_nr_idle = 112;
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syscall_nr_vm86old = 113;
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syscall_nr_wait4 = 114;
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syscall_nr_swapoff = 115;
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syscall_nr_sysinfo = 116;
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syscall_nr_ipc = 117;
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syscall_nr_fsync = 118;
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syscall_nr_sigreturn = 119;
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syscall_nr_clone = 120;
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syscall_nr_setdomainname = 121;
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syscall_nr_uname = 122;
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syscall_nr_modify_ldt = 123;
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syscall_nr_adjtimex = 124;
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syscall_nr_mprotect = 125;
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syscall_nr_sigprocmask = 126;
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syscall_nr_create_module = 127;
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syscall_nr_init_module = 128;
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syscall_nr_delete_module = 129;
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syscall_nr_get_kernel_syms = 130;
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syscall_nr_quotactl = 131;
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syscall_nr_getpgid = 132;
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syscall_nr_fchdir = 133;
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syscall_nr_bdflush = 134;
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syscall_nr_sysfs = 135;
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syscall_nr_personality = 136;
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syscall_nr_afs_syscall = 137;
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syscall_nr_setfsuid = 138;
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syscall_nr_setfsgid = 139;
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syscall_nr__llseek = 140;
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syscall_nr_getdents = 141;
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syscall_nr__newselect = 142;
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syscall_nr_flock = 143;
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syscall_nr_msync = 144;
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syscall_nr_readv = 145;
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syscall_nr_writev = 146;
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syscall_nr_getsid = 147;
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syscall_nr_fdatasync = 148;
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syscall_nr__sysctl = 149;
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syscall_nr_mlock = 150;
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syscall_nr_munlock = 151;
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syscall_nr_mlockall = 152;
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syscall_nr_munlockall = 153;
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syscall_nr_sched_setparam = 154;
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syscall_nr_sched_getparam = 155;
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syscall_nr_sched_setscheduler = 156;
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syscall_nr_sched_getscheduler = 157;
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syscall_nr_sched_yield = 158;
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syscall_nr_sched_get_priority_max = 159;
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syscall_nr_sched_get_priority_min = 160;
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syscall_nr_sched_rr_get_interval = 161;
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syscall_nr_nanosleep = 162;
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syscall_nr_mremap = 163;
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syscall_nr_setresuid = 164;
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syscall_nr_getresuid = 165;
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syscall_nr_vm86 = 166;
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syscall_nr_query_module = 167;
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syscall_nr_poll = 168;
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syscall_nr_sigaltstack = 186;
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{$IFDEF SYSCALL_DEBUG}
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const
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Sys_nr_txt : array[0..168] of string[15]=(
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'Setup', { 0 }
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'Exit', { 1 }
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'Fork', { 2 }
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'Read', { 3 }
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'Write', { 4 }
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'Open', { 5 }
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'Close', { 6 }
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'WaitPid', { 7 }
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'Create', { 8 }
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'Link', { 9 }
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'UnLink', { 10 }
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'ExecVe', { 11 }
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'ChDir', { 12 }
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'Time', { 13 }
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'MkNod', { 14 }
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'ChMod', { 15 }
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'ChOwn', { 16 }
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'Break', { 17 }
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'OldState', { 18 }
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'LSeek', { 19 }
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'GetPid', { 20 }
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'Mount', { 21 }
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'UMount', { 22 }
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'SetUid', { 23 }
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'GetUid', { 24 }
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'STime', { 25 }
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'PTrace', { 26 }
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'Alarm', { 27 }
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'OldFStat', { 28 }
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'Pause', { 29 }
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'UTime', { 30 }
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'STTY', { 31 }
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'GTTY', { 32 }
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'Access', { 33 }
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'Nice', { 34 }
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'FTime', { 35 }
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'Sync', { 36 }
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'Kill', { 37 }
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'Rename', { 38 }
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'MkDir', { 39 }
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'RmDir', { 40 }
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'Dup', { 41 }
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'Pipe', { 42 }
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'Times', { 43 }
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'Prof', { 44 }
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'Break', { 45 }
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'SetGid', { 46 }
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'GetGid', { 47 }
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'Signal', { 48 }
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'GetEUid', { 49 }
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'GetEGid', { 50 }
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'Acct', { 51 }
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'Phys', { 52 }
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'Lock', { 53 }
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'IOCtl', { 54 }
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'FCNtl', { 55 }
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'Mpx', { 56 }
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'SetPGid', { 57 }
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'ULimit', { 58 }
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'OldOldUName', { 59 }
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'UMask', { 60 }
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'ChRoot', { 61 }
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'UStat', { 62 }
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'Dup2', { 63 }
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'GetPPid', { 64 }
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'GetPGrp', { 65 }
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'SetSid', { 66 }
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'SigAction', { 67 }
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'SGetMask', { 68 }
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'SSetMask', { 69 }
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'SetReUid', { 70 }
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'SetReGid', { 71 }
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'SigSuspend', { 72 }
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'SigPending', { 73 }
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'SetHostName', { 74 }
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'SetRLimit', { 75 }
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'GetRLimit', { 76 }
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'GetRUsage', { 77 }
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'GetTimeOfDay', { 78 }
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'SetTimeOfDay', { 79 }
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'GetGroups', { 80 }
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'SetGroups', { 81 }
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'Select', { 82 }
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'SymLink', { 83 }
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'OldLStat', { 84 }
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'ReadLink', { 85 }
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'UseLib', { 86 }
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'SwapOn', { 87 }
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'Reboot', { 88 }
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'ReadDir', { 89 }
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'MMap', { 90 }
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'MunMap', { 91 }
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'Truncate', { 92 }
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'FTruncate', { 93 }
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'FChMod', { 94 }
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'FChOwn', { 95 }
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'GetPriority', { 96 }
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'SetPriority', { 97 }
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'Profile', { 98 }
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'StatFs', { 99 }
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'FStatFs', { 100 }
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'IOPerm', { 101 }
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'SocketCall', { 102 }
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'SysLog', { 103 }
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'SetITimer', { 104 }
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'GetITimer', { 105 }
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'Stat', { 106 }
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'LStat', { 107 }
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'FStat', { 108 }
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'OldUName', { 109 }
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'IOPl', { 110 }
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'VHangup', { 111 }
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'Idle', { 112 }
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'VM86', { 113 }
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'Wait4', { 114 }
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'SwapOff', { 115 }
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'SysInfo', { 116 }
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'IPC', { 117 }
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'FSync', { 118 }
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'SigReturn', { 119 }
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'Clone', { 120 }
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'SetDomainName', { 121 }
|
|
'UName', { 122 }
|
|
'Modify_Ldt', { 123 }
|
|
'AdjTimeX', { 124 }
|
|
'MProtect', { 125 }
|
|
'SigProcMask', { 126 }
|
|
'Create_Module', { 127 }
|
|
'Init_Module', { 128 }
|
|
'Delete_Module', { 129 }
|
|
'Get_Kernel_Syms', { 130 }
|
|
'QuotaCtl', { 131 }
|
|
'GetPGid', { 132 }
|
|
'FChDir', { 133 }
|
|
'BDFlush', { 134 }
|
|
'SysFs', { 135 }
|
|
'Personality', { 136 }
|
|
'AFS_SysCall', { 137 }
|
|
'SetFsUid', { 138 }
|
|
'SetFsGid', { 139 }
|
|
'__LLSeek', { 140 }
|
|
'GetDents', { 141 }
|
|
'__NewSelect', { 142 }
|
|
'FLock', { 143 }
|
|
'MSync', { 144 }
|
|
'ReadV', { 145 }
|
|
'WriteV', { 146 }
|
|
'GetSid', { 147 }
|
|
'FDataSync', { 148 }
|
|
'__SysCtl', { 149 }
|
|
'MLock', { 150 }
|
|
'MUnLock', { 151 }
|
|
'MLockAll', { 152 }
|
|
'MUnLockAll', { 153 }
|
|
'MSchdSetParam', { 154 }
|
|
'MSchdGetParam', { 155 }
|
|
'MSchdSetSchd', { 156 }
|
|
'MSchdGetSchd', { 157 }
|
|
'MSchdYield', { 158 }
|
|
'MSchdGetPriMax', { 159 }
|
|
'MSchdGetPriMin', { 160 }
|
|
'MSchdRRGetInt', { 161 }
|
|
'NanoSleep', { 162 }
|
|
'MRemap', { 163 }
|
|
'SetReSuid', { 164 }
|
|
'GetReSuid', { 165 }
|
|
'vm86', { 166 }
|
|
'QueryModule', { 167 }
|
|
'Poll'); { 168 }
|
|
{$ENDIF}
|
|
|
|
Const
|
|
|
|
Sys_EPERM = 1; { Operation not permitted }
|
|
Sys_ENOENT = 2; { No such file or directory }
|
|
Sys_ESRCH = 3; { No such process }
|
|
Sys_EINTR = 4; { Interrupted system call }
|
|
Sys_EIO = 5; { I/O error }
|
|
Sys_ENXIO = 6; { No such device or address }
|
|
Sys_E2BIG = 7; { Arg list too long }
|
|
Sys_ENOEXEC = 8; { Exec format error }
|
|
Sys_EBADF = 9; { Bad file number }
|
|
Sys_ECHILD = 10; { No child processes }
|
|
Sys_EAGAIN = 11; { Try again }
|
|
Sys_ENOMEM = 12; { Out of memory }
|
|
Sys_EACCES = 13; { Permission denied }
|
|
Sys_EFAULT = 14; { Bad address }
|
|
Sys_ENOTBLK = 15; { Block device required, NOT POSIX! }
|
|
Sys_EBUSY = 16; { Device or resource busy }
|
|
Sys_EEXIST = 17; { File exists }
|
|
Sys_EXDEV = 18; { Cross-device link }
|
|
Sys_ENODEV = 19; { No such device }
|
|
Sys_ENOTDIR = 20; { Not a directory }
|
|
Sys_EISDIR = 21; { Is a directory }
|
|
Sys_EINVAL = 22; { Invalid argument }
|
|
Sys_ENFILE = 23; { File table overflow }
|
|
Sys_EMFILE = 24; { Too many open files }
|
|
Sys_ENOTTY = 25; { Not a typewriter }
|
|
Sys_ETXTBSY = 26; { Text file busy. The new process was
|
|
a pure procedure (shared text) file which was
|
|
open for writing by another process, or file
|
|
which was open for writing by another process,
|
|
or while the pure procedure file was being
|
|
executed an open(2) call requested write access
|
|
requested write access.}
|
|
Sys_EFBIG = 27; { File too large }
|
|
Sys_ENOSPC = 28; { No space left on device }
|
|
Sys_ESPIPE = 29; { Illegal seek }
|
|
Sys_EROFS = 30; { Read-only file system }
|
|
Sys_EMLINK = 31; { Too many links }
|
|
Sys_EPIPE = 32; { Broken pipe }
|
|
Sys_EDOM = 33; { Math argument out of domain of func }
|
|
Sys_ERANGE = 34; { Math result not representable }
|
|
Sys_EDEADLK = 35; { Resource deadlock would occur }
|
|
Sys_ENAMETOOLONG= 36; { File name too long }
|
|
Sys_ENOLCK = 37; { No record locks available }
|
|
Sys_ENOSYS = 38; { Function not implemented }
|
|
Sys_ENOTEMPTY= 39; { Directory not empty }
|
|
Sys_ELOOP = 40; { Too many symbolic links encountered }
|
|
Sys_EWOULDBLOCK = Sys_EAGAIN; { Operation would block }
|
|
Sys_ENOMSG = 42; { No message of desired type }
|
|
Sys_EIDRM = 43; { Identifier removed }
|
|
Sys_ECHRNG = 44; { Channel number out of range }
|
|
Sys_EL2NSYNC= 45; { Level 2 not synchronized }
|
|
Sys_EL3HLT = 46; { Level 3 halted }
|
|
Sys_EL3RST = 47; { Level 3 reset }
|
|
Sys_ELNRNG = 48; { Link number out of range }
|
|
Sys_EUNATCH = 49; { Protocol driver not attached }
|
|
Sys_ENOCSI = 50; { No CSI structure available }
|
|
Sys_EL2HLT = 51; { Level 2 halted }
|
|
Sys_EBADE = 52; { Invalid exchange }
|
|
Sys_EBADR = 53; { Invalid request descriptor }
|
|
Sys_EXFULL = 54; { Exchange full }
|
|
Sys_ENOANO = 55; { No anode }
|
|
Sys_EBADRQC = 56; { Invalid request code }
|
|
Sys_EBADSLT = 57; { Invalid slot }
|
|
Sys_EDEADLOCK= 58; { File locking deadlock error }
|
|
Sys_EBFONT = 59; { Bad font file format }
|
|
Sys_ENOSTR = 60; { Device not a stream }
|
|
Sys_ENODATA = 61; { No data available }
|
|
Sys_ETIME = 62; { Timer expired }
|
|
Sys_ENOSR = 63; { Out of streams resources }
|
|
Sys_ENONET = 64; { Machine is not on the network }
|
|
Sys_ENOPKG = 65; { Package not installed }
|
|
Sys_EREMOTE = 66; { Object is remote }
|
|
Sys_ENOLINK = 67; { Link has been severed }
|
|
Sys_EADV = 68; { Advertise error }
|
|
Sys_ESRMNT = 69; { Srmount error }
|
|
Sys_ECOMM = 70; { Communication error on send }
|
|
Sys_EPROTO = 71; { Protocol error }
|
|
Sys_EMULTIHOP= 72; { Multihop attempted }
|
|
Sys_EDOTDOT = 73; { RFS specific error }
|
|
Sys_EBADMSG = 74; { Not a data message }
|
|
Sys_EOVERFLOW= 75; { Value too large for defined data type }
|
|
Sys_ENOTUNIQ= 76; { Name not unique on network }
|
|
Sys_EBADFD = 77; { File descriptor in bad state }
|
|
Sys_EREMCHG = 78; { Remote address changed }
|
|
Sys_ELIBACC = 79; { Can not access a needed shared library }
|
|
Sys_ELIBBAD = 80; { Accessing a corrupted shared library }
|
|
Sys_ELIBSCN = 81; { .lib section in a.out corrupted }
|
|
Sys_ELIBMAX = 82; { Attempting to link in too many shared libraries }
|
|
Sys_ELIBEXEC= 83; { Cannot exec a shared library directly }
|
|
Sys_EILSEQ = 84; { Illegal byte sequence }
|
|
Sys_ERESTART= 85; { Interrupted system call should be restarted }
|
|
Sys_ESTRPIPE= 86; { Streams pipe error }
|
|
Sys_EUSERS = 87; { Too many users }
|
|
Sys_ENOTSOCK= 88; { Socket operation on non-socket }
|
|
Sys_EDESTADDRREQ= 89; { Destination address required }
|
|
Sys_EMSGSIZE= 90; { Message too long }
|
|
Sys_EPROTOTYPE= 91; { Protocol wrong type for socket }
|
|
Sys_ENOPROTOOPT= 92; { Protocol not available }
|
|
Sys_EPROTONOSUPPORT= 93; { Protocol not supported }
|
|
Sys_ESOCKTNOSUPPORT= 94; { Socket type not supported }
|
|
Sys_EOPNOTSUPP= 95; { Operation not supported on transport endpoint }
|
|
Sys_EPFNOSUPPORT= 96; { Protocol family not supported }
|
|
Sys_EAFNOSUPPORT= 97; { Address family not supported by protocol }
|
|
Sys_EADDRINUSE= 98; { Address already in use }
|
|
Sys_EADDRNOTAVAIL= 99; { Cannot assign requested address }
|
|
Sys_ENETDOWN= 100; { Network is down }
|
|
Sys_ENETUNREACH= 101; { Network is unreachable }
|
|
Sys_ENETRESET= 102; { Network dropped connection because of reset }
|
|
Sys_ECONNABORTED= 103; { Software caused connection abort }
|
|
Sys_ECONNRESET= 104; { Connection reset by peer }
|
|
Sys_ENOBUFS = 105; { No buffer space available }
|
|
Sys_EISCONN = 106; { Transport endpoint is already connected }
|
|
Sys_ENOTCONN= 107; { Transport endpoint is not connected }
|
|
Sys_ESHUTDOWN= 108; { Cannot send after transport endpoint shutdown }
|
|
Sys_ETOOMANYREFS= 109; { Too many references: cannot splice }
|
|
Sys_ETIMEDOUT= 110; { Connection timed out }
|
|
Sys_ECONNREFUSED= 111; { Connection refused }
|
|
Sys_EHOSTDOWN= 112; { Host is down }
|
|
Sys_EHOSTUNREACH= 113; { No route to host }
|
|
Sys_EALREADY= 114; { Operation already in progress }
|
|
Sys_EINPROGRESS= 115; { Operation now in progress }
|
|
Sys_ESTALE = 116; { Stale NFS file handle }
|
|
Sys_EUCLEAN = 117; { Structure needs cleaning }
|
|
Sys_ENOTNAM = 118; { Not a XENIX named type file }
|
|
Sys_ENAVAIL = 119; { No XENIX semaphores available }
|
|
Sys_EISNAM = 120; { Is a named type file }
|
|
Sys_EREMOTEIO= 121; { Remote I/O error }
|
|
Sys_EDQUOT = 122; { Quota exceeded }
|
|
|
|
|
|
{ This value was suggested by Daniel
|
|
based on infos from www.linuxassembly.org }
|
|
|
|
Sys_ERROR_MAX = $fff;
|
|
|
|
{$packrecords C}
|
|
|
|
{********************
|
|
Signal
|
|
********************}
|
|
type
|
|
SigSet = Longint;
|
|
PSigSet = ^SigSet;
|
|
|
|
Const
|
|
{ For sending a signal }
|
|
SA_NOCLDSTOP = 1;
|
|
SA_SHIRQ = $04000000;
|
|
SA_STACK = $08000000;
|
|
SA_RESTART = $10000000;
|
|
SA_INTERRUPT = $20000000;
|
|
SA_NOMASK = $40000000;
|
|
SA_ONESHOT = $80000000;
|
|
SA_ONSTACK = SA_STACK;
|
|
|
|
SIG_BLOCK = 0;
|
|
SIG_UNBLOCK = 1;
|
|
SIG_SETMASK = 2;
|
|
|
|
SIG_DFL = 0 ;
|
|
SIG_IGN = 1 ;
|
|
SIG_ERR = -1 ;
|
|
|
|
SIGHUP = 1;
|
|
SIGINT = 2;
|
|
SIGQUIT = 3;
|
|
SIGILL = 4;
|
|
SIGTRAP = 5;
|
|
SIGABRT = 6;
|
|
SIGIOT = 6;
|
|
SIGBUS = 7;
|
|
SIGFPE = 8;
|
|
SIGKILL = 9;
|
|
SIGUSR1 = 10;
|
|
SIGSEGV = 11;
|
|
SIGUSR2 = 12;
|
|
SIGPIPE = 13;
|
|
SIGALRM = 14;
|
|
SIGTerm = 15;
|
|
SIGSTKFLT = 16;
|
|
SIGCHLD = 17;
|
|
SIGCONT = 18;
|
|
SIGSTOP = 19;
|
|
SIGTSTP = 20;
|
|
SIGTTIN = 21;
|
|
SIGTTOU = 22;
|
|
SIGURG = 23;
|
|
SIGXCPU = 24;
|
|
SIGXFSZ = 25;
|
|
SIGVTALRM = 26;
|
|
SIGPROF = 27;
|
|
SIGWINCH = 28;
|
|
SIGIO = 29;
|
|
SIGPOLL = SIGIO;
|
|
SIGPWR = 30;
|
|
SIGUNUSED = 31;
|
|
|
|
|
|
const
|
|
SI_PAD_SIZE = ((128/sizeof(longint)) - 3);
|
|
|
|
type
|
|
Size_T = cardinal;
|
|
|
|
tfpreg = record
|
|
significand: array[0..3] of word;
|
|
exponent: word;
|
|
end;
|
|
|
|
pfpstate = ^tfpstate;
|
|
tfpstate = record
|
|
cw, sw, tag, ipoff, cssel, dataoff, datasel: cardinal;
|
|
st: array[0..7] of tfpreg;
|
|
status: cardinal;
|
|
end;
|
|
|
|
PSigContextRec = ^SigContextRec;
|
|
SigContextRec = record
|
|
gs, __gsh: word;
|
|
fs, __fsh: word;
|
|
es, __esh: word;
|
|
ds, __dsh: word;
|
|
edi: cardinal;
|
|
esi: cardinal;
|
|
ebp: cardinal;
|
|
esp: cardinal;
|
|
ebx: cardinal;
|
|
edx: cardinal;
|
|
ecx: cardinal;
|
|
eax: cardinal;
|
|
trapno: cardinal;
|
|
err: cardinal;
|
|
eip: cardinal;
|
|
cs, __csh: word;
|
|
eflags: cardinal;
|
|
esp_at_signal: cardinal;
|
|
ss, __ssh: word;
|
|
fpstate: pfpstate;
|
|
oldmask: cardinal;
|
|
cr2: cardinal;
|
|
end;
|
|
|
|
(*
|
|
PSigInfoRec = ^SigInfoRec;
|
|
SigInfoRec = record
|
|
si_signo: longint;
|
|
si_errno: longint;
|
|
si_code: longint;
|
|
|
|
case longint of
|
|
0:
|
|
(pad: array[SI_PAD_SIZE] of longint);
|
|
1: { kill }
|
|
( kill: record
|
|
pid: longint; { sender's pid }
|
|
uid : longint; { sender's uid }
|
|
end );
|
|
2: { POSIX.1b timers }
|
|
( timer : record
|
|
timer1 : cardinal;
|
|
timer2 : cardinal;
|
|
end );
|
|
3: { POSIX.1b signals }
|
|
( rt : record
|
|
pid : longint; { sender's pid }
|
|
uid : longint; { sender's uid }
|
|
sigval : longint;
|
|
end );
|
|
4: { SIGCHLD }
|
|
( sigchld : record
|
|
pid : longint; { which child }
|
|
uid : longint; { sender's uid }
|
|
status : longint; { exit code }
|
|
utime : timeval;
|
|
stime : timeval;
|
|
end );
|
|
5: { SIGILL, SIGFPE, SIGSEGV, SIGBUS }
|
|
( sigfault : record
|
|
addr : pointer;{ faulting insn/memory ref. }
|
|
end );
|
|
6:
|
|
( sigpoll : record
|
|
band : longint; { POLL_IN, POLL_OUT, POLL_MSG }
|
|
fd : longint;
|
|
end );
|
|
end;
|
|
*)
|
|
|
|
SignalHandler = Procedure(Sig : Longint);cdecl;
|
|
PSignalHandler = ^SignalHandler;
|
|
SignalRestorer = Procedure;cdecl;
|
|
PSignalRestorer = ^SignalRestorer;
|
|
TSigAction = procedure(Sig: Longint; SigContext: SigContextRec);cdecl;
|
|
|
|
SigActionRec = packed record
|
|
Handler : record
|
|
case byte of
|
|
0: (Sh: SignalHandler);
|
|
1: (Sa: TSigAction);
|
|
end;
|
|
Sa_Mask : SigSet;
|
|
Sa_Flags : Longint;
|
|
Sa_restorer : SignalRestorer; { Obsolete - Don't use }
|
|
end;
|
|
PSigActionRec = ^SigActionRec;
|
|
|
|
const
|
|
SS_ONSTACK = 1;
|
|
SS_DISABLE = 2;
|
|
MINSIGSTKSZ = 2048;
|
|
SIGSTKSZ = 8192;
|
|
|
|
type
|
|
SigAltStack = record
|
|
ss_sp : pointer;
|
|
ss_flags : longint;
|
|
ss_size : size_t;
|
|
end;
|
|
|
|
stack_t = sigaltstack;
|
|
|
|
PSigAltStack = ^SigAltStack;
|
|
|
|
pstack_t = ^stack_t;
|
|
|
|
var
|
|
ErrNo,
|
|
LinuxError : Longint;
|
|
|
|
|
|
{********************
|
|
Process
|
|
********************}
|
|
const
|
|
{Checked for BSD using Linuxthreads port}
|
|
{ cloning flags }
|
|
CSIGNAL = $000000ff; // signal mask to be sent at exit
|
|
CLONE_VM = $00000100; // set if VM shared between processes
|
|
CLONE_FS = $00000200; // set if fs info shared between processes
|
|
CLONE_FILES = $00000400; // set if open files shared between processes
|
|
CLONE_SIGHAND = $00000800; // set if signal handlers shared
|
|
CLONE_PID = $00001000; // set if pid shared
|
|
type
|
|
TCloneFunc=function(args:pointer):longint;cdecl;
|
|
|
|
const
|
|
{ For getting/setting priority }
|
|
Prio_Process = 0;
|
|
Prio_PGrp = 1;
|
|
Prio_User = 2;
|
|
|
|
{$ifdef Solaris}
|
|
WNOHANG = $100;
|
|
WUNTRACED = $4;
|
|
{$ELSE}
|
|
WNOHANG = $1;
|
|
WUNTRACED = $2;
|
|
__WCLONE = $80000000;
|
|
{$ENDIF}
|
|
|
|
{********************
|
|
File
|
|
********************}
|
|
|
|
Const
|
|
P_IN = 1;
|
|
P_OUT = 2;
|
|
|
|
Const
|
|
LOCK_SH = 1;
|
|
LOCK_EX = 2;
|
|
LOCK_UN = 8;
|
|
LOCK_NB = 4;
|
|
|
|
|
|
Type
|
|
Tpipe = array[1..2] of longint;
|
|
|
|
pglob = ^tglob;
|
|
tglob = record
|
|
name : pchar;
|
|
next : pglob;
|
|
end;
|
|
|
|
ComStr = String[255];
|
|
PathStr = String[255];
|
|
DirStr = String[255];
|
|
NameStr = String[255];
|
|
ExtStr = String[255];
|
|
|
|
const
|
|
|
|
{ For testing access rights }
|
|
R_OK = 4;
|
|
W_OK = 2;
|
|
X_OK = 1;
|
|
F_OK = 0;
|
|
|
|
{$ifndef newreaddir}
|
|
{ For File control mechanism }
|
|
F_GetFd = 1;
|
|
F_SetFd = 2;
|
|
F_GetFl = 3;
|
|
F_SetFl = 4;
|
|
|
|
{$ifdef Solaris}
|
|
F_DupFd = 0;
|
|
F_Dup2Fd = 9;
|
|
F_GetOwn = 23;
|
|
F_SetOwn = 24;
|
|
F_GetLk = 14;
|
|
F_SetLk = 6;
|
|
F_SetLkW = 7;
|
|
F_FreeSp = 11;
|
|
{$else}
|
|
F_GetLk = 5;
|
|
F_SetLk = 6;
|
|
F_SetLkW = 7;
|
|
F_SetOwn = 8;
|
|
F_GetOwn = 9;
|
|
{$endif}
|
|
{$endif}
|
|
|
|
{********************
|
|
IOCtl(TermIOS)
|
|
********************}
|
|
|
|
{Is too freebsd/Linux specific}
|
|
|
|
{********************
|
|
IOCtl(TermIOS)
|
|
********************}
|
|
|
|
Const
|
|
{ Amount of Control Chars }
|
|
NCCS = 32;
|
|
NCC = 8;
|
|
|
|
{$Ifndef BSD}
|
|
{ For Terminal handling }
|
|
TCGETS = $5401;
|
|
TCSETS = $5402;
|
|
TCSETSW = $5403;
|
|
TCSETSF = $5404;
|
|
TCGETA = $5405;
|
|
TCSETA = $5406;
|
|
TCSETAW = $5407;
|
|
TCSETAF = $5408;
|
|
TCSBRK = $5409;
|
|
TCXONC = $540A;
|
|
TCFLSH = $540B;
|
|
TIOCEXCL = $540C;
|
|
TIOCNXCL = $540D;
|
|
TIOCSCTTY = $540E;
|
|
TIOCGPGRP = $540F;
|
|
TIOCSPGRP = $5410;
|
|
TIOCOUTQ = $5411;
|
|
TIOCSTI = $5412;
|
|
TIOCGWINSZ = $5413;
|
|
TIOCSWINSZ = $5414;
|
|
TIOCMGET = $5415;
|
|
TIOCMBIS = $5416;
|
|
TIOCMBIC = $5417;
|
|
TIOCMSET = $5418;
|
|
TIOCGSOFTCAR = $5419;
|
|
TIOCSSOFTCAR = $541A;
|
|
FIONREAD = $541B;
|
|
TIOCINQ = FIONREAD;
|
|
TIOCLINUX = $541C;
|
|
TIOCCONS = $541D;
|
|
TIOCGSERIAL = $541E;
|
|
TIOCSSERIAL = $541F;
|
|
TIOCPKT = $5420;
|
|
FIONBIO = $5421;
|
|
TIOCNOTTY = $5422;
|
|
TIOCSETD = $5423;
|
|
TIOCGETD = $5424;
|
|
TCSBRKP = $5425;
|
|
TIOCTTYGSTRUCT = $5426;
|
|
FIONCLEX = $5450;
|
|
FIOCLEX = $5451;
|
|
FIOASYNC = $5452;
|
|
TIOCSERCONFIG = $5453;
|
|
TIOCSERGWILD = $5454;
|
|
TIOCSERSWILD = $5455;
|
|
TIOCGLCKTRMIOS = $5456;
|
|
TIOCSLCKTRMIOS = $5457;
|
|
TIOCSERGSTRUCT = $5458;
|
|
TIOCSERGETLSR = $5459;
|
|
TIOCSERGETMULTI = $545A;
|
|
TIOCSERSETMULTI = $545B;
|
|
|
|
TIOCMIWAIT = $545C;
|
|
TIOCGICOUNT = $545D;
|
|
TIOCPKT_DATA = 0;
|
|
TIOCPKT_FLUSHREAD = 1;
|
|
TIOCPKT_FLUSHWRITE = 2;
|
|
TIOCPKT_STOP = 4;
|
|
TIOCPKT_START = 8;
|
|
TIOCPKT_NOSTOP = 16;
|
|
TIOCPKT_DOSTOP = 32;
|
|
{$else}
|
|
|
|
{$endif}
|
|
Type
|
|
winsize = packed record
|
|
ws_row,
|
|
ws_col,
|
|
ws_xpixel,
|
|
ws_ypixel : word;
|
|
end;
|
|
TWinSize=winsize;
|
|
|
|
Termio = packed record
|
|
c_iflag, { input mode flags }
|
|
c_oflag, { output mode flags }
|
|
c_cflag, { control mode flags }
|
|
c_lflag : Word; { local mode flags }
|
|
c_line : Word; { line discipline - careful, only High byte in use}
|
|
c_cc : array [0..NCC-1] of char;{ control characters }
|
|
end;
|
|
TTermio=Termio;
|
|
|
|
{$PACKRECORDS C}
|
|
Termios = record
|
|
c_iflag,
|
|
c_oflag,
|
|
c_cflag,
|
|
c_lflag : Cardinal;
|
|
c_line : char;
|
|
c_cc : array[0..NCCS-1] of byte;
|
|
c_ispeed,
|
|
c_ospeed : longint;
|
|
end;
|
|
TTermios=Termios;
|
|
{$PACKRECORDS Default}
|
|
|
|
|
|
{const
|
|
InitCC:array[0..NCCS-1] of byte=(3,34,177,25,4,0,1,0,21,23,32,0,22,17,27,26,0,0,0);}
|
|
|
|
const
|
|
{c_cc characters}
|
|
VINTR = 0;
|
|
VQUIT = 1;
|
|
VERASE = 2;
|
|
VKILL = 3;
|
|
VEOF = 4;
|
|
VTIME = 5;
|
|
VMIN = 6;
|
|
VSWTC = 7;
|
|
VSTART = 8;
|
|
VSTOP = 9;
|
|
VSUSP = 10;
|
|
VEOL = 11;
|
|
VREPRINT = 12;
|
|
VDISCARD = 13;
|
|
VWERASE = 14;
|
|
VLNEXT = 15;
|
|
VEOL2 = 16;
|
|
|
|
{c_iflag bits}
|
|
IGNBRK = $0000001;
|
|
BRKINT = $0000002;
|
|
IGNPAR = $0000004;
|
|
PARMRK = $0000008;
|
|
INPCK = $0000010;
|
|
ISTRIP = $0000020;
|
|
INLCR = $0000040;
|
|
IGNCR = $0000080;
|
|
ICRNL = $0000100;
|
|
IUCLC = $0000200;
|
|
IXON = $0000400;
|
|
IXANY = $0000800;
|
|
IXOFF = $0001000;
|
|
IMAXBEL = $0002000;
|
|
|
|
{c_oflag bits}
|
|
OPOST = $0000001;
|
|
OLCUC = $0000002;
|
|
ONLCR = $0000004;
|
|
OCRNL = $0000008;
|
|
ONOCR = $0000010;
|
|
ONLRET = $0000020;
|
|
OFILL = $0000040;
|
|
OFDEL = $0000080;
|
|
NLDLY = $0000100;
|
|
NL0 = $0000000;
|
|
NL1 = $0000100;
|
|
CRDLY = $0000600;
|
|
CR0 = $0000000;
|
|
CR1 = $0000200;
|
|
CR2 = $0000400;
|
|
CR3 = $0000600;
|
|
TABDLY = $0001800;
|
|
TAB0 = $0000000;
|
|
TAB1 = $0000800;
|
|
TAB2 = $0001000;
|
|
TAB3 = $0001800;
|
|
XTABS = $0001800;
|
|
BSDLY = $0002000;
|
|
BS0 = $0000000;
|
|
BS1 = $0002000;
|
|
VTDLY = $0004000;
|
|
VT0 = $0000000;
|
|
VT1 = $0004000;
|
|
FFDLY = $0008000;
|
|
FF0 = $0000000;
|
|
FF1 = $0008000;
|
|
|
|
{c_cflag bits}
|
|
CBAUD = $000100F;
|
|
B0 = $0000000;
|
|
B50 = $0000001;
|
|
B75 = $0000002;
|
|
B110 = $0000003;
|
|
B134 = $0000004;
|
|
B150 = $0000005;
|
|
B200 = $0000006;
|
|
B300 = $0000007;
|
|
B600 = $0000008;
|
|
B1200 = $0000009;
|
|
B1800 = $000000A;
|
|
B2400 = $000000B;
|
|
B4800 = $000000C;
|
|
B9600 = $000000D;
|
|
B19200 = $000000E;
|
|
B38400 = $000000F;
|
|
EXTA = B19200;
|
|
EXTB = B38400;
|
|
CSIZE = $0000030;
|
|
CS5 = $0000000;
|
|
CS6 = $0000010;
|
|
CS7 = $0000020;
|
|
CS8 = $0000030;
|
|
CSTOPB = $0000040;
|
|
CREAD = $0000080;
|
|
PARENB = $0000100;
|
|
PARODD = $0000200;
|
|
HUPCL = $0000400;
|
|
CLOCAL = $0000800;
|
|
CBAUDEX = $0001000;
|
|
B57600 = $0001001;
|
|
B115200 = $0001002;
|
|
B230400 = $0001003;
|
|
B460800 = $0001004;
|
|
CIBAUD = $100F0000;
|
|
CMSPAR = $40000000;
|
|
CRTSCTS = $80000000;
|
|
|
|
{c_lflag bits}
|
|
ISIG = $0000001;
|
|
ICANON = $0000002;
|
|
XCASE = $0000004;
|
|
ECHO = $0000008;
|
|
ECHOE = $0000010;
|
|
ECHOK = $0000020;
|
|
ECHONL = $0000040;
|
|
NOFLSH = $0000080;
|
|
TOSTOP = $0000100;
|
|
ECHOCTL = $0000200;
|
|
ECHOPRT = $0000400;
|
|
ECHOKE = $0000800;
|
|
FLUSHO = $0001000;
|
|
PENDIN = $0004000;
|
|
IEXTEN = $0008000;
|
|
|
|
{c_line bits}
|
|
TIOCM_LE = $001;
|
|
TIOCM_DTR = $002;
|
|
TIOCM_RTS = $004;
|
|
TIOCM_ST = $008;
|
|
TIOCM_SR = $010;
|
|
TIOCM_CTS = $020;
|
|
TIOCM_CAR = $040;
|
|
TIOCM_RNG = $080;
|
|
TIOCM_DSR = $100;
|
|
TIOCM_CD = TIOCM_CAR;
|
|
TIOCM_RI = TIOCM_RNG;
|
|
TIOCM_OUT1 = $2000;
|
|
TIOCM_OUT2 = $4000;
|
|
|
|
{TCSetAttr}
|
|
TCSANOW = 0;
|
|
TCSADRAIN = 1;
|
|
TCSAFLUSH = 2;
|
|
|
|
{TCFlow}
|
|
TCOOFF = 0;
|
|
TCOON = 1;
|
|
TCIOFF = 2;
|
|
TCION = 3;
|
|
|
|
{TCFlush}
|
|
TCIFLUSH = 0;
|
|
TCOFLUSH = 1;
|
|
TCIOFLUSH = 2;
|
|
|
|
|
|
|
|
{********************
|
|
Info
|
|
********************}
|
|
|
|
Type
|
|
|
|
UTimBuf = packed record{in BSD array[0..1] of timeval, but this is
|
|
backwards compatible with linux version}
|
|
actime,
|
|
modtime
|
|
: longint;
|
|
end;
|
|
UTimeBuf=UTimBuf;
|
|
TUTimeBuf=UTimeBuf;
|
|
PUTimeBuf=^UTimeBuf;
|
|
|
|
TSysinfo = packed record
|
|
uptime : longint;
|
|
loads : array[1..3] of longint;
|
|
totalram,
|
|
freeram,
|
|
sharedram,
|
|
bufferram,
|
|
totalswap,
|
|
freeswap : longint;
|
|
procs : integer;
|
|
s : string[18];
|
|
end;
|
|
PSysInfo = ^TSysInfo;
|
|
|
|
{******************************************************************************
|
|
Procedure/Functions
|
|
******************************************************************************}
|
|
|
|
Function SysCall(callnr:longint;var regs:SysCallregs):longint;
|
|
|
|
{**************************
|
|
Time/Date Handling
|
|
***************************}
|
|
|
|
var
|
|
tzdaylight : boolean;
|
|
tzseconds : longint;
|
|
tzname : array[boolean] of pchar;
|
|
|
|
{ timezone support }
|
|
procedure GetLocalTimezone(timer:longint;var leap_correct,leap_hit:longint);
|
|
procedure GetLocalTimezone(timer:longint);
|
|
procedure ReadTimezoneFile(fn:string);
|
|
function GetTimezoneFile:string;
|
|
|
|
Procedure GetTimeOfDay(var tv:timeval);
|
|
Function GetTimeOfDay:longint;
|
|
Function GetEpochTime: longint;
|
|
Procedure EpochToLocal(epoch:longint;var year,month,day,hour,minute,second:Word);
|
|
Function LocalToEpoch(year,month,day,hour,minute,second:Word):Longint;
|
|
procedure GetTime(var hour,min,sec,msec,usec:word);
|
|
procedure GetTime(var hour,min,sec,sec100:word);
|
|
procedure GetTime(var hour,min,sec:word);
|
|
Procedure GetDate(Var Year,Month,Day:Word);
|
|
Procedure GetDateTime(Var Year,Month,Day,hour,minute,second:Word);
|
|
function SetTime(Hour,Min,Sec:word) : Boolean;
|
|
function SetDate(Year,Month,Day:Word) : Boolean;
|
|
function SetDateTime(Year,Month,Day,hour,minute,second:Word) : Boolean;
|
|
|
|
{**************************
|
|
Process Handling
|
|
***************************}
|
|
|
|
function CreateShellArgV(const prog:string):ppchar;
|
|
function CreateShellArgV(const prog:Ansistring):ppchar;
|
|
Procedure Execve(Path: pathstr;args:ppchar;ep:ppchar);
|
|
Procedure Execve(Path: AnsiString;args:ppchar;ep:ppchar);
|
|
Procedure Execve(path: pchar;args:ppchar;ep:ppchar);
|
|
Procedure Execv(const path:pathstr;args:ppchar);
|
|
Procedure Execv(const path: AnsiString;args:ppchar);
|
|
Procedure Execvp(Path: Pathstr;Args:ppchar;Ep:ppchar);
|
|
Procedure Execvp(Path: AnsiString; Args:ppchar;Ep:ppchar);
|
|
Procedure Execl(const Todo: String);
|
|
Procedure Execl(const Todo: Ansistring);
|
|
Procedure Execle(Todo: String;Ep:ppchar);
|
|
Procedure Execle(Todo: AnsiString;Ep:ppchar);
|
|
Procedure Execlp(Todo: string;Ep:ppchar);
|
|
Procedure Execlp(Todo: Ansistring;Ep:ppchar);
|
|
Function Shell(const Command:String):Longint;
|
|
Function Shell(const Command:AnsiString):Longint;
|
|
Function Fork:longint;
|
|
{Clone for FreeBSD is copied from the LinuxThread port, and rfork based}
|
|
function Clone(func:TCloneFunc;sp:pointer;flags:longint;args:pointer):longint;
|
|
Procedure ExitProcess(val:longint);
|
|
Function WaitPid(Pid:longint;Status:pointer;Options:Longint):Longint; {=>PID (Status Valid), 0 (No Status), -1: Error, special case errno=EINTR }
|
|
Function WaitProcess(Pid:longint):Longint; { like WaitPid(PID,@result,0) Handling of Signal interrupts (errno=EINTR), returning the Exitcode of Process (>=0) or -Status if terminated}
|
|
Procedure Nice(N:integer);
|
|
Function GetPriority(Which,Who:Integer):integer;
|
|
Procedure SetPriority(Which:Integer;Who:Integer;What:Integer);
|
|
function WEXITSTATUS(Status: Integer): Integer;
|
|
function WTERMSIG(Status: Integer): Integer;
|
|
function WSTOPSIG(Status: Integer): Integer;
|
|
Function WIFEXITED(Status: Integer): Boolean;
|
|
Function WIFSTOPPED(Status: Integer): Boolean;
|
|
Function WIFSIGNALED(Status: Integer): Boolean;
|
|
Function W_EXITCODE(ReturnCode, Signal: Integer): Integer;
|
|
Function W_STOPCODE(Signal: Integer): Integer;
|
|
|
|
Function GetPid:LongInt;
|
|
Function GetPPid:LongInt;
|
|
Function GetUid:Longint;
|
|
Function GetEUid:Longint;
|
|
Function GetGid:Longint;
|
|
Function GetEGid:Longint;
|
|
|
|
{**************************
|
|
File Handling
|
|
***************************}
|
|
|
|
Function fdOpen(pathname:string;flags:longint):longint;
|
|
Function fdOpen(pathname:string;flags,mode:longint):longint;
|
|
Function fdOpen(pathname:pchar;flags:longint):longint;
|
|
Function fdOpen(pathname:pchar;flags,mode:longint):longint;
|
|
Function fdClose(fd:longint):boolean;
|
|
Function fdRead(fd:longint;var buf;size:longint):longint;
|
|
Function fdWrite(fd:longint;const buf;size:longint):longint;
|
|
Function fdTruncate(fd,size:longint):boolean;
|
|
Function fdSeek (fd,pos,seektype :longint): longint;
|
|
Function fdFlush (fd : Longint) : Boolean;
|
|
Function Link(OldPath,NewPath:pathstr):boolean;
|
|
Function SymLink(OldPath,NewPath:pathstr):boolean;
|
|
Function ReadLink(name,linkname:pchar;maxlen:longint):longint;
|
|
Function ReadLink(name:pathstr):pathstr;
|
|
Function UnLink(Path:pathstr):boolean;
|
|
Function UnLink(Path:pchar):Boolean;
|
|
Function FReName (OldName,NewName : Pchar) : Boolean;
|
|
Function FReName (OldName,NewName : String) : Boolean;
|
|
Function Chown(path:pathstr;NewUid,NewGid:longint):boolean;
|
|
Function Chmod(path:pathstr;Newmode:longint):boolean;
|
|
Function Utime(const path:pathstr;utim:utimebuf):boolean;
|
|
Function Access(Path:Pathstr ;mode:integer):boolean;
|
|
Function Umask(Mask:Integer):integer;
|
|
Function Flock (fd,mode : longint) : boolean;
|
|
Function Flock (var T : text;mode : longint) : boolean;
|
|
Function Flock (var F : File;mode : longint) : boolean;
|
|
Function FStat(Path:Pathstr;Var Info:stat):Boolean;
|
|
Function FStat(Fd:longint;Var Info:stat):Boolean;
|
|
Function FStat(var F:Text;Var Info:stat):Boolean;
|
|
Function FStat(var F:File;Var Info:stat):Boolean;
|
|
Function Lstat(Filename: PathStr;var Info:stat):Boolean;
|
|
Function FSStat(Path:Pathstr;Var Info:statfs):Boolean;
|
|
Function FSStat(Fd: Longint;Var Info:statfs):Boolean;
|
|
Function Fcntl(Fd:longint;Cmd:longint):longint;
|
|
Procedure Fcntl(Fd:longint;Cmd:longint;Arg:Longint);
|
|
Function Fcntl(var Fd:Text;Cmd:longint):longint;
|
|
Procedure Fcntl(var Fd:Text;Cmd:longint;Arg:Longint);
|
|
Function Dup(oldfile:longint;var newfile:longint):Boolean;
|
|
Function Dup(var oldfile,newfile:text):Boolean;
|
|
Function Dup(var oldfile,newfile:file):Boolean;
|
|
Function Dup2(oldfile,newfile:longint):Boolean;
|
|
Function Dup2(var oldfile,newfile:text):Boolean;
|
|
Function Dup2(var oldfile,newfile:file):Boolean;
|
|
Function Select(N:longint;readfds,writefds,exceptfds:PFDSet;TimeOut:PTimeVal):longint;
|
|
Function Select(N:longint;readfds,writefds,exceptfds:PFDSet;TimeOut:Longint):longint;
|
|
Function SelectText(var T:Text;TimeOut :PTimeVal):Longint;
|
|
Function SelectText(var T:Text;TimeOut :Longint):Longint;
|
|
|
|
{**************************
|
|
Directory Handling
|
|
***************************}
|
|
|
|
{$ifndef newreaddir} {only for FreeBSD, temporary solution}
|
|
|
|
Function OpenDir(f:pchar):pdir;
|
|
Function OpenDir(f: String):pdir;
|
|
function CloseDir(p:pdir):integer;
|
|
Function ReadDir(p:pdir):pdirent;
|
|
procedure SeekDir(p:pdir;off:longint);
|
|
function TellDir(p:pdir):longint;
|
|
{$else}
|
|
Function OpenDir(name:pchar):pdir;
|
|
Function OpenDir(f: String):pdir;
|
|
function CloseDir(dirp:pdir):integer;
|
|
Function ReadDir(p:pdir):pdirent;
|
|
procedure SeekDir(dirp:pdir;loc:longint);
|
|
function TellDir(dirp:pdir):longint;
|
|
|
|
{$endif}
|
|
|
|
{**************************
|
|
Pipe/Fifo/Stream
|
|
***************************}
|
|
|
|
Function AssignPipe(var pipe_in,pipe_out:longint):boolean;
|
|
Function AssignPipe(var pipe_in,pipe_out:text):boolean;
|
|
Function AssignPipe(var pipe_in,pipe_out:file):boolean;
|
|
Function PClose(Var F:text) : longint;
|
|
Function PClose(Var F:file) : longint;
|
|
Procedure POpen(var F:text;const Prog:String;rw:char);
|
|
Procedure POpen(var F:file;const Prog:String;rw:char);
|
|
|
|
Function mkFifo(pathname:string;mode:longint):boolean;
|
|
|
|
function AssignStream(Var StreamIn,Streamout:text;Const Prog:String) : longint;
|
|
function AssignStream(var StreamIn, StreamOut, StreamErr: Text; const prog: String): LongInt;
|
|
|
|
{**************************
|
|
General information
|
|
***************************}
|
|
|
|
Function GetEnv(P:string):Pchar;
|
|
|
|
Function GetDomainName:String;
|
|
Function GetHostName:String;
|
|
Function Sysinfo(var Info:TSysinfo):Boolean;
|
|
Function Uname(var unamerec:utsname):Boolean;
|
|
{**************************
|
|
Signal
|
|
***************************}
|
|
|
|
Procedure SigAction(Signum:longint;Act,OldAct:PSigActionRec );
|
|
Procedure SigProcMask (How:longint;SSet,OldSSet:PSigSet);
|
|
Function SigPending:SigSet;
|
|
Procedure SigSuspend(Mask:Sigset);
|
|
Function Signal(Signum:longint;Handler:SignalHandler):SignalHandler;
|
|
Function Kill(Pid:longint;Sig:longint):integer;
|
|
Procedure SigRaise(Sig:integer);
|
|
Function Alarm(Sec : Longint) : longint;
|
|
|
|
Procedure Pause;
|
|
Function NanoSleep(const req : timespec;var rem : timespec) : longint;
|
|
|
|
{**************************
|
|
IOCtl/Termios Functions
|
|
***************************}
|
|
|
|
Function IOCtl(Handle,Ndx: Longint;Data: Pointer):boolean;
|
|
Function TCGetAttr(fd:longint;var tios:TermIOS):boolean;
|
|
Function TCSetAttr(fd:longint;OptAct:longint;const tios:TermIOS):boolean;
|
|
Procedure CFSetISpeed(var tios:TermIOS;speed:Cardinal);
|
|
Procedure CFSetOSpeed(var tios:TermIOS;speed:Cardinal);
|
|
Procedure CFMakeRaw(var tios:TermIOS);
|
|
Function TCSendBreak(fd,duration:longint):boolean;
|
|
Function TCSetPGrp(fd,id:longint):boolean;
|
|
Function TCGetPGrp(fd:longint;var id:longint):boolean;
|
|
Function TCFlush(fd,qsel:longint):boolean;
|
|
Function TCDrain(fd:longint):boolean;
|
|
Function TCFlow(fd,act:longint):boolean;
|
|
Function IsATTY(Handle:Longint):Boolean;
|
|
Function IsATTY(var f:text):Boolean;
|
|
function TTYname(Handle:Longint):string;
|
|
function TTYname(var F:Text):string;
|
|
|
|
{**************************
|
|
Memory functions
|
|
***************************}
|
|
|
|
const
|
|
PROT_READ = $1; { page can be read }
|
|
PROT_WRITE = $2; { page can be written }
|
|
PROT_EXEC = $4; { page can be executed }
|
|
PROT_NONE = $0; { page can not be accessed }
|
|
|
|
MAP_SHARED = $1; { Share changes }
|
|
// MAP_PRIVATE = $2; { Changes are private }
|
|
MAP_TYPE = $f; { Mask for type of mapping }
|
|
MAP_FIXED = $10; { Interpret addr exactly }
|
|
// MAP_ANONYMOUS = $20; { don't use a file }
|
|
|
|
MAP_GROWSDOWN = $100; { stack-like segment }
|
|
MAP_DENYWRITE = $800; { ETXTBSY }
|
|
MAP_EXECUTABLE = $1000; { mark it as an executable }
|
|
MAP_LOCKED = $2000; { pages are locked }
|
|
MAP_NORESERVE = $4000; { don't check for reservations }
|
|
|
|
type
|
|
tmmapargs=record
|
|
address : longint;
|
|
size : longint;
|
|
prot : longint;
|
|
flags : longint;
|
|
fd : longint;
|
|
offset : longint;
|
|
end;
|
|
|
|
function MMap(const m:tmmapargs):longint;
|
|
function MUnMap (P : Pointer; Size : Longint) : Boolean;
|
|
|
|
{**************************
|
|
Port IO functions
|
|
***************************}
|
|
|
|
Function IOperm (From,Num : Cardinal; Value : Longint) : boolean;
|
|
Function IoPL(Level : longint) : Boolean;
|
|
{$ifdef cpui386}
|
|
Procedure WritePort (Port : Longint; Value : Byte);oldfpccall;
|
|
Procedure WritePort (Port : Longint; Value : Word);oldfpccall;
|
|
Procedure WritePort (Port : Longint; Value : Longint);oldfpccall;
|
|
Procedure WritePortB (Port : Longint; Value : Byte);oldfpccall;
|
|
Procedure WritePortW (Port : Longint; Value : Word);oldfpccall;
|
|
Procedure WritePortL (Port : Longint; Value : Longint);oldfpccall;
|
|
Procedure WritePortL (Port : Longint; Var Buf; Count: longint);oldfpccall;
|
|
Procedure WritePortW (Port : Longint; Var Buf; Count: longint);oldfpccall;
|
|
Procedure WritePortB (Port : Longint; Var Buf; Count: longint);oldfpccall;
|
|
Procedure ReadPort (Port : Longint; Var Value : Byte);oldfpccall;
|
|
Procedure ReadPort (Port : Longint; Var Value : Word);oldfpccall;
|
|
Procedure ReadPort (Port : Longint; Var Value : Longint);oldfpccall;
|
|
function ReadPortB (Port : Longint): Byte;oldfpccall;
|
|
function ReadPortW (Port : Longint): Word;oldfpccall;
|
|
function ReadPortL (Port : Longint): LongInt;oldfpccall;
|
|
Procedure ReadPortL (Port : Longint; Var Buf; Count: longint);oldfpccall;
|
|
Procedure ReadPortW (Port : Longint; Var Buf; Count: longint);oldfpccall;
|
|
Procedure ReadPortB (Port : Longint; Var Buf; Count: longint);oldfpccall;
|
|
{$endif}
|
|
|
|
{**************************
|
|
Utility functions
|
|
***************************}
|
|
|
|
Function Octal(l:longint):longint;
|
|
Function FExpand(Const Path: PathStr):PathStr;
|
|
Function FSearch(const path:pathstr;dirlist:string):pathstr;
|
|
Procedure FSplit(const Path:PathStr;Var Dir:DirStr;Var Name:NameStr;Var Ext:ExtStr);
|
|
Function Dirname(Const path:pathstr):pathstr;
|
|
Function Basename(Const path:pathstr;Const suf:pathstr):pathstr;
|
|
Function FNMatch(const Pattern,Name:string):Boolean;
|
|
Function Glob(Const path:pathstr):pglob;
|
|
Procedure Globfree(var p:pglob);
|
|
Function StringToPPChar(Var S:String):ppchar;
|
|
Function StringToPPChar(Var S:AnsiString):ppchar;
|
|
Function StringToPPChar(S : Pchar):ppchar;
|
|
Function GetFS(var T:Text):longint;
|
|
Function GetFS(Var F:File):longint;
|
|
{Filedescriptorsets}
|
|
Procedure FD_Zero(var fds:fdSet);
|
|
Procedure FD_Clr(fd:longint;var fds:fdSet);
|
|
Procedure FD_Set(fd:longint;var fds:fdSet);
|
|
Function FD_IsSet(fd:longint;var fds:fdSet):boolean;
|
|
{Stat.Mode Types}
|
|
Function S_ISLNK(m:word):boolean;
|
|
Function S_ISREG(m:word):boolean;
|
|
Function S_ISDIR(m:word):boolean;
|
|
|
|
Function S_ISCHR(m:word):boolean;
|
|
Function S_ISBLK(m:word):boolean;
|
|
Function S_ISFIFO(m:word):boolean;
|
|
Function S_ISSOCK(m:word):boolean;
|
|
|
|
|
|
{******************************************************************************
|
|
Implementation
|
|
******************************************************************************}
|
|
|
|
Implementation
|
|
|
|
Uses Strings;
|
|
|
|
{ Get the definitions of textrec and filerec }
|
|
{$i textrec.inc}
|
|
{$i filerec.inc}
|
|
|
|
{No debugging for syslinux include !}
|
|
{$IFDEF SYS_LINUX}
|
|
{$UNDEF SYSCALL_DEBUG}
|
|
{$ENDIF SYS_LINUX}
|
|
|
|
|
|
{*****************************************************************************
|
|
--- Main:The System Call Self ---
|
|
*****************************************************************************}
|
|
|
|
{$ifdef FPC_PROFILE}
|
|
{$define PROFILE_WAS_ACTIVE}
|
|
{$profile off}
|
|
{$else}
|
|
{$undef PROFILE_WAS_ACTIVE}
|
|
{$endif}
|
|
|
|
|
|
Procedure Do_SysCall( callnr:longint;var regs : SysCallregs );oldfpccall;assembler;
|
|
{
|
|
This function puts the registers in place, does the call, and then
|
|
copies back the registers as they are after the SysCall.
|
|
}
|
|
{$ifdef cpui386}
|
|
{$ASMMODE ATT}
|
|
asm
|
|
{ load the registers... }
|
|
movl 12(%ebp),%eax
|
|
movl 4(%eax),%ebx
|
|
movl 8(%eax),%ecx
|
|
movl 12(%eax),%edx
|
|
movl 16(%eax),%esi
|
|
movl 20(%eax),%edi
|
|
{ set the call number }
|
|
movl 8(%ebp),%eax
|
|
{ Go ! }
|
|
int $0x80
|
|
{ Put back the registers... }
|
|
pushl %eax
|
|
movl 12(%ebp),%eax
|
|
movl %edi,20(%eax)
|
|
movl %esi,16(%eax)
|
|
movl %edx,12(%eax)
|
|
movl %ecx,8(%eax)
|
|
movl %ebx,4(%eax)
|
|
popl %ebx
|
|
movl %ebx,(%eax)
|
|
end;
|
|
{$ASMMODE DEFAULT}
|
|
{$else}
|
|
{$ifdef cpum68k}
|
|
asm
|
|
{ load the registers... }
|
|
move.l 12(a6),a0
|
|
move.l 4(a0),d1
|
|
move.l 8(a0),d2
|
|
move.l 12(a0),d3
|
|
move.l 16(a0),d4
|
|
move.l 20(a0),d5
|
|
{ set the call number }
|
|
move.l 8(a6),d0
|
|
{ Go ! }
|
|
trap #0
|
|
{ Put back the registers... }
|
|
move.l d0,-(sp)
|
|
move.l 12(a6),a0
|
|
move.l d5,20(a0)
|
|
move.l d4,16(a0)
|
|
move.l d3,12(a0)
|
|
move.l d2,8(a0)
|
|
move.l d1,4(a0)
|
|
move.l (sp)+,d1
|
|
move.l d1,(a0)
|
|
end;
|
|
{$else}
|
|
{$error Cannot decide which processor you have ! define cpui386 or m68k }
|
|
{$endif}
|
|
{$endif}
|
|
|
|
{$IFDEF SYSCALL_DEBUG}
|
|
Const
|
|
DoSysCallDebug : Boolean = False;
|
|
|
|
var
|
|
LastCnt,
|
|
LastEax,
|
|
LastCall : longint;
|
|
DebugTxt : string[20];
|
|
{$ENDIF}
|
|
Function SysCall( callnr:longint;var regs : SysCallregs ):longint;
|
|
{
|
|
This function serves as an interface to do_SysCall.
|
|
If the SysCall returned a negative number, it returns -1, and puts the
|
|
SysCall result in errno. Otherwise, it returns the SysCall return value
|
|
}
|
|
begin
|
|
do_SysCall(callnr,regs);
|
|
if (regs.reg1<0) and (regs.reg1>=-Sys_ERROR_MAX) then
|
|
begin
|
|
{$IFDEF SYSCALL_DEBUG}
|
|
If DoSysCallDebug then
|
|
debugtxt:=' syscall error: ';
|
|
{$endif}
|
|
ErrNo:=-regs.reg1;
|
|
SysCall:=-1;
|
|
end
|
|
else
|
|
begin
|
|
{$IFDEF SYSCALL_DEBUG}
|
|
if DoSysCallDebug then
|
|
debugtxt:=' syscall returned: ';
|
|
{$endif}
|
|
SysCall:=regs.reg1;
|
|
errno:=0
|
|
end;
|
|
{$IFDEF SYSCALL_DEBUG}
|
|
if DoSysCallDebug then
|
|
begin
|
|
inc(lastcnt);
|
|
if (callnr<>lastcall) or (regs.reg1<>lasteax) then
|
|
begin
|
|
if lastcnt>1 then
|
|
writeln(sys_nr_txt[lastcall],debugtxt,lasteax,' (',lastcnt,'x)');
|
|
lastcall:=callnr;
|
|
lasteax:=regs.reg1;
|
|
lastcnt:=0;
|
|
writeln(sys_nr_txt[lastcall],debugtxt,lasteax);
|
|
end;
|
|
end;
|
|
{$endif}
|
|
end;
|
|
|
|
{$ifdef PROFILE_WAS_ACTIVE}
|
|
{$profile on}
|
|
{$undef PROFILE_WAS_ACTIVE}
|
|
{$endif}
|
|
|
|
|
|
Function Sys_Time:longint;
|
|
var
|
|
regs : SysCallregs;
|
|
begin
|
|
regs.reg2:=0;
|
|
Sys_Time:=SysCall(SysCall_nr_time,regs);
|
|
end;
|
|
|
|
|
|
{*****************************************************************************
|
|
--- File:File handling related calls ---
|
|
*****************************************************************************}
|
|
|
|
|
|
Function Sys_Open(f:pchar;flags:longint;mode:integer):longint;
|
|
var
|
|
regs : SysCallregs;
|
|
Begin
|
|
regs.reg2:=longint(f);
|
|
regs.reg3:=flags;
|
|
regs.reg4:=mode;
|
|
Sys_Open:=SysCall(SysCall_nr_open,regs);
|
|
End;
|
|
|
|
|
|
|
|
Function Sys_Close(f:longint):longint;
|
|
var
|
|
regs : SysCallregs;
|
|
begin
|
|
regs.reg2:=f;
|
|
Sys_Close:=SysCall(SysCall_nr_close,regs);
|
|
end;
|
|
|
|
|
|
|
|
Function Sys_Lseek(F:longint;Off:longint;Whence:longint):longint;
|
|
var
|
|
regs : SysCallregs;
|
|
begin
|
|
regs.reg2:=f;
|
|
regs.reg3:=off;
|
|
regs.reg4:=Whence;
|
|
Sys_lseek:=SysCall(SysCall_nr_lseek,regs);
|
|
end;
|
|
|
|
|
|
|
|
Function Sys_Read(f:longint;buffer:pchar;count:longint):longint;
|
|
var
|
|
regs : SysCallregs;
|
|
begin
|
|
regs.reg2:=f;
|
|
regs.reg3:=longint(buffer);
|
|
regs.reg4:=count;
|
|
Sys_Read:=SysCall(SysCall_nr_read,regs);
|
|
end;
|
|
|
|
|
|
|
|
Function Sys_Write(f:longint;buffer:pchar;count:longint):longint;
|
|
var
|
|
regs : SysCallregs;
|
|
begin
|
|
regs.reg2:=f;
|
|
regs.reg3:=longint(buffer);
|
|
regs.reg4:=count;
|
|
Sys_Write:=SysCall(SysCall_nr_write,regs);
|
|
end;
|
|
|
|
|
|
|
|
Function Sys_Unlink(Filename:pchar):longint;
|
|
var
|
|
regs : SysCallregs;
|
|
begin
|
|
regs.reg2:=longint(filename);
|
|
Sys_Unlink:=SysCall(SysCall_nr_unlink,regs);
|
|
end;
|
|
|
|
|
|
Function Sys_fstat(fd : longint;var Info:stat):Longint;
|
|
var
|
|
regs : SysCallregs;
|
|
begin
|
|
regs.reg2:=fd;
|
|
regs.reg3:=longint(@Info);
|
|
Sys_fStat:=SysCall(SysCall_nr_fstat,regs);
|
|
end;
|
|
|
|
|
|
Function Sys_Rename(Oldname,Newname:pchar):longint;
|
|
var
|
|
regs : SysCallregs;
|
|
begin
|
|
regs.reg2:=longint(oldname);
|
|
regs.reg3:=longint(newname);
|
|
Sys_Rename:=SysCall(SysCall_nr_rename,regs);
|
|
end;
|
|
|
|
|
|
|
|
Function Sys_Stat(Filename:pchar;var Buffer: stat):longint;
|
|
{
|
|
We need this for getcwd
|
|
}
|
|
var
|
|
regs : SysCallregs;
|
|
begin
|
|
regs.reg2:=longint(filename);
|
|
regs.reg3:=longint(@buffer);
|
|
Sys_Stat:=SysCall(SysCall_nr_stat,regs);
|
|
end;
|
|
|
|
|
|
Function Sys_Symlink(oldname,newname:pchar):longint;
|
|
{
|
|
We need this for erase
|
|
}
|
|
var
|
|
regs : SysCallregs;
|
|
begin
|
|
regs.reg2:=longint(oldname);
|
|
regs.reg3:=longint(newname);
|
|
Sys_symlink:=SysCall(SysCall_nr_symlink,regs);
|
|
end;
|
|
|
|
|
|
Function Sys_ReadLink(name,linkname:pchar;maxlen:longint):longint;
|
|
var
|
|
regs : SysCallRegs;
|
|
begin
|
|
regs.reg2:=longint(name);
|
|
regs.reg3:=longint(linkname);
|
|
regs.reg4:=maxlen;
|
|
Sys_ReadLink:=SysCall(Syscall_nr_readlink,regs);
|
|
end;
|
|
|
|
|
|
{*****************************************************************************
|
|
--- Directory:Directory related calls ---
|
|
*****************************************************************************}
|
|
|
|
|
|
Function Sys_Chdir(Filename:pchar):longint;
|
|
var
|
|
regs : SysCallregs;
|
|
|
|
begin
|
|
regs.reg2:=longint(filename);
|
|
Sys_ChDir:=SysCall(SysCall_nr_chdir,regs);
|
|
end;
|
|
|
|
|
|
|
|
Function Sys_Mkdir(Filename:pchar;mode:longint):longint;
|
|
var
|
|
regs : SysCallregs;
|
|
begin
|
|
regs.reg2:=longint(filename);
|
|
regs.reg3:=mode;
|
|
Sys_MkDir:=SysCall(SysCall_nr_mkdir,regs);
|
|
end;
|
|
|
|
|
|
|
|
Function Sys_Rmdir(Filename:pchar):longint;
|
|
var
|
|
regs : SysCallregs;
|
|
begin
|
|
regs.reg2:=longint(filename);
|
|
Sys_Rmdir:=SysCall(SysCall_nr_rmdir,regs);
|
|
end;
|
|
|
|
|
|
|
|
{ we need this for getcwd }
|
|
Function OpenDir(f:pchar):pdir;
|
|
var
|
|
fd:integer;
|
|
st:stat;
|
|
ptr:pdir;
|
|
begin
|
|
opendir:=nil;
|
|
if sys_stat(f,st)<0 then
|
|
exit;
|
|
{ Is it a dir ? }
|
|
if not((st.mode and $f000)=$4000)then
|
|
begin
|
|
errno:=sys_enotdir;
|
|
exit
|
|
end;
|
|
{ Open it}
|
|
fd:=sys_open(f,OPEN_RDONLY,438);
|
|
if fd<0 then
|
|
exit;
|
|
new(ptr);
|
|
if ptr=nil then
|
|
exit;
|
|
new(ptr^.buf);
|
|
if ptr^.buf=nil then
|
|
exit;
|
|
ptr^.fd:=fd;
|
|
ptr^.loc:=0;
|
|
ptr^.size:=0;
|
|
ptr^.dd_max:=sizeof(ptr^.buf^);
|
|
opendir:=ptr;
|
|
end;
|
|
|
|
|
|
|
|
function CloseDir(p:pdir):integer;
|
|
begin
|
|
closedir:=sys_close(p^.fd);
|
|
dispose(p^.buf);
|
|
dispose(p);
|
|
end;
|
|
|
|
|
|
|
|
Function Sys_ReadDir(p:pdir):pdirent;
|
|
var
|
|
regs :SysCallregs;
|
|
dummy:longint;
|
|
begin
|
|
regs.reg3:=longint(p^.buf);
|
|
regs.reg2:=p^.fd;
|
|
regs.reg4:=1;
|
|
dummy:=SysCall(SysCall_nr_readdir,regs);
|
|
{ the readdir system call returns the number of bytes written }
|
|
if dummy=0 then
|
|
sys_readdir:=nil
|
|
else
|
|
sys_readdir:=p^.buf
|
|
end;
|
|
|
|
|
|
{*****************************************************************************
|
|
--- Process:Process & program handling - related calls ---
|
|
*****************************************************************************}
|
|
|
|
Function Sys_GetPid:LongInt;
|
|
var
|
|
regs : SysCallregs;
|
|
begin
|
|
Sys_GetPid:=SysCall(SysCall_nr_getpid,regs);
|
|
end;
|
|
|
|
|
|
Procedure Sys_Exit(ExitCode:Integer);
|
|
var
|
|
regs : SysCallregs;
|
|
begin
|
|
regs.reg2:=exitcode;
|
|
SysCall(SysCall_nr_exit,regs)
|
|
end;
|
|
|
|
Procedure SigAction(Signum:longint;Act,OldAct:PSigActionRec );
|
|
{
|
|
Change action of process upon receipt of a signal.
|
|
Signum specifies the signal (all except SigKill and SigStop).
|
|
If Act is non-nil, it is used to specify the new action.
|
|
If OldAct is non-nil the previous action is saved there.
|
|
}
|
|
Var
|
|
sr : Syscallregs;
|
|
begin
|
|
sr.reg2:=Signum;
|
|
sr.reg3:=Longint(act);
|
|
sr.reg4:=Longint(oldact);
|
|
SysCall(Syscall_nr_sigaction,sr);
|
|
end;
|
|
|
|
function Sys_FTruncate(Handle,Pos:longint):longint; //moved from sysunix.inc Do_Truncate
|
|
var
|
|
sr : syscallregs;
|
|
begin
|
|
sr.reg2:=Handle;
|
|
sr.reg3:=Pos;
|
|
Sys_FTruncate:=syscall(syscall_nr_ftruncate,sr);
|
|
end;
|
|
|
|
Function Sys_mmap(adr,len,prot,flags,fdes,off:longint):longint; // moved from sysunix.inc, used in sbrk
|
|
type
|
|
tmmapargs=packed record
|
|
address : longint;
|
|
size : longint;
|
|
prot : longint;
|
|
flags : longint;
|
|
fd : longint;
|
|
offset : longint;
|
|
end;
|
|
var
|
|
t : syscallregs;
|
|
mmapargs : tmmapargs;
|
|
begin
|
|
mmapargs.address:=adr;
|
|
mmapargs.size:=len;
|
|
mmapargs.prot:=prot;
|
|
mmapargs.flags:=flags;
|
|
mmapargs.fd:=fdes;
|
|
mmapargs.offset:=off;
|
|
t.reg2:=longint(@mmapargs);
|
|
do_syscall(syscall_nr_mmap,t);
|
|
Sys_mmap:=t.reg1;
|
|
if t.reg1=-1 then
|
|
errno:=-1;
|
|
end;
|
|
|
|
{
|
|
Interface to Unix ioctl call.
|
|
Performs various operations on the filedescriptor Handle.
|
|
Ndx describes the operation to perform.
|
|
Data points to data needed for the Ndx function. The structure of this
|
|
data is function-dependent.
|
|
}
|
|
Function Sys_IOCtl(Handle,Ndx: Longint;Data: Pointer):LongInt; // This was missing here, instead hardcode in Do_IsDevice
|
|
var
|
|
sr: SysCallRegs;
|
|
begin
|
|
sr.reg2:=Handle;
|
|
sr.reg3:=Ndx;
|
|
sr.reg4:=Longint(Data);
|
|
Sys_IOCtl:=SysCall(Syscall_nr_ioctl,sr);
|
|
end;
|
|
|
|
|
|
Function Sys_SigAltStack(ss, oss :psigaltstack):longint;
|
|
var
|
|
regs : SysCallregs;
|
|
begin
|
|
regs.reg2:=longint(ss);
|
|
regs.reg3:=longint(oss);
|
|
sys_sigaltstack:=SysCall(syscall_nr_sigaltstack,regs);
|
|
end;
|
|
|
|
Function Fork:longint;
|
|
{
|
|
This function issues the 'fork' System call. the program is duplicated in memory
|
|
and Execution continues in parent and child process.
|
|
In the parent process, fork returns the PID of the child. In the child process,
|
|
zero is returned.
|
|
A negative value indicates that an error has occurred, the error is returned in
|
|
LinuxError.
|
|
}
|
|
var
|
|
regs:SysCallregs;
|
|
begin
|
|
Fork:=SysCall(SysCall_nr_fork,regs);
|
|
LinuxError:=Errno;
|
|
End;
|
|
|
|
|
|
function clone(func:TCloneFunc;sp:pointer;flags:longint;args:pointer):longint;
|
|
begin
|
|
if (pointer(func)=nil) or (sp=nil) then
|
|
begin
|
|
LinuxError:=Sys_EInval;
|
|
exit(-1); // give an error result
|
|
end;
|
|
{$ifdef cpui386}
|
|
{$ASMMODE ATT}
|
|
asm
|
|
{ Insert the argument onto the new stack. }
|
|
movl sp,%ecx
|
|
subl $8,%ecx
|
|
movl args,%eax
|
|
movl %eax,4(%ecx)
|
|
|
|
{ Save the function pointer as the zeroth argument.
|
|
It will be popped off in the child in the ebx frobbing below. }
|
|
movl func,%eax
|
|
movl %eax,0(%ecx)
|
|
|
|
{ Do the system call }
|
|
pushl %ebx
|
|
movl flags,%ebx
|
|
movl SysCall_nr_clone,%eax
|
|
int $0x80
|
|
popl %ebx
|
|
test %eax,%eax
|
|
jnz .Lclone_end
|
|
|
|
{ We're in the new thread }
|
|
subl %ebp,%ebp { terminate the stack frame }
|
|
call *%ebx
|
|
{ exit process }
|
|
movl %eax,%ebx
|
|
movl $1,%eax
|
|
int $0x80
|
|
|
|
.Lclone_end:
|
|
movl %eax,__RESULT
|
|
end;
|
|
{$endif cpui386}
|
|
{$ifdef cpum68k}
|
|
{ No yet translated, my m68k assembler is too weak for such things PM }
|
|
(*
|
|
asm
|
|
{ Insert the argument onto the new stack. }
|
|
movl sp,%ecx
|
|
subl $8,%ecx
|
|
movl args,%eax
|
|
movl %eax,4(%ecx)
|
|
|
|
{ Save the function pointer as the zeroth argument.
|
|
It will be popped off in the child in the ebx frobbing below. }
|
|
movl func,%eax
|
|
movl %eax,0(%ecx)
|
|
|
|
{ Do the system call }
|
|
pushl %ebx
|
|
movl flags,%ebx
|
|
movl SysCall_nr_clone,%eax
|
|
int $0x80
|
|
popl %ebx
|
|
test %eax,%eax
|
|
jnz .Lclone_end
|
|
|
|
{ We're in the new thread }
|
|
subl %ebp,%ebp { terminate the stack frame }
|
|
call *%ebx
|
|
{ exit process }
|
|
movl %eax,%ebx
|
|
movl $1,%eax
|
|
int $0x80
|
|
|
|
.Lclone_end:
|
|
movl %eax,__RESULT
|
|
end;
|
|
*)
|
|
{$endif cpum68k}
|
|
end;
|
|
|
|
|
|
Procedure Execve(path:pathstr;args:ppchar;ep:ppchar);
|
|
{
|
|
Replaces the current program by the program specified in path,
|
|
arguments in args are passed to Execve.
|
|
environment specified in ep is passed on.
|
|
}
|
|
var
|
|
regs:SysCallregs;
|
|
begin
|
|
path:=path+#0;
|
|
regs.reg2:=longint(@path[1]);
|
|
regs.reg3:=longint(args);
|
|
regs.reg4:=longint(ep);
|
|
SysCall(SysCall_nr_Execve,regs);
|
|
{ This only gets set when the call fails, otherwise we don't get here ! }
|
|
Linuxerror:=errno;
|
|
end;
|
|
|
|
|
|
Procedure Execve(path:pchar;args:ppchar;ep:ppchar);
|
|
{
|
|
Replaces the current program by the program specified in path,
|
|
arguments in args are passed to Execve.
|
|
environment specified in ep is passed on.
|
|
}
|
|
var
|
|
regs:SysCallregs;
|
|
begin
|
|
regs.reg2:=longint(path);
|
|
regs.reg3:=longint(args);
|
|
regs.reg4:=longint(ep);
|
|
SysCall(SysCall_nr_Execve,regs);
|
|
{ This only gets set when the call fails, otherwise we don't get here ! }
|
|
Linuxerror:=errno;
|
|
end;
|
|
|
|
Procedure ExitProcess(val:longint);
|
|
var
|
|
regs : SysCallregs;
|
|
begin
|
|
regs.reg2:=val;
|
|
SysCall(SysCall_nr_exit,regs);
|
|
end;
|
|
|
|
|
|
Function WaitPid(Pid:longint;Status:pointer;Options:Longint):Longint;
|
|
{
|
|
Waits until a child with PID Pid exits, or returns if it is exited already.
|
|
Any resources used by the child are freed.
|
|
The exit status is reported in the adress referred to by Status. It should
|
|
be a longint.
|
|
}
|
|
var
|
|
regs : SysCallregs;
|
|
begin
|
|
regs.reg2:=pid;
|
|
regs.reg3:=longint(status);
|
|
regs.reg4:=options;
|
|
WaitPid:=SysCall(SysCall_nr_waitpid,regs);
|
|
LinuxError:=errno;
|
|
end;
|
|
|
|
|
|
Procedure GetTimeOfDay(var tv:timeval);
|
|
{
|
|
Get the number of seconds since 00:00, January 1 1970, GMT
|
|
the time NOT corrected any way
|
|
}
|
|
var
|
|
regs : SysCallregs;
|
|
begin
|
|
regs.reg2:=longint(@tv);
|
|
regs.reg3:=0;
|
|
SysCall(SysCall_nr_gettimeofday,regs);
|
|
LinuxError:=Errno;
|
|
end;
|
|
|
|
Function GetPriority(Which,Who:Integer):integer;
|
|
{
|
|
Get Priority of process, process group, or user.
|
|
Which : selects what kind of priority is used.
|
|
can be one of the following predefined Constants :
|
|
Prio_User.
|
|
Prio_PGrp.
|
|
Prio_Process.
|
|
Who : depending on which, this is , respectively :
|
|
Uid
|
|
Pid
|
|
Process Group id
|
|
Errors are reported in linuxerror _only_. (priority can be negative)
|
|
}
|
|
var
|
|
sr : Syscallregs;
|
|
begin
|
|
errno:=0;
|
|
if (which<prio_process) or (which>prio_user) then
|
|
begin
|
|
{ We can save an interrupt here }
|
|
getpriority:=0;
|
|
linuxerror:=Sys_einval;
|
|
end
|
|
else
|
|
begin
|
|
sr.reg2:=which;
|
|
sr.reg3:=who;
|
|
getpriority:=SysCall(Syscall_nr_getpriority,sr);
|
|
linuxerror:=errno;
|
|
end;
|
|
end;
|
|
|
|
|
|
|
|
Procedure SetPriority(Which:Integer;Who:Integer;What:Integer);
|
|
{
|
|
Set Priority of process, process group, or user.
|
|
Which : selects what kind of priority is used.
|
|
can be one of the following predefined Constants :
|
|
Prio_User.
|
|
Prio_PGrp.
|
|
Prio_Process.
|
|
Who : depending on value of which, this is, respectively :
|
|
Uid
|
|
Pid
|
|
Process Group id
|
|
what : A number between -20 and 20. -20 is most favorable, 20 least.
|
|
0 is the default.
|
|
}
|
|
var
|
|
sr : Syscallregs;
|
|
begin
|
|
errno:=0;
|
|
if ((which<prio_process) or (which>prio_user)) or ((what<-20) or (what>20)) then
|
|
linuxerror:=Sys_einval { We can save an interrupt here }
|
|
else
|
|
begin
|
|
sr.reg2:=which;
|
|
sr.reg3:=who;
|
|
sr.reg4:=what;
|
|
SysCall(Syscall_nr_setpriority,sr);
|
|
linuxerror:=errno;
|
|
end;
|
|
end;
|
|
|
|
|
|
Procedure Nice(N:integer);
|
|
{
|
|
Set process priority. A positive N means a lower priority.
|
|
A negative N decreases priority.
|
|
}
|
|
var
|
|
sr : Syscallregs;
|
|
begin
|
|
sr.reg2:=n;
|
|
SysCall(Syscall_nr_nice,sr);
|
|
linuxerror:=errno;
|
|
end;
|
|
|
|
|
|
|
|
Function GetPid:LongInt;
|
|
{
|
|
Get Process ID.
|
|
}
|
|
var
|
|
regs : SysCallregs;
|
|
begin
|
|
GetPid:=SysCall(SysCall_nr_getpid,regs);
|
|
linuxerror:=errno;
|
|
end;
|
|
|
|
|
|
|
|
Function GetPPid:LongInt;
|
|
{
|
|
Get Process ID of parent process.
|
|
}
|
|
var
|
|
regs : SysCallregs;
|
|
begin
|
|
GetPpid:=SysCall(SysCall_nr_getppid,regs);
|
|
linuxerror:=errno;
|
|
end;
|
|
|
|
|
|
|
|
Function GetUid:Longint;
|
|
{
|
|
Get User ID.
|
|
}
|
|
var
|
|
regs : SysCallregs;
|
|
begin
|
|
GetUid:=SysCall(SysCall_nr_getuid,regs);
|
|
Linuxerror:=errno;
|
|
end;
|
|
|
|
|
|
|
|
Function GetEUid:Longint;
|
|
{
|
|
Get _effective_ User ID.
|
|
}
|
|
var
|
|
regs : SysCallregs;
|
|
begin
|
|
GetEuid:=SysCall(SysCall_nr_geteuid,regs);
|
|
Linuxerror:=errno;
|
|
end;
|
|
|
|
|
|
|
|
Function GetGid:Longint;
|
|
{
|
|
Get Group ID.
|
|
}
|
|
var
|
|
regs : SysCallregs;
|
|
begin
|
|
Getgid:=SysCall(SysCall_nr_getgid,regs);
|
|
Linuxerror:=errno;
|
|
end;
|
|
|
|
|
|
|
|
Function GetEGid:Longint;
|
|
{
|
|
Get _effective_ Group ID.
|
|
}
|
|
var
|
|
regs : SysCallregs;
|
|
begin
|
|
GetEgid:=SysCall(SysCall_nr_getegid,regs);
|
|
Linuxerror:=errno;
|
|
end;
|
|
|
|
|
|
Function GetTimeOfDay: longint;
|
|
{
|
|
Get the number of seconds since 00:00, January 1 1970, GMT
|
|
the time NOT corrected any way
|
|
}
|
|
var
|
|
regs : SysCallregs;
|
|
tv : timeval;
|
|
begin
|
|
regs.reg2:=longint(@tv);
|
|
regs.reg3:=0;
|
|
SysCall(SysCall_nr_gettimeofday,regs);
|
|
LinuxError:=Errno;
|
|
GetTimeOfDay:=tv.sec;
|
|
end;
|
|
|
|
|
|
Function fdTruncate(fd,size:longint):boolean;
|
|
var
|
|
Regs : SysCallRegs;
|
|
begin
|
|
Regs.reg2:=fd;
|
|
Regs.reg3:=size;
|
|
fdTruncate:=(SysCall(Syscall_nr_ftruncate,regs)=0);
|
|
LinuxError:=Errno;
|
|
end;
|
|
|
|
|
|
|
|
Function fdFlush (fd : Longint) : Boolean;
|
|
var
|
|
SR: SysCallRegs;
|
|
begin
|
|
SR.reg2 := fd;
|
|
fdFlush := (SysCall(syscall_nr_fsync, SR)=0);
|
|
LinuxError:=Errno;
|
|
end;
|
|
|
|
|
|
|
|
Function Fcntl(Fd:longint;Cmd:longint): longint;
|
|
{
|
|
Read or manipulate a file.(See also fcntl (2) )
|
|
Possible values for Cmd are :
|
|
F_GetFd,F_GetFl,F_GetOwn
|
|
Errors are reported in Linuxerror;
|
|
If Cmd is different from the allowed values, linuxerror=Sys_eninval.
|
|
}
|
|
var
|
|
sr : Syscallregs;
|
|
begin
|
|
if (cmd in [F_GetFd,F_GetFl,F_GetOwn]) then
|
|
begin
|
|
sr.reg2:=Fd;
|
|
sr.reg3:=cmd;
|
|
Linuxerror:=SysCall(Syscall_nr_fcntl,sr);
|
|
if linuxerror=-1 then
|
|
begin
|
|
linuxerror:=errno;
|
|
fcntl:=0;
|
|
end
|
|
else
|
|
begin
|
|
fcntl:=linuxerror;
|
|
linuxerror:=0;
|
|
end;
|
|
end
|
|
else
|
|
begin
|
|
linuxerror:=Sys_einval;
|
|
Fcntl:=0;
|
|
end;
|
|
end;
|
|
|
|
|
|
|
|
Procedure Fcntl(Fd:longint;Cmd:LongInt;Arg:Longint);
|
|
{
|
|
Read or manipulate a file. (See also fcntl (2) )
|
|
Possible values for Cmd are :
|
|
F_setFd,F_SetFl,F_GetLk,F_SetLk,F_SetLkW,F_SetOwn;
|
|
Errors are reported in Linuxerror;
|
|
If Cmd is different from the allowed values, linuxerror=Sys_eninval.
|
|
F_DupFD is not allowed, due to the structure of Files in Pascal.
|
|
}
|
|
var
|
|
sr : Syscallregs;
|
|
begin
|
|
if (cmd in [F_SetFd,F_SetFl,F_GetLk,F_SetLk,F_SetLkw,F_SetOwn]) then
|
|
begin
|
|
sr.reg2:=Fd;
|
|
sr.reg3:=cmd;
|
|
sr.reg4:=arg;
|
|
SysCall(Syscall_nr_fcntl,sr);
|
|
linuxerror:=errno;
|
|
end
|
|
else
|
|
linuxerror:=Sys_einval;
|
|
end;
|
|
|
|
|
|
Function Chmod(path:pathstr;Newmode:longint):Boolean;
|
|
{
|
|
Changes the permissions of a file.
|
|
}
|
|
var
|
|
sr : Syscallregs;
|
|
begin
|
|
path:=path+#0;
|
|
sr.reg2:=longint(@(path[1]));
|
|
sr.reg3:=newmode;
|
|
Chmod:=(SysCall(Syscall_nr_chmod,sr)=0);
|
|
linuxerror:=errno;
|
|
end;
|
|
|
|
|
|
|
|
Function Chown(path:pathstr;NewUid,NewGid:longint):boolean;
|
|
{
|
|
Change the owner and group of a file.
|
|
A user can only change the group to a group of which he is a member.
|
|
The super-user can change uid and gid of any file.
|
|
}
|
|
var
|
|
sr : Syscallregs;
|
|
begin
|
|
path:=path+#0;
|
|
sr.reg2:=longint(@(path[1]));
|
|
sr.reg3:=newuid;
|
|
sr.reg4:=newgid;
|
|
ChOwn:=(Syscall(Syscall_nr_chown,sr)=0);
|
|
linuxerror:=errno;
|
|
end;
|
|
|
|
|
|
|
|
Function Utime(const path:pathstr;utim:utimebuf):boolean;
|
|
var
|
|
sr : Syscallregs;
|
|
buf : pathstr;
|
|
begin
|
|
buf:=path+#0;
|
|
sr.reg2:=longint(@(buf[1]));
|
|
sr.reg3:=longint(@utim);
|
|
Utime:=SysCall(Syscall_nr_utime,sr)=0;
|
|
linuxerror:=errno;
|
|
end;
|
|
|
|
|
|
|
|
Function Flock (fd,mode : longint) : boolean;
|
|
var
|
|
sr : Syscallregs;
|
|
begin
|
|
sr.reg2:=fd;
|
|
sr.reg3:=mode;
|
|
flock:=Syscall(Syscall_nr_flock,sr)=0;
|
|
LinuxError:=errno;
|
|
end;
|
|
|
|
|
|
|
|
Function Fstat(Fd:Longint;var Info:stat):Boolean;
|
|
{
|
|
Get all information on a file descriptor, and return it in info.
|
|
}
|
|
var
|
|
regs : SysCallregs;
|
|
begin
|
|
regs.reg2:=Fd;
|
|
regs.reg3:=longint(@Info);
|
|
FStat:=(SysCall(SysCall_nr_fstat,regs)=0);
|
|
LinuxError:=Errno;
|
|
end;
|
|
|
|
|
|
Function Lstat(Filename: PathStr;var Info:stat):Boolean;
|
|
{
|
|
Get all information on a link (the link itself), and return it in info.
|
|
}
|
|
var
|
|
regs : SysCallregs;
|
|
begin
|
|
FileName:=FileName+#0;
|
|
regs.reg2:=longint(@filename[1]);
|
|
regs.reg3:=longint(@Info);
|
|
LStat:=(SysCall(SysCall_nr_lstat,regs)=0);
|
|
LinuxError:=Errno;
|
|
end;
|
|
|
|
|
|
|
|
Function FSStat(Path:Pathstr;Var Info:statfs):Boolean;
|
|
{
|
|
Get all information on a fileSystem, and return it in Info.
|
|
Path is the name of a file/directory on the fileSystem you wish to
|
|
investigate.
|
|
}
|
|
var
|
|
regs : SysCallregs;
|
|
begin
|
|
path:=path+#0;
|
|
regs.reg2:=longint(@path[1]);
|
|
regs.reg3:=longint(@Info);
|
|
FSStat:=(SysCall(SysCall_nr_statfs,regs)=0);
|
|
LinuxError:=errno;
|
|
end;
|
|
|
|
|
|
|
|
Function FSStat(Fd:Longint;Var Info:statfs):Boolean;
|
|
{
|
|
Get all information on a fileSystem, and return it in Info.
|
|
Fd is the file descriptor of a file/directory on the fileSystem
|
|
you wish to investigate.
|
|
}
|
|
var
|
|
regs : SysCallregs;
|
|
begin
|
|
regs.reg2:=Fd;
|
|
regs.reg3:=longint(@Info);
|
|
FSStat:=(SysCall(SysCall_nr_fstatfs,regs)=0);
|
|
LinuxError:=errno;
|
|
end;
|
|
|
|
|
|
|
|
Function Link(OldPath,NewPath:pathstr):boolean;
|
|
{
|
|
Proceduces a hard link from new to old.
|
|
In effect, new will be the same file as old.
|
|
}
|
|
var
|
|
regs : SysCallregs;
|
|
begin
|
|
oldpath:=oldpath+#0;
|
|
newpath:=newpath+#0;
|
|
regs.reg2:=longint(@oldpath[1]);
|
|
regs.reg3:=longint(@newpath[1]);
|
|
Link:=SysCall(SysCall_nr_link,regs)=0;
|
|
linuxerror:=errno;
|
|
end;
|
|
|
|
|
|
|
|
|
|
Function Umask(Mask:Integer):integer;
|
|
{
|
|
Sets file creation mask to (Mask and 0777 (octal) ), and returns the
|
|
previous value.
|
|
}
|
|
var
|
|
sr : Syscallregs;
|
|
begin
|
|
sr.reg2:=mask;
|
|
Umask:=SysCall(Syscall_nr_umask,sr);
|
|
linuxerror:=0;
|
|
end;
|
|
|
|
|
|
|
|
Function Access(Path:Pathstr ;mode:integer):boolean;
|
|
{
|
|
Test users access rights on the specified file.
|
|
Mode is a mask xosisting of one or more of R_OK, W_OK, X_OK, F_OK.
|
|
R,W,X stand for read,write and Execute access, simultaneously.
|
|
F_OK checks whether the test would be allowed on the file.
|
|
i.e. It checks the search permissions in all directory components
|
|
of the path.
|
|
The test is done with the real user-ID, instead of the effective.
|
|
If access is denied, or an error occurred, false is returned.
|
|
If access is granted, true is returned.
|
|
Errors other than no access,are reported in linuxerror.
|
|
}
|
|
var
|
|
sr : Syscallregs;
|
|
begin
|
|
path:=path+#0;
|
|
sr.reg2:=longint(@(path[1]));
|
|
sr.reg3:=mode;
|
|
access:=(SysCall(Syscall_nr_access,sr)=0);
|
|
linuxerror:=errno;
|
|
end;
|
|
|
|
|
|
Function Dup(oldfile:longint;var newfile:longint):Boolean;
|
|
{
|
|
Copies the filedescriptor oldfile to newfile
|
|
}
|
|
var
|
|
sr : Syscallregs;
|
|
begin
|
|
sr.reg2:=oldfile;
|
|
newfile:=Syscall(Syscall_nr_dup,sr);
|
|
linuxerror:=errno;
|
|
Dup:=(LinuxError=0);
|
|
end;
|
|
|
|
|
|
Function Dup2(oldfile,newfile:longint):Boolean;
|
|
{
|
|
Copies the filedescriptor oldfile to newfile
|
|
}
|
|
var
|
|
sr : Syscallregs;
|
|
begin
|
|
sr.reg2:=oldfile;
|
|
sr.reg3:=newfile;
|
|
SysCall(Syscall_nr_dup2,sr);
|
|
linuxerror:=errno;
|
|
Dup2:=(LinuxError=0);
|
|
end;
|
|
|
|
|
|
Function Select(N:longint;readfds,writefds,exceptfds:PFDSet;TimeOut:PTimeVal):longint;
|
|
{
|
|
Select checks whether the file descriptor sets in readfs/writefs/exceptfs
|
|
have changed.
|
|
}
|
|
Var
|
|
SelectArray : Array[1..5] of longint;
|
|
Sr : Syscallregs;
|
|
begin
|
|
SelectArray[1]:=n;
|
|
SelectArray[2]:=longint(Readfds);
|
|
Selectarray[3]:=longint(Writefds);
|
|
selectarray[4]:=longint(exceptfds);
|
|
Selectarray[5]:=longint(TimeOut);
|
|
sr.reg2:=longint(@selectarray);
|
|
Select:=SysCall(Syscall_nr_select,sr);
|
|
LinuxError:=Errno;
|
|
end;
|
|
|
|
|
|
|
|
Function AssignPipe(var pipe_in,pipe_out:longint):boolean;
|
|
{
|
|
Sets up a pair of file variables, which act as a pipe. The first one can
|
|
be read from, the second one can be written to.
|
|
If the operation was unsuccesful, linuxerror is set.
|
|
}
|
|
var
|
|
pip : tpipe;
|
|
regs : SysCallregs;
|
|
begin
|
|
regs.reg2:=longint(@pip);
|
|
SysCall(SysCall_nr_pipe,regs);
|
|
pipe_in:=pip[1];
|
|
pipe_out:=pip[2];
|
|
linuxerror:=errno;
|
|
AssignPipe:=(LinuxError=0);
|
|
end;
|
|
|
|
|
|
|
|
|
|
Function PClose(Var F:text) :longint;
|
|
var
|
|
sr : syscallregs;
|
|
pl : ^longint;
|
|
res : longint;
|
|
begin
|
|
sr.reg2:=Textrec(F).Handle;
|
|
SysCall (syscall_nr_close,sr);
|
|
{ closed our side, Now wait for the other - this appears to be needed ?? }
|
|
pl:=plongint(@(textrec(f).userdata[2]));
|
|
waitpid(pl^,@res,0);
|
|
pclose:=res shr 8;
|
|
end;
|
|
|
|
|
|
Function PClose(Var F:file) : longint;
|
|
var
|
|
sr : syscallregs;
|
|
pl : ^longint;
|
|
res : longint;
|
|
begin
|
|
sr.reg2:=FileRec(F).Handle;
|
|
SysCall (Syscall_nr_close,sr);
|
|
{ closed our side, Now wait for the other - this appears to be needed ?? }
|
|
pl:=plongint(@(filerec(f).userdata[2]));
|
|
waitpid(pl^,@res,0);
|
|
pclose:=res shr 8;
|
|
end;
|
|
|
|
|
|
Function Sysinfo(var Info:TSysinfo):Boolean;
|
|
{
|
|
Get system info
|
|
}
|
|
var
|
|
regs : SysCallregs;
|
|
Begin
|
|
regs.reg2:=longint(@info);
|
|
Sysinfo:=SysCall(SysCall_nr_Sysinfo,regs)=0;
|
|
End;
|
|
|
|
Function mkFifo(pathname:string;mode:longint):boolean;
|
|
var
|
|
regs : SysCallRegs;
|
|
begin
|
|
pathname:=pathname+#0;
|
|
regs.reg2:=longint(@pathname[1]);
|
|
regs.reg3:=mode or STAT_IFIFO;
|
|
regs.reg4:=0;
|
|
mkFifo:=(SysCall(syscall_nr_mknod,regs)=0);
|
|
end;
|
|
|
|
|
|
|
|
|
|
Function Uname(var unamerec:utsname):Boolean;
|
|
{
|
|
Get machine's names
|
|
}
|
|
var
|
|
regs : SysCallregs;
|
|
Begin
|
|
regs.reg2:=longint(@unamerec);
|
|
Uname:=SysCall(SysCall_nr_uname,regs)=0;
|
|
LinuxError:=Errno;
|
|
End;
|
|
|
|
|
|
Function Kill(Pid:longint;Sig:longint):integer;
|
|
{
|
|
Send signal 'sig' to a process, or a group of processes.
|
|
If Pid > 0 then the signal is sent to pid
|
|
pid=-1 to all processes except process 1
|
|
pid < -1 to process group -pid
|
|
Return value is zero, except for case three, where the return value
|
|
is the number of processes to which the signal was sent.
|
|
}
|
|
var
|
|
regs : Syscallregs;
|
|
begin
|
|
regs.reg2:=Pid;
|
|
regs.reg3:=Sig;
|
|
kill:=SysCall(Syscall_nr_kill,regs);
|
|
if kill<0 then
|
|
Kill:=0;
|
|
linuxerror:=errno;
|
|
end;
|
|
|
|
|
|
Procedure SigProcMask(How:longint;SSet,OldSSet:PSigSet);
|
|
{
|
|
Change the list of currently blocked signals.
|
|
How determines which signals will be blocked :
|
|
SigBlock : Add SSet to the current list of blocked signals
|
|
SigUnBlock : Remove the signals in SSet from the list of blocked signals.
|
|
SigSetMask : Set the list of blocked signals to SSet
|
|
if OldSSet is non-null, the old set will be saved there.
|
|
}
|
|
Var
|
|
sr : SyscallRegs;
|
|
begin
|
|
sr.reg2:=how;
|
|
sr.reg3:=longint(SSet);
|
|
sr.reg4:=longint(OldSSet);
|
|
SysCall(Syscall_nr_sigprocmask,sr);
|
|
linuxerror:=errno;
|
|
end;
|
|
|
|
|
|
|
|
Function SigPending:SigSet;
|
|
{
|
|
Allows examination of pending signals. The signal mask of pending
|
|
signals is set in SSet
|
|
}
|
|
Var
|
|
sr : SyscallRegs;
|
|
dummy : Sigset;
|
|
begin
|
|
sr.reg2:=longint(@dummy);
|
|
SysCall(Syscall_nr_sigpending,sr);
|
|
linuxerror:=errno;
|
|
Sigpending:=dummy;
|
|
end;
|
|
|
|
|
|
|
|
Procedure SigSuspend(Mask:Sigset);
|
|
{
|
|
Set the signal mask with Mask, and suspend the program until a signal
|
|
is received.
|
|
}
|
|
Var
|
|
sr : SyscallRegs;
|
|
begin
|
|
sr.reg2:=mask;
|
|
SysCall(Syscall_nr_sigsuspend,sr);
|
|
linuxerror:=errno;
|
|
end;
|
|
|
|
|
|
|
|
Function Signal(Signum:longint;Handler:SignalHandler):SignalHandler;
|
|
{
|
|
Install a new handler for signal Signum.
|
|
The old signal handler is returned.
|
|
This call does, in fact, the same as SigAction.
|
|
}
|
|
var
|
|
sr : Syscallregs;
|
|
begin
|
|
sr.reg2:=signum;
|
|
sr.reg3:=longint(handler);
|
|
Linuxerror:=SysCall(Syscall_nr_signal,sr);
|
|
If linuxerror=Sig_Err then
|
|
begin
|
|
Signal:=nil;
|
|
Linuxerror:=errno;
|
|
end
|
|
else
|
|
begin
|
|
Signal:=signalhandler(Linuxerror);
|
|
linuxerror:=0;
|
|
end;
|
|
end;
|
|
|
|
Function Alarm(Sec : Longint) : longint;
|
|
|
|
Var Sr : Syscallregs;
|
|
|
|
begin
|
|
sr.reg2:=Sec;
|
|
Alarm:=Syscall(syscall_nr_alarm,sr);
|
|
end;
|
|
|
|
Procedure Pause;
|
|
|
|
Var Sr : Syscallregs;
|
|
|
|
begin
|
|
syscall(syscall_nr_pause,sr);
|
|
end;
|
|
|
|
Function NanoSleep(const req : timespec;var rem : timespec) : longint;
|
|
|
|
var Sr : Syscallregs;
|
|
|
|
begin
|
|
sr.reg2:=longint(@req);
|
|
sr.reg3:=longint(@rem);
|
|
NanoSleep:=Syscall(syscall_nr_nanosleep,sr);
|
|
LinuxError:=Errno;
|
|
end;
|
|
|
|
Function IOCtl(Handle,Ndx: Longint;Data: Pointer):boolean;
|
|
{
|
|
Interface to Unix ioctl call.
|
|
Performs various operations on the filedescriptor Handle.
|
|
Ndx describes the operation to perform.
|
|
Data points to data needed for the Ndx function. The structure of this
|
|
data is function-dependent.
|
|
}
|
|
var
|
|
sr: SysCallRegs;
|
|
begin
|
|
sr.reg2:=Handle;
|
|
sr.reg3:=Ndx;
|
|
sr.reg4:=Longint(Data);
|
|
IOCtl:=(SysCall(Syscall_nr_ioctl,sr)=0);
|
|
LinuxError:=Errno;
|
|
end;
|
|
|
|
|
|
function MMap(const m:tmmapargs):longint;
|
|
Var
|
|
Sr : Syscallregs;
|
|
begin
|
|
Sr.reg2:=longint(@m);
|
|
MMap:=syscall(syscall_nr_mmap,sr);
|
|
LinuxError:=Errno;
|
|
end;
|
|
|
|
function MUnMap (P : Pointer; Size : Longint) : Boolean;
|
|
Var
|
|
Sr : Syscallregs;
|
|
begin
|
|
Sr.reg2:=longint(P);
|
|
sr.reg3:=Size;
|
|
MUnMap:=syscall(syscall_nr_munmap,sr)=0;
|
|
LinuxError:=Errno;
|
|
end;
|
|
|
|
{--------------------------------
|
|
Port IO functions
|
|
--------------------------------}
|
|
|
|
Function IOperm (From,Num : Cardinal; Value : Longint) : boolean;
|
|
{
|
|
Set permissions on NUM ports starting with port FROM to VALUE
|
|
this works ONLY as root.
|
|
}
|
|
|
|
Var
|
|
Sr : Syscallregs;
|
|
begin
|
|
Sr.Reg2:=From;
|
|
Sr.Reg3:=Num;
|
|
Sr.Reg4:=Value;
|
|
IOPerm:=Syscall(Syscall_nr_ioperm,sr)=0;
|
|
LinuxError:=Errno;
|
|
end;
|
|
|
|
Function IoPL(Level : longint) : Boolean;
|
|
|
|
Var
|
|
Sr : Syscallregs;
|
|
begin
|
|
Sr.Reg2:=Level;
|
|
IOPL:=Syscall(Syscall_nr_iopl,sr)=0;
|
|
LinuxError:=Errno;
|
|
end;
|
|
|
|
{******************************************************************************
|
|
Process related calls
|
|
******************************************************************************}
|
|
|
|
{ Most calls of WaitPID do not handle the result correctly, this funktion treats errors more correctly }
|
|
Function WaitProcess(Pid:longint):Longint; { like WaitPid(PID,@result,0) Handling of Signal interrupts (errno=EINTR), returning the Exitcode of Process (>=0) or -Status if terminated}
|
|
var r,s : LongInt;
|
|
begin
|
|
repeat
|
|
s:=$7F00;
|
|
r:=WaitPid(Pid,@s,0);
|
|
until (r<>-1) or (LinuxError<>Sys_EINTR);
|
|
if (r=-1) or (r=0) then // 0 is not a valid return and should never occur (it means status invalid when using WNOHANG)
|
|
WaitProcess:=-1 // return -1 to indicate an error
|
|
else
|
|
begin
|
|
{$ifdef solaris}
|
|
if (s and $FF)=0 then // Only this is a valid returncode
|
|
{$else solaris}
|
|
{ the following is at least correct for Linux and Darwin (JM) }
|
|
if (s and $7F)=0 then
|
|
{$endif solaris}
|
|
WaitProcess:=s shr 8
|
|
else if (s>0) then // Until now there is not use of the highest bit , but check this for the future
|
|
WaitProcess:=-s // normal case
|
|
else
|
|
WaitProcess:=s; // s<0 should not occur, but wie return also a negativ value
|
|
end;
|
|
end;
|
|
|
|
function InternalCreateShellArgV(cmd:pChar; len:longint):ppchar;
|
|
{
|
|
Create an argv which executes a command in a shell using /bin/sh -c
|
|
}
|
|
const Shell = '/bin/sh'#0'-c'#0;
|
|
var
|
|
pp,p : ppchar;
|
|
// temp : string; !! Never pass a local var back!!
|
|
begin
|
|
getmem(pp,4*4);
|
|
p:=pp;
|
|
p^:=@Shell[1];
|
|
inc(p);
|
|
p^:=@Shell[9];
|
|
inc(p);
|
|
getmem(p^,len+1);
|
|
move(cmd^,p^^,len);
|
|
pchar(p^)[len]:=#0;
|
|
inc(p);
|
|
p^:=Nil;
|
|
InternalCreateShellArgV:=pp;
|
|
end;
|
|
|
|
function CreateShellArgV(const prog:string):ppchar;
|
|
begin
|
|
CreateShellArgV:=InternalCreateShellArgV(@prog[1],length(prog));
|
|
end;
|
|
|
|
function CreateShellArgV(const prog:Ansistring):ppchar;
|
|
{
|
|
Create an argv which executes a command in a shell using /bin/sh -c
|
|
using a AnsiString;
|
|
}
|
|
begin
|
|
CreateShellArgV:=InternalCreateShellArgV(@prog[1],length(prog)); // if ppc works like delphi this also work when @prog[1] is invalid (len=0)
|
|
end;
|
|
|
|
procedure FreeShellArgV(p:ppchar);
|
|
begin
|
|
if (p<>nil) then begin
|
|
freemem(p[2]);
|
|
freemem(p);
|
|
end;
|
|
end;
|
|
|
|
Procedure Execve(Path: AnsiString;args:ppchar;ep:ppchar);
|
|
{
|
|
overloaded ansistring version.
|
|
}
|
|
begin
|
|
ExecVE(PChar(Path),args,ep);
|
|
end;
|
|
|
|
Procedure Execv(const path: AnsiString;args:ppchar);
|
|
{
|
|
Overloaded ansistring version.
|
|
}
|
|
begin
|
|
ExecVe(Path,Args,envp)
|
|
end;
|
|
|
|
Procedure Execvp(Path: AnsiString; Args:ppchar;Ep:ppchar);
|
|
{
|
|
Overloaded ansistring version
|
|
}
|
|
var
|
|
thepath : Ansistring;
|
|
begin
|
|
if path[1]<>'/' then
|
|
begin
|
|
Thepath:=strpas(getenv('PATH'));
|
|
if thepath='' then
|
|
thepath:='.';
|
|
Path:=FSearch(path,thepath)
|
|
end
|
|
else
|
|
Path:='';
|
|
if Path='' then
|
|
linuxerror:=Sys_enoent
|
|
else
|
|
Execve(Path,args,ep);{On error linuxerror will get set there}
|
|
end;
|
|
|
|
Procedure Execv(const path:pathstr;args:ppchar);
|
|
{
|
|
Replaces the current program by the program specified in path,
|
|
arguments in args are passed to Execve.
|
|
the current environment is passed on.
|
|
}
|
|
begin
|
|
Execve(path,args,envp); {On error linuxerror will get set there}
|
|
end;
|
|
|
|
Procedure Execvp(Path:Pathstr;Args:ppchar;Ep:ppchar);
|
|
{
|
|
This does the same as Execve, only it searches the PATH environment
|
|
for the place of the Executable, except when Path starts with a slash.
|
|
if the PATH environment variable is unavailable, the path is set to '.'
|
|
}
|
|
var
|
|
thepath : string;
|
|
begin
|
|
if path[1]<>'/' then
|
|
begin
|
|
Thepath:=strpas(getenv('PATH'));
|
|
if thepath='' then
|
|
thepath:='.';
|
|
Path:=FSearch(path,thepath)
|
|
end
|
|
else
|
|
Path:='';
|
|
if Path='' then
|
|
linuxerror:=Sys_enoent
|
|
else
|
|
Execve(Path,args,ep);{On error linuxerror will get set there}
|
|
end;
|
|
|
|
Procedure Execle(Todo:string;Ep:ppchar);
|
|
{
|
|
This procedure takes the string 'Todo', parses it for command and
|
|
command options, and Executes the command with the given options.
|
|
The string 'Todo' shoud be of the form 'command options', options
|
|
separated by commas.
|
|
the PATH environment is not searched for 'command'.
|
|
The specified environment(in 'ep') is passed on to command
|
|
}
|
|
var
|
|
p : ppchar;
|
|
begin
|
|
p:=StringToPPChar(ToDo);
|
|
if (p=nil) or (p^=nil) then
|
|
exit;
|
|
ExecVE(p^,p,EP);
|
|
end;
|
|
|
|
Procedure Execle(Todo:AnsiString;Ep:ppchar);
|
|
{
|
|
This procedure takes the string 'Todo', parses it for command and
|
|
command options, and Executes the command with the given options.
|
|
The string 'Todo' shoud be of the form 'command options', options
|
|
separated by commas.
|
|
the PATH environment is not searched for 'command'.
|
|
The specified environment(in 'ep') is passed on to command
|
|
}
|
|
var
|
|
p : ppchar;
|
|
begin
|
|
p:=StringToPPChar(ToDo);
|
|
if (p=nil) or (p^=nil) then
|
|
exit;
|
|
ExecVE(p^,p,EP);
|
|
end;
|
|
|
|
Procedure Execl(const Todo:string);
|
|
{
|
|
This procedure takes the string 'Todo', parses it for command and
|
|
command options, and Executes the command with the given options.
|
|
The string 'Todo' shoud be of the form 'command options', options
|
|
separated by commas.
|
|
the PATH environment is not searched for 'command'.
|
|
The current environment is passed on to command
|
|
}
|
|
begin
|
|
ExecLE(ToDo,EnvP);
|
|
end;
|
|
|
|
Procedure Execl(const Todo:Ansistring);
|
|
|
|
{
|
|
Overloaded AnsiString Version of ExecL.
|
|
}
|
|
|
|
begin
|
|
ExecLE(ToDo,EnvP);
|
|
end;
|
|
|
|
|
|
Procedure Execlp(Todo:string;Ep:ppchar);
|
|
{
|
|
This procedure takes the string 'Todo', parses it for command and
|
|
command options, and Executes the command with the given options.
|
|
The string 'Todo' shoud be of the form 'command options', options
|
|
separated by commas.
|
|
the PATH environment is searched for 'command'.
|
|
The specified environment (in 'ep') is passed on to command
|
|
}
|
|
var
|
|
p : ppchar;
|
|
begin
|
|
p:=StringToPPchar(todo);
|
|
if (p=nil) or (p^=nil) then
|
|
exit;
|
|
ExecVP(StrPas(p^),p,EP);
|
|
end;
|
|
|
|
Procedure Execlp(Todo: Ansistring;Ep:ppchar);
|
|
{
|
|
Overloaded ansistring version.
|
|
}
|
|
var
|
|
p : ppchar;
|
|
begin
|
|
p:=StringToPPchar(todo);
|
|
if (p=nil) or (p^=nil) then
|
|
exit;
|
|
ExecVP(StrPas(p^),p,EP);
|
|
end;
|
|
|
|
Function Shell(const Command:String):Longint;
|
|
{
|
|
Executes the shell, and passes it the string Command. (Through /bin/sh -c)
|
|
The current environment is passed to the shell.
|
|
It waits for the shell to exit, and returns its exit status.
|
|
If the Exec call failed exit status 127 is reported.
|
|
}
|
|
{ Changed the structure:
|
|
- the previous version returns an undefinied value if fork fails
|
|
- it returns the status of Waitpid instead of the Process returnvalue (see the doc to Shell)
|
|
- it uses exit(127) not ExitProc (The Result in pp386: going on Compiling in 2 processes!)
|
|
- ShellArgs are now released
|
|
- The Old CreateShellArg gives back pointers to a local var
|
|
}
|
|
var
|
|
p : ppchar;
|
|
pid,r,s : longint;
|
|
begin
|
|
p:=CreateShellArgv(command);
|
|
pid:=fork;
|
|
if pid=0 then // We are in the Child
|
|
begin
|
|
{This is the child.}
|
|
Execve(p^,p,envp);
|
|
ExitProcess(127); // was Exit(127)
|
|
end
|
|
else if (pid<>-1) then // Successfull started
|
|
begin
|
|
repeat
|
|
s:=$7F00;
|
|
r:=WaitPid(Pid,@s,0);
|
|
until (r<>-1) or (LinuxError<>Sys_EINTR);
|
|
if (r=-1) or (r=0) then
|
|
Shell:=-1
|
|
else
|
|
Shell:=s;
|
|
end
|
|
else // no success
|
|
Shell:=-1; // indicate an error
|
|
FreeShellArgV(p);
|
|
end;
|
|
|
|
Function Shell(const Command:AnsiString):Longint;
|
|
{
|
|
AnsiString version of Shell
|
|
}
|
|
var
|
|
p : ppchar;
|
|
pid : longint;
|
|
begin { Changes as above }
|
|
p:=CreateShellArgv(command);
|
|
pid:=fork;
|
|
if pid=0 then // We are in the Child
|
|
begin
|
|
Execve(p^,p,envp);
|
|
ExitProcess(127); // was exit(127)!! We must exit the Process, not the function
|
|
end
|
|
else if (pid<>-1) then // Successfull started
|
|
Shell:=WaitProcess(pid) {Linuxerror is set there}
|
|
else // no success
|
|
Shell:=-1;
|
|
FreeShellArgV(p);
|
|
end;
|
|
|
|
function WEXITSTATUS(Status: Integer): Integer;
|
|
begin
|
|
WEXITSTATUS:=(Status and $FF00) shr 8;
|
|
end;
|
|
|
|
function WTERMSIG(Status: Integer): Integer;
|
|
begin
|
|
WTERMSIG:=(Status and $7F);
|
|
end;
|
|
|
|
function WSTOPSIG(Status: Integer): Integer;
|
|
begin
|
|
WSTOPSIG:=WEXITSTATUS(Status);
|
|
end;
|
|
|
|
Function WIFEXITED(Status: Integer): Boolean;
|
|
begin
|
|
WIFEXITED:=(WTERMSIG(Status)=0);
|
|
end;
|
|
|
|
Function WIFSTOPPED(Status: Integer): Boolean;
|
|
begin
|
|
WIFSTOPPED:=((Status and $FF)=$7F);
|
|
end;
|
|
|
|
Function WIFSIGNALED(Status: Integer): Boolean;
|
|
begin
|
|
WIFSIGNALED:=(not WIFSTOPPED(Status)) and
|
|
(not WIFEXITED(Status));
|
|
end;
|
|
|
|
Function W_EXITCODE(ReturnCode, Signal: Integer): Integer;
|
|
begin
|
|
W_EXITCODE:=(ReturnCode shl 8) or Signal;
|
|
end;
|
|
|
|
Function W_STOPCODE(Signal: Integer): Integer;
|
|
|
|
begin
|
|
W_STOPCODE:=(Signal shl 8) or $7F;
|
|
end;
|
|
|
|
|
|
{******************************************************************************
|
|
Date and Time related calls
|
|
******************************************************************************}
|
|
|
|
Const
|
|
{Date Translation}
|
|
C1970=2440588;
|
|
D0 = 1461;
|
|
D1 = 146097;
|
|
D2 =1721119;
|
|
|
|
Function GregorianToJulian(Year,Month,Day:Longint):LongInt;
|
|
Var
|
|
Century,XYear: LongInt;
|
|
Begin
|
|
If Month<=2 Then
|
|
Begin
|
|
Dec(Year);
|
|
Inc(Month,12);
|
|
End;
|
|
Dec(Month,3);
|
|
Century:=(longint(Year Div 100)*D1) shr 2;
|
|
XYear:=(longint(Year Mod 100)*D0) shr 2;
|
|
GregorianToJulian:=((((Month*153)+2) div 5)+Day)+D2+XYear+Century;
|
|
End;
|
|
|
|
|
|
|
|
Procedure JulianToGregorian(JulianDN:LongInt;Var Year,Month,Day:Word);
|
|
Var
|
|
YYear,XYear,Temp,TempMonth : LongInt;
|
|
Begin
|
|
Temp:=((JulianDN-D2) shl 2)-1;
|
|
JulianDN:=Temp Div D1;
|
|
XYear:=(Temp Mod D1) or 3;
|
|
YYear:=(XYear Div D0);
|
|
Temp:=((((XYear mod D0)+4) shr 2)*5)-3;
|
|
Day:=((Temp Mod 153)+5) Div 5;
|
|
TempMonth:=Temp Div 153;
|
|
If TempMonth>=10 Then
|
|
Begin
|
|
inc(YYear);
|
|
dec(TempMonth,12);
|
|
End;
|
|
inc(TempMonth,3);
|
|
Month := TempMonth;
|
|
Year:=YYear+(JulianDN*100);
|
|
end;
|
|
|
|
Function GetEpochTime: longint;
|
|
{
|
|
Get the number of seconds since 00:00, January 1 1970, GMT
|
|
the time NOT corrected any way
|
|
}
|
|
begin
|
|
GetEpochTime:=GetTimeOfDay;
|
|
end;
|
|
|
|
|
|
Procedure EpochToLocal(epoch:longint;var year,month,day,hour,minute,second:Word);
|
|
{
|
|
Transforms Epoch time into local time (hour, minute,seconds)
|
|
}
|
|
Var
|
|
DateNum: LongInt;
|
|
Begin
|
|
inc(Epoch,TZSeconds);
|
|
Datenum:=(Epoch Div 86400) + c1970;
|
|
JulianToGregorian(DateNum,Year,Month,day);
|
|
Epoch:=Abs(Epoch Mod 86400);
|
|
Hour:=Epoch Div 3600;
|
|
Epoch:=Epoch Mod 3600;
|
|
Minute:=Epoch Div 60;
|
|
Second:=Epoch Mod 60;
|
|
End;
|
|
|
|
|
|
Function LocalToEpoch(year,month,day,hour,minute,second:Word):Longint;
|
|
{
|
|
Transforms local time (year,month,day,hour,minutes,second) to Epoch time
|
|
(seconds since 00:00, january 1 1970, corrected for local time zone)
|
|
}
|
|
Begin
|
|
LocalToEpoch:=((GregorianToJulian(Year,Month,Day)-c1970)*86400)+
|
|
(LongInt(Hour)*3600)+(Minute*60)+Second-TZSeconds;
|
|
End;
|
|
|
|
|
|
procedure GetTime(var hour,min,sec,msec,usec:word);
|
|
{
|
|
Gets the current time, adjusted to local time
|
|
}
|
|
var
|
|
year,day,month:Word;
|
|
t : timeval;
|
|
begin
|
|
gettimeofday(t);
|
|
EpochToLocal(t.sec,year,month,day,hour,min,sec);
|
|
msec:=t.usec div 1000;
|
|
usec:=t.usec mod 1000;
|
|
end;
|
|
|
|
|
|
procedure GetTime(var hour,min,sec,sec100:word);
|
|
{
|
|
Gets the current time, adjusted to local time
|
|
}
|
|
var
|
|
usec : word;
|
|
begin
|
|
gettime(hour,min,sec,sec100,usec);
|
|
sec100:=sec100 div 10;
|
|
end;
|
|
|
|
|
|
Procedure GetTime(Var Hour,Min,Sec:Word);
|
|
{
|
|
Gets the current time, adjusted to local time
|
|
}
|
|
var
|
|
msec,usec : Word;
|
|
Begin
|
|
gettime(hour,min,sec,msec,usec);
|
|
End;
|
|
|
|
|
|
Procedure GetDate(Var Year,Month,Day:Word);
|
|
{
|
|
Gets the current date, adjusted to local time
|
|
}
|
|
var
|
|
hour,minute,second : word;
|
|
Begin
|
|
EpochToLocal(GetTimeOfDay,year,month,day,hour,minute,second);
|
|
End;
|
|
|
|
|
|
Procedure GetDateTime(Var Year,Month,Day,hour,minute,second:Word);
|
|
{
|
|
Gets the current date, adjusted to local time
|
|
}
|
|
Begin
|
|
EpochToLocal(GetTimeOfDay,year,month,day,hour,minute,second);
|
|
End;
|
|
|
|
{$ifndef BSD} {Fix for 1.0.x starting compiler only}
|
|
{$ifdef linux}
|
|
Function stime (t : longint) : Boolean;
|
|
var
|
|
sr : Syscallregs;
|
|
begin
|
|
sr.reg2:=longint(@t);
|
|
SysCall(Syscall_nr_stime,sr);
|
|
linuxerror:=errno;
|
|
stime:=linuxerror=0;
|
|
end;
|
|
{$endif}
|
|
{$endif}
|
|
|
|
{$ifdef BSD}
|
|
Function stime (t : longint) : Boolean;
|
|
begin
|
|
stime:=false;
|
|
end;
|
|
{$endif}
|
|
|
|
Function SetTime(Hour,Min,Sec:word) : boolean;
|
|
var
|
|
Year, Month, Day : Word;
|
|
begin
|
|
GetDate (Year, Month, Day);
|
|
SetTime:=stime ( LocalToEpoch ( Year, Month, Day, Hour, Min, Sec ) );
|
|
end;
|
|
|
|
Function SetDate(Year,Month,Day:Word) : boolean;
|
|
var
|
|
Hour, Minute, Second, Sec100 : Word;
|
|
begin
|
|
GetTime ( Hour, Minute, Second, Sec100 );
|
|
SetDate:=stime ( LocalToEpoch ( Year, Month, Day, Hour, Minute, Second ) );
|
|
end;
|
|
|
|
Function SetDateTime(Year,Month,Day,hour,minute,second:Word) : Boolean;
|
|
|
|
begin
|
|
SetDateTime:=stime ( LocalToEpoch ( Year, Month, Day, Hour, Minute, Second ) );
|
|
end;
|
|
|
|
{ Include timezone handling routines which use /usr/share/timezone info }
|
|
|
|
type
|
|
plongint=^longint;
|
|
pbyte=^byte;
|
|
|
|
ttzhead=packed record
|
|
tzh_reserved : array[0..19] of byte;
|
|
tzh_ttisgmtcnt,
|
|
tzh_ttisstdcnt,
|
|
tzh_leapcnt,
|
|
tzh_timecnt,
|
|
tzh_typecnt,
|
|
tzh_charcnt : longint;
|
|
end;
|
|
|
|
pttinfo=^tttinfo;
|
|
tttinfo=packed record
|
|
offset : longint;
|
|
isdst : boolean;
|
|
idx : byte;
|
|
isstd : byte;
|
|
isgmt : byte;
|
|
end;
|
|
|
|
pleap=^tleap;
|
|
tleap=record
|
|
transition : longint;
|
|
change : longint;
|
|
end;
|
|
|
|
var
|
|
num_transitions,
|
|
num_leaps,
|
|
num_types : longint;
|
|
|
|
transitions : plongint;
|
|
type_idxs : pbyte;
|
|
types : pttinfo;
|
|
zone_names : pchar;
|
|
leaps : pleap;
|
|
|
|
function find_transition(timer:longint):pttinfo;
|
|
var
|
|
i : longint;
|
|
begin
|
|
if (num_transitions=0) or (timer<transitions[0]) then
|
|
begin
|
|
i:=0;
|
|
while (i<num_types) and (types[i].isdst) do
|
|
inc(i);
|
|
if (i=num_types) then
|
|
i:=0;
|
|
end
|
|
else
|
|
begin
|
|
for i:=1 to num_transitions do
|
|
if (timer<transitions[i]) then
|
|
break;
|
|
i:=type_idxs[i-1];
|
|
end;
|
|
find_transition:=@types[i];
|
|
end;
|
|
|
|
|
|
procedure GetLocalTimezone(timer:longint;var leap_correct,leap_hit:longint);
|
|
var
|
|
info : pttinfo;
|
|
i : longint;
|
|
begin
|
|
{ reset }
|
|
TZDaylight:=false;
|
|
TZSeconds:=0;
|
|
TZName[false]:=nil;
|
|
TZName[true]:=nil;
|
|
leap_correct:=0;
|
|
leap_hit:=0;
|
|
{ get info }
|
|
info:=find_transition(timer);
|
|
if not assigned(info) then
|
|
exit;
|
|
TZDaylight:=info^.isdst;
|
|
TZSeconds:=info^.offset;
|
|
i:=0;
|
|
while (i<num_types) do
|
|
begin
|
|
tzname[types[i].isdst]:=@zone_names[types[i].idx];
|
|
inc(i);
|
|
end;
|
|
tzname[info^.isdst]:=@zone_names[info^.idx];
|
|
i:=num_leaps;
|
|
repeat
|
|
if i=0 then
|
|
exit;
|
|
dec(i);
|
|
until (timer>leaps[i].transition);
|
|
leap_correct:=leaps[i].change;
|
|
if (timer=leaps[i].transition) and
|
|
(((i=0) and (leaps[i].change>0)) or
|
|
(leaps[i].change>leaps[i-1].change)) then
|
|
begin
|
|
leap_hit:=1;
|
|
while (i>0) and
|
|
(leaps[i].transition=leaps[i-1].transition+1) and
|
|
(leaps[i].change=leaps[i-1].change+1) do
|
|
begin
|
|
inc(leap_hit);
|
|
dec(i);
|
|
end;
|
|
end;
|
|
end;
|
|
|
|
|
|
procedure GetLocalTimezone(timer:longint);
|
|
var
|
|
lc,lh : longint;
|
|
begin
|
|
GetLocalTimezone(timer,lc,lh);
|
|
end;
|
|
|
|
|
|
procedure ReadTimezoneFile(fn:string);
|
|
|
|
procedure decode(var l:longint);
|
|
var
|
|
k : longint;
|
|
p : pbyte;
|
|
begin
|
|
p:=pbyte(@l);
|
|
if (p[0] and (1 shl 7))<>0 then
|
|
k:=not 0
|
|
else
|
|
k:=0;
|
|
k:=(k shl 8) or p[0];
|
|
k:=(k shl 8) or p[1];
|
|
k:=(k shl 8) or p[2];
|
|
k:=(k shl 8) or p[3];
|
|
l:=k;
|
|
end;
|
|
|
|
var
|
|
f : longint;
|
|
tzdir : string;
|
|
tzhead : ttzhead;
|
|
i : longint;
|
|
chars : longint;
|
|
buf : pbyte;
|
|
begin
|
|
if fn='' then
|
|
fn:='localtime';
|
|
if fn[1]<>'/' then
|
|
begin
|
|
tzdir:=getenv('TZDIR');
|
|
if tzdir='' then
|
|
tzdir:='/usr/share/zoneinfo';
|
|
if tzdir[length(tzdir)]<>'/' then
|
|
tzdir:=tzdir+'/';
|
|
fn:=tzdir+fn;
|
|
end;
|
|
f:=fdopen(fn,Open_RdOnly);
|
|
if f<0 then
|
|
exit;
|
|
i:=fdread(f,tzhead,sizeof(tzhead));
|
|
if i<>sizeof(tzhead) then
|
|
exit;
|
|
decode(tzhead.tzh_timecnt);
|
|
decode(tzhead.tzh_typecnt);
|
|
decode(tzhead.tzh_charcnt);
|
|
decode(tzhead.tzh_leapcnt);
|
|
decode(tzhead.tzh_ttisstdcnt);
|
|
decode(tzhead.tzh_ttisgmtcnt);
|
|
|
|
num_transitions:=tzhead.tzh_timecnt;
|
|
num_types:=tzhead.tzh_typecnt;
|
|
chars:=tzhead.tzh_charcnt;
|
|
|
|
reallocmem(transitions,num_transitions*sizeof(longint));
|
|
reallocmem(type_idxs,num_transitions);
|
|
reallocmem(types,num_types*sizeof(tttinfo));
|
|
reallocmem(zone_names,chars);
|
|
reallocmem(leaps,num_leaps*sizeof(tleap));
|
|
|
|
fdread(f,transitions^,num_transitions*4);
|
|
fdread(f,type_idxs^,num_transitions);
|
|
|
|
for i:=0 to num_transitions-1 do
|
|
decode(transitions[i]);
|
|
|
|
for i:=0 to num_types-1 do
|
|
begin
|
|
fdread(f,types[i].offset,4);
|
|
fdread(f,types[i].isdst,1);
|
|
fdread(f,types[i].idx,1);
|
|
decode(types[i].offset);
|
|
types[i].isstd:=0;
|
|
types[i].isgmt:=0;
|
|
end;
|
|
|
|
fdread(f,zone_names^,chars);
|
|
|
|
for i:=0 to num_leaps-1 do
|
|
begin
|
|
fdread(f,leaps[i].transition,4);
|
|
fdread(f,leaps[i].change,4);
|
|
decode(leaps[i].transition);
|
|
decode(leaps[i].change);
|
|
end;
|
|
|
|
getmem(buf,tzhead.tzh_ttisstdcnt);
|
|
fdread(f,buf^,tzhead.tzh_ttisstdcnt);
|
|
for i:=0 to tzhead.tzh_ttisstdcnt-1 do
|
|
types[i].isstd:=byte(buf[i]<>0);
|
|
freemem(buf);
|
|
|
|
getmem(buf,tzhead.tzh_ttisgmtcnt);
|
|
fdread(f,buf^,tzhead.tzh_ttisgmtcnt);
|
|
for i:=0 to tzhead.tzh_ttisgmtcnt-1 do
|
|
types[i].isgmt:=byte(buf[i]<>0);
|
|
freemem(buf);
|
|
fdclose(f);
|
|
end;
|
|
|
|
Const
|
|
// Debian system; contains location of timezone file.
|
|
TimeZoneLocationFile = '/etc/timezone';
|
|
// SuSE has link in /usr/lib/zoneinfo/localtime to /etc/localtime
|
|
// RedHat uses /etc/localtime
|
|
TimeZoneFile = '/usr/lib/zoneinfo/localtime';
|
|
AltTimeZoneFile = '/etc/localtime';
|
|
|
|
function GetTimezoneFile:string;
|
|
var
|
|
f,len : longint;
|
|
s : string;
|
|
info : stat;
|
|
|
|
begin
|
|
GetTimezoneFile:='';
|
|
f:=fdopen(TimeZoneLocationFile,Open_RdOnly);
|
|
if f>0 then
|
|
begin
|
|
len:=fdread(f,s[1],high(s));
|
|
s[0]:=chr(len);
|
|
len:=pos(#10,s);
|
|
if len<>0 then
|
|
s[0]:=chr(len-1);
|
|
fdclose(f);
|
|
GetTimezoneFile:=s;
|
|
end
|
|
// Try SuSE
|
|
else if fstat(TimeZoneFile,info) then
|
|
GetTimeZoneFile:=TimeZoneFile
|
|
// Try RedHat
|
|
else If fstat(AltTimeZoneFile,Info) then
|
|
GetTimeZoneFile:=AltTimeZoneFile;
|
|
end;
|
|
|
|
|
|
procedure InitLocalTime;
|
|
begin
|
|
ReadTimezoneFile(GetTimezoneFile);
|
|
GetLocalTimezone(GetTimeOfDay);
|
|
end;
|
|
|
|
|
|
procedure DoneLocalTime;
|
|
begin
|
|
if assigned(transitions) then
|
|
freemem(transitions);
|
|
if assigned(type_idxs) then
|
|
freemem(type_idxs);
|
|
if assigned(types) then
|
|
freemem(types);
|
|
if assigned(zone_names) then
|
|
freemem(zone_names);
|
|
if assigned(leaps) then
|
|
freemem(leaps);
|
|
num_transitions:=0;
|
|
num_leaps:=0;
|
|
num_types:=0;
|
|
end;
|
|
|
|
|
|
|
|
|
|
{******************************************************************************
|
|
FileSystem calls
|
|
******************************************************************************}
|
|
|
|
Function fdOpen(pathname:string;flags:longint):longint;
|
|
begin
|
|
pathname:=pathname+#0;
|
|
fdOpen:=Sys_Open(@pathname[1],flags,438);
|
|
LinuxError:=Errno;
|
|
end;
|
|
|
|
|
|
Function fdOpen(pathname:string;flags,mode:longint):longint;
|
|
begin
|
|
pathname:=pathname+#0;
|
|
fdOpen:=Sys_Open(@pathname[1],flags,mode);
|
|
LinuxError:=Errno;
|
|
end;
|
|
|
|
|
|
|
|
Function fdOpen(pathname:pchar;flags:longint):longint;
|
|
begin
|
|
fdOpen:=Sys_Open(pathname,flags,0);
|
|
LinuxError:=Errno;
|
|
end;
|
|
|
|
|
|
|
|
Function fdOpen(pathname:pchar;flags,mode:longint):longint;
|
|
begin
|
|
fdOpen:=Sys_Open(pathname,flags,mode);
|
|
LinuxError:=Errno;
|
|
end;
|
|
|
|
|
|
|
|
Function fdClose(fd:longint):boolean;
|
|
begin
|
|
fdClose:=(Sys_Close(fd)=0);
|
|
LinuxError:=Errno;
|
|
end;
|
|
|
|
|
|
|
|
Function fdRead(fd:longint;var buf;size:longint):longint;
|
|
begin
|
|
fdRead:=Sys_Read(fd,pchar(@buf),size);
|
|
LinuxError:=Errno;
|
|
end;
|
|
|
|
|
|
|
|
Function fdWrite(fd:longint;const buf;size:longint):longint;
|
|
begin
|
|
fdWrite:=Sys_Write(fd,pchar(@buf),size);
|
|
LinuxError:=Errno;
|
|
end;
|
|
|
|
|
|
|
|
|
|
Function fdSeek (fd,pos,seektype :longint): longint;
|
|
{
|
|
Do a Seek on a file descriptor fd to position pos, starting from seektype
|
|
|
|
}
|
|
begin
|
|
fdseek:=Sys_LSeek (fd,pos,seektype);
|
|
LinuxError:=Errno;
|
|
end;
|
|
|
|
{$ifdef BSD}
|
|
Function Fcntl(Fd:longint;Cmd:longint):longint;
|
|
{
|
|
Read or manipulate a file.(See also fcntl (2) )
|
|
Possible values for Cmd are :
|
|
F_GetFd,F_GetFl,F_GetOwn
|
|
Errors are reported in Linuxerror;
|
|
If Cmd is different from the allowed values, linuxerror=Sys_eninval.
|
|
}
|
|
|
|
begin
|
|
if (cmd in [F_GetFd,F_GetFl,F_GetOwn]) then
|
|
begin
|
|
Linuxerror:=sys_fcntl(fd,cmd,0);
|
|
if linuxerror=-1 then
|
|
begin
|
|
linuxerror:=errno;
|
|
fcntl:=0;
|
|
end
|
|
else
|
|
begin
|
|
fcntl:=linuxerror;
|
|
linuxerror:=0;
|
|
end;
|
|
end
|
|
else
|
|
begin
|
|
linuxerror:=Sys_einval;
|
|
Fcntl:=0;
|
|
end;
|
|
end;
|
|
|
|
|
|
Procedure Fcntl(Fd:longint;Cmd:longint;Arg:Longint);
|
|
{
|
|
Read or manipulate a file. (See also fcntl (2) )
|
|
Possible values for Cmd are :
|
|
F_setFd,F_SetFl,F_GetLk,F_SetLk,F_SetLkW,F_SetOwn;
|
|
Errors are reported in Linuxerror;
|
|
If Cmd is different from the allowed values, linuxerror=Sys_eninval.
|
|
F_DupFD is not allowed, due to the structure of Files in Pascal.
|
|
}
|
|
begin
|
|
if (cmd in [F_SetFd,F_SetFl,F_GetLk,F_SetLk,F_SetLkw,F_SetOwn]) then
|
|
begin
|
|
sys_fcntl(fd,cmd,arg);
|
|
LinuxError:=ErrNo;
|
|
end
|
|
else
|
|
linuxerror:=Sys_einval;
|
|
end;
|
|
{$endif}
|
|
|
|
|
|
Function Fcntl(var Fd:Text;Cmd:longint):longint;
|
|
begin
|
|
Fcntl := Fcntl(textrec(Fd).handle, Cmd);
|
|
end;
|
|
|
|
Procedure Fcntl(var Fd:Text;Cmd,Arg:Longint);
|
|
|
|
begin
|
|
Fcntl(textrec(Fd).handle, Cmd, Arg);
|
|
end;
|
|
|
|
|
|
Function Flock (var T : text;mode : longint) : boolean;
|
|
begin
|
|
Flock:=Flock(TextRec(T).Handle,mode);
|
|
end;
|
|
|
|
|
|
|
|
Function Flock (var F : File;mode : longint) : boolean;
|
|
begin
|
|
Flock:=Flock(FileRec(F).Handle,mode);
|
|
end;
|
|
|
|
|
|
|
|
Function FStat(Path:Pathstr;Var Info:stat):Boolean;
|
|
{
|
|
Get all information on a file, and return it in Info.
|
|
}
|
|
begin
|
|
path:=path+#0;
|
|
FStat:=(Sys_stat(@(path[1]),Info)=0);
|
|
LinuxError:=errno;
|
|
end;
|
|
|
|
|
|
|
|
|
|
Function FStat(var F:Text;Var Info:stat):Boolean;
|
|
{
|
|
Get all information on a text file, and return it in info.
|
|
}
|
|
begin
|
|
FStat:=Fstat(TextRec(F).Handle,INfo);
|
|
end;
|
|
|
|
|
|
|
|
Function FStat(var F:File;Var Info:stat):Boolean;
|
|
{
|
|
Get all information on a untyped file, and return it in info.
|
|
}
|
|
begin
|
|
FStat:=Fstat(FileRec(F).Handle,Info);
|
|
end;
|
|
|
|
Function SymLink(OldPath,newPath:pathstr):boolean;
|
|
{
|
|
Proceduces a soft link from new to old.
|
|
}
|
|
begin
|
|
oldpath:=oldpath+#0;
|
|
newpath:=newpath+#0;
|
|
Symlink:=Sys_symlink(pchar(@(oldpath[1])),pchar(@(newpath[1])))=0;
|
|
linuxerror:=errno;
|
|
end;
|
|
|
|
|
|
Function ReadLink(name,linkname:pchar;maxlen:longint):longint;
|
|
{
|
|
Read a link (where it points to)
|
|
}
|
|
begin
|
|
Readlink:=Sys_readlink(Name,LinkName,maxlen);
|
|
linuxerror:=errno;
|
|
end;
|
|
|
|
|
|
Function ReadLink(Name:pathstr):pathstr;
|
|
{
|
|
Read a link (where it points to)
|
|
}
|
|
var
|
|
LinkName : pathstr;
|
|
i : longint;
|
|
begin
|
|
Name:=Name+#0;
|
|
i:=ReadLink(@Name[1],@LinkName[1],high(linkname));
|
|
if i>0 then
|
|
begin
|
|
linkname[0]:=chr(i);
|
|
ReadLink:=LinkName;
|
|
end
|
|
else
|
|
ReadLink:='';
|
|
end;
|
|
|
|
|
|
Function UnLink(Path:pathstr):boolean;
|
|
{
|
|
Removes the file in 'Path' (that is, it decreases the link count with one.
|
|
if the link count is zero, the file is removed from the disk.
|
|
}
|
|
begin
|
|
path:=path+#0;
|
|
Unlink:=Sys_unlink(pchar(@(path[1])))=0;
|
|
linuxerror:=errno;
|
|
end;
|
|
|
|
|
|
Function UnLink(Path:pchar):Boolean;
|
|
{
|
|
Removes the file in 'Path' (that is, it decreases the link count with one.
|
|
if the link count is zero, the file is removed from the disk.
|
|
}
|
|
begin
|
|
Unlink:=(Sys_unlink(path)=0);
|
|
linuxerror:=errno;
|
|
end;
|
|
|
|
|
|
Function FRename (OldName,NewName : Pchar) : Boolean;
|
|
begin
|
|
FRename:=Sys_rename(OldName,NewName)=0;
|
|
LinuxError:=Errno;
|
|
end;
|
|
|
|
|
|
Function FRename (OldName,NewName : String) : Boolean;
|
|
begin
|
|
OldName:=OldName+#0;
|
|
NewName:=NewName+#0;
|
|
FRename:=FRename (@OldName[1],@NewName[1]);
|
|
end;
|
|
|
|
Function Dup(var oldfile,newfile:text):Boolean;
|
|
{
|
|
Copies the filedescriptor oldfile to newfile, after flushing the buffer of
|
|
oldfile.
|
|
After which the two textfiles are, in effect, the same, except
|
|
that they don't share the same buffer, and don't share the same
|
|
close_on_exit flag.
|
|
}
|
|
begin
|
|
flush(oldfile);{ We cannot share buffers, so we flush them. }
|
|
textrec(newfile):=textrec(oldfile);
|
|
textrec(newfile).bufptr:=@(textrec(newfile).buffer);{ No shared buffer. }
|
|
Dup:=Dup(textrec(oldfile).handle,textrec(newfile).handle);
|
|
end;
|
|
|
|
|
|
Function Dup(var oldfile,newfile:file):Boolean;
|
|
{
|
|
Copies the filedescriptor oldfile to newfile
|
|
}
|
|
begin
|
|
filerec(newfile):=filerec(oldfile);
|
|
Dup:=Dup(filerec(oldfile).handle,filerec(newfile).handle);
|
|
end;
|
|
|
|
|
|
|
|
Function Dup2(var oldfile,newfile:text):Boolean;
|
|
{
|
|
Copies the filedescriptor oldfile to newfile, after flushing the buffer of
|
|
oldfile. It closes newfile if it was still open.
|
|
After which the two textfiles are, in effect, the same, except
|
|
that they don't share the same buffer, and don't share the same
|
|
close_on_exit flag.
|
|
}
|
|
var
|
|
tmphandle : word;
|
|
begin
|
|
case TextRec(oldfile).mode of
|
|
fmOutput, fmInOut, fmAppend :
|
|
flush(oldfile);{ We cannot share buffers, so we flush them. }
|
|
end;
|
|
case TextRec(newfile).mode of
|
|
fmOutput, fmInOut, fmAppend :
|
|
flush(newfile);
|
|
end;
|
|
tmphandle:=textrec(newfile).handle;
|
|
textrec(newfile):=textrec(oldfile);
|
|
textrec(newfile).handle:=tmphandle;
|
|
textrec(newfile).bufptr:=@(textrec(newfile).buffer);{ No shared buffer. }
|
|
Dup2:=Dup2(textrec(oldfile).handle,textrec(newfile).handle);
|
|
end;
|
|
|
|
|
|
Function Dup2(var oldfile,newfile:file):Boolean;
|
|
{
|
|
Copies the filedescriptor oldfile to newfile
|
|
}
|
|
begin
|
|
filerec(newfile):=filerec(oldfile);
|
|
Dup2:=Dup2(filerec(oldfile).handle,filerec(newfile).handle);
|
|
end;
|
|
|
|
|
|
|
|
Function Select(N:longint;readfds,writefds,exceptfds:PFDSet;TimeOut:Longint):longint;
|
|
{
|
|
Select checks whether the file descriptor sets in readfs/writefs/exceptfs
|
|
have changed.
|
|
This function allows specification of a timeout as a longint.
|
|
}
|
|
var
|
|
p : PTimeVal;
|
|
tv : TimeVal;
|
|
begin
|
|
if TimeOut=-1 then
|
|
p:=nil
|
|
else
|
|
begin
|
|
tv.Sec:=Timeout div 1000;
|
|
tv.Usec:=(Timeout mod 1000)*1000;
|
|
p:=@tv;
|
|
end;
|
|
Select:=Select(N,Readfds,WriteFds,ExceptFds,p);
|
|
end;
|
|
|
|
|
|
|
|
Function SelectText(var T:Text;TimeOut :PTimeval):Longint;
|
|
Var
|
|
F:FDSet;
|
|
begin
|
|
if textrec(t).mode=fmclosed then
|
|
begin
|
|
LinuxError:=Sys_EBADF;
|
|
exit(-1);
|
|
end;
|
|
FD_Zero(f);
|
|
FD_Set(textrec(T).handle,f);
|
|
if textrec(T).mode=fminput then
|
|
SelectText:=select(textrec(T).handle+1,@f,nil,nil,TimeOut)
|
|
else
|
|
SelectText:=select(textrec(T).handle+1,nil,@f,nil,TimeOut);
|
|
end;
|
|
|
|
|
|
Function SelectText(var T:Text;TimeOut :Longint):Longint;
|
|
var
|
|
p : PTimeVal;
|
|
tv : TimeVal;
|
|
begin
|
|
if TimeOut=-1 then
|
|
p:=nil
|
|
else
|
|
begin
|
|
tv.Sec:=Timeout div 1000;
|
|
tv.Usec:=(Timeout mod 1000)*1000;
|
|
p:=@tv;
|
|
end;
|
|
SelectText:=SelectText(T,p);
|
|
end;
|
|
|
|
|
|
{******************************************************************************
|
|
Directory
|
|
******************************************************************************}
|
|
|
|
Function OpenDir(F:String):PDir;
|
|
begin
|
|
F:=F+#0;
|
|
OpenDir:=OpenDir(@F[1]);
|
|
LinuxError:=ErrNo;
|
|
end;
|
|
|
|
{$ifndef newreaddir}
|
|
procedure SeekDir(p:pdir;off:longint);
|
|
begin
|
|
if p=nil then
|
|
begin
|
|
errno:=Sys_EBADF;
|
|
exit;
|
|
end;
|
|
{$ifndef bsd}
|
|
p^.nextoff:=Sys_lseek(p^.fd,off,seek_set);
|
|
{$endif}
|
|
p^.size:=0;
|
|
p^.loc:=0;
|
|
end;
|
|
|
|
function TellDir(p:pdir):longint;
|
|
begin
|
|
if p=nil then
|
|
begin
|
|
errno:=Sys_EBADF;
|
|
telldir:=-1;
|
|
exit;
|
|
end;
|
|
telldir:=Sys_lseek(p^.fd,0,seek_cur)
|
|
{ We could try to use the nextoff field here, but on my 1.2.13
|
|
kernel, this gives nothing... This may have to do with
|
|
the readdir implementation of libc... I also didn't find any trace of
|
|
the field in the kernel code itself, So I suspect it is an artifact of libc.
|
|
Michael. }
|
|
end;
|
|
{$endif}
|
|
|
|
Function ReadDir(P:pdir):pdirent;
|
|
begin
|
|
ReadDir:=Sys_ReadDir(p);
|
|
LinuxError:=Errno;
|
|
end;
|
|
|
|
|
|
{******************************************************************************
|
|
Pipes/Fifo
|
|
******************************************************************************}
|
|
|
|
Procedure OpenPipe(var F:Text);
|
|
begin
|
|
case textrec(f).mode of
|
|
fmoutput :
|
|
if textrec(f).userdata[1]<>P_OUT then
|
|
textrec(f).mode:=fmclosed;
|
|
fminput :
|
|
if textrec(f).userdata[1]<>P_IN then
|
|
textrec(f).mode:=fmclosed;
|
|
else
|
|
textrec(f).mode:=fmclosed;
|
|
end;
|
|
end;
|
|
|
|
|
|
Procedure IOPipe(var F:text);
|
|
begin
|
|
case textrec(f).mode of
|
|
fmoutput :
|
|
begin
|
|
{ first check if we need something to write, else we may
|
|
get a SigPipe when Close() is called (PFV) }
|
|
if textrec(f).bufpos>0 then
|
|
Sys_write(textrec(f).handle,pchar(textrec(f).bufptr),textrec(f).bufpos);
|
|
end;
|
|
fminput :
|
|
textrec(f).bufend:=Sys_read(textrec(f).handle,pchar(textrec(f).bufptr),textrec(f).bufsize);
|
|
end;
|
|
textrec(f).bufpos:=0;
|
|
end;
|
|
|
|
|
|
Procedure FlushPipe(var F:Text);
|
|
begin
|
|
if (textrec(f).mode=fmoutput) and (textrec(f).bufpos<>0) then
|
|
IOPipe(f);
|
|
textrec(f).bufpos:=0;
|
|
end;
|
|
|
|
|
|
Procedure ClosePipe(var F:text);
|
|
begin
|
|
textrec(f).mode:=fmclosed;
|
|
Sys_close(textrec(f).handle);
|
|
end;
|
|
|
|
|
|
Function AssignPipe(var pipe_in,pipe_out:text):boolean;
|
|
{
|
|
Sets up a pair of file variables, which act as a pipe. The first one can
|
|
be read from, the second one can be written to.
|
|
If the operation was unsuccesful, linuxerror is set.
|
|
}
|
|
var
|
|
f_in,f_out : longint;
|
|
begin
|
|
if not AssignPipe(f_in,f_out) then
|
|
begin
|
|
AssignPipe:=false;
|
|
exit;
|
|
end;
|
|
{ Set up input }
|
|
Assign(Pipe_in,'');
|
|
Textrec(Pipe_in).Handle:=f_in;
|
|
Textrec(Pipe_in).Mode:=fmInput;
|
|
Textrec(Pipe_in).userdata[1]:=P_IN;
|
|
TextRec(Pipe_in).OpenFunc:=@OpenPipe;
|
|
TextRec(Pipe_in).InOutFunc:=@IOPipe;
|
|
TextRec(Pipe_in).FlushFunc:=@FlushPipe;
|
|
TextRec(Pipe_in).CloseFunc:=@ClosePipe;
|
|
{ Set up output }
|
|
Assign(Pipe_out,'');
|
|
Textrec(Pipe_out).Handle:=f_out;
|
|
Textrec(Pipe_out).Mode:=fmOutput;
|
|
Textrec(Pipe_out).userdata[1]:=P_OUT;
|
|
TextRec(Pipe_out).OpenFunc:=@OpenPipe;
|
|
TextRec(Pipe_out).InOutFunc:=@IOPipe;
|
|
TextRec(Pipe_out).FlushFunc:=@FlushPipe;
|
|
TextRec(Pipe_out).CloseFunc:=@ClosePipe;
|
|
AssignPipe:=true;
|
|
end;
|
|
|
|
|
|
Function AssignPipe(var pipe_in,pipe_out:file):boolean;
|
|
{
|
|
Sets up a pair of file variables, which act as a pipe. The first one can
|
|
be read from, the second one can be written to.
|
|
If the operation was unsuccesful, linuxerror is set.
|
|
}
|
|
var
|
|
f_in,f_out : longint;
|
|
begin
|
|
if not AssignPipe(f_in,f_out) then
|
|
begin
|
|
AssignPipe:=false;
|
|
exit;
|
|
end;
|
|
{ Set up input }
|
|
Assign(Pipe_in,'');
|
|
Filerec(Pipe_in).Handle:=f_in;
|
|
Filerec(Pipe_in).Mode:=fmInput;
|
|
Filerec(Pipe_in).recsize:=1;
|
|
Filerec(Pipe_in).userdata[1]:=P_IN;
|
|
{ Set up output }
|
|
Assign(Pipe_out,'');
|
|
Filerec(Pipe_out).Handle:=f_out;
|
|
Filerec(Pipe_out).Mode:=fmoutput;
|
|
Filerec(Pipe_out).recsize:=1;
|
|
Filerec(Pipe_out).userdata[1]:=P_OUT;
|
|
AssignPipe:=true;
|
|
end;
|
|
|
|
Procedure PCloseText(Var F:text);
|
|
{
|
|
May not use @PClose due overloading
|
|
}
|
|
begin
|
|
PClose(f);
|
|
end;
|
|
|
|
|
|
|
|
Procedure POpen(var F:text;const Prog:String;rw:char);
|
|
{
|
|
Starts the program in 'Prog' and makes it's input or out put the
|
|
other end of a pipe. If rw is 'w' or 'W', then whatever is written to
|
|
F, will be read from stdin by the program in 'Prog'. The inverse is true
|
|
for 'r' or 'R' : whatever the program in 'Prog' writes to stdout, can be
|
|
read from 'f'.
|
|
}
|
|
var
|
|
pipi,
|
|
pipo : text;
|
|
pid : longint;
|
|
pl : ^longint;
|
|
pp : ppchar;
|
|
begin
|
|
LinuxError:=0;
|
|
rw:=upcase(rw);
|
|
if not (rw in ['R','W']) then
|
|
begin
|
|
LinuxError:=Sys_enoent;
|
|
exit;
|
|
end;
|
|
AssignPipe(pipi,pipo);
|
|
if Linuxerror<>0 then
|
|
exit;
|
|
pid:=fork;
|
|
if linuxerror<>0 then
|
|
begin
|
|
close(pipi);
|
|
close(pipo);
|
|
exit;
|
|
end;
|
|
if pid=0 then
|
|
begin
|
|
{$ifdef BSD} // FreeBSD checked only
|
|
{ We're in the child }
|
|
close(pipi);
|
|
if textrec(pipo).handle<>textrec(output).handle Then
|
|
begin
|
|
dup2(textrec(pipo).handle,textrec(output).handle);
|
|
if rw='W' Then
|
|
dup2(textrec(output).handle,textrec(input).handle);
|
|
end
|
|
else
|
|
if (rw='W') and (textrec(pipi).handle<>textrec(input).handle) then
|
|
dup2(textrec(output).handle,textrec(input).handle);
|
|
close(pipo);
|
|
if linuxerror<>0 then
|
|
halt(127);
|
|
pp:=createshellargv(prog);
|
|
Execve(pp^,pp,envp);
|
|
halt(127);
|
|
end
|
|
{$else}
|
|
{ We're in the child }
|
|
if rw='W' then
|
|
begin
|
|
close(pipo);
|
|
dup2(pipi,input);
|
|
close(pipi);
|
|
if linuxerror<>0 then
|
|
halt(127);
|
|
end
|
|
else
|
|
begin
|
|
close(pipi);
|
|
dup2(pipo,output);
|
|
close(pipo);
|
|
if linuxerror<>0 then
|
|
halt(127);
|
|
end;
|
|
pp:=createshellargv(prog);
|
|
Execve(pp^,pp,envp);
|
|
halt(127);
|
|
end
|
|
{$endif}
|
|
else
|
|
begin
|
|
{ We're in the parent }
|
|
if rw='W' then
|
|
begin
|
|
close(pipi);
|
|
f:=pipo;
|
|
textrec(f).bufptr:=@textrec(f).buffer;
|
|
end
|
|
else
|
|
begin
|
|
close(pipo);
|
|
f:=pipi;
|
|
textrec(f).bufptr:=@textrec(f).buffer;
|
|
end;
|
|
{Save the process ID - needed when closing }
|
|
pl:=plongint(@(textrec(f).userdata[2]));
|
|
pl^:=pid;
|
|
textrec(f).closefunc:=@PCloseText;
|
|
end;
|
|
end;
|
|
|
|
|
|
Procedure POpen(var F:file;const Prog:String;rw:char);
|
|
{
|
|
Starts the program in 'Prog' and makes it's input or out put the
|
|
other end of a pipe. If rw is 'w' or 'W', then whatever is written to
|
|
F, will be read from stdin by the program in 'Prog'. The inverse is true
|
|
for 'r' or 'R' : whatever the program in 'Prog' writes to stdout, can be
|
|
read from 'f'.
|
|
}
|
|
var
|
|
pipi,
|
|
pipo : file;
|
|
pid : longint;
|
|
pl : ^longint;
|
|
p,pp : ppchar;
|
|
temp : string[255];
|
|
begin
|
|
LinuxError:=0;
|
|
rw:=upcase(rw);
|
|
if not (rw in ['R','W']) then
|
|
begin
|
|
LinuxError:=Sys_enoent;
|
|
exit;
|
|
end;
|
|
AssignPipe(pipi,pipo);
|
|
if Linuxerror<>0 then
|
|
exit;
|
|
pid:=fork;
|
|
if linuxerror<>0 then
|
|
begin
|
|
close(pipi);
|
|
close(pipo);
|
|
exit;
|
|
end;
|
|
if pid=0 then
|
|
begin
|
|
{ We're in the child }
|
|
if rw='W' then
|
|
begin
|
|
close(pipo);
|
|
dup2(filerec(pipi).handle,stdinputhandle);
|
|
close(pipi);
|
|
if linuxerror<>0 then
|
|
halt(127);
|
|
end
|
|
else
|
|
begin
|
|
close(pipi);
|
|
dup2(filerec(pipo).handle,stdoutputhandle);
|
|
close(pipo);
|
|
if linuxerror<>0 then
|
|
halt(127);
|
|
end;
|
|
getmem(pp,sizeof(pchar)*4);
|
|
temp:='/bin/sh'#0'-c'#0+prog+#0;
|
|
p:=pp;
|
|
p^:=@temp[1];
|
|
inc(p);
|
|
p^:=@temp[9];
|
|
inc(p);
|
|
p^:=@temp[12];
|
|
inc(p);
|
|
p^:=Nil;
|
|
Execve('/bin/sh',pp,envp);
|
|
halt(127);
|
|
end
|
|
else
|
|
begin
|
|
{ We're in the parent }
|
|
if rw='W' then
|
|
begin
|
|
close(pipi);
|
|
f:=pipo;
|
|
end
|
|
else
|
|
begin
|
|
close(pipo);
|
|
f:=pipi;
|
|
end;
|
|
{Save the process ID - needed when closing }
|
|
pl:=plongint(@(filerec(f).userdata[2]));
|
|
pl^:=pid;
|
|
end;
|
|
end;
|
|
|
|
|
|
Function AssignStream(Var StreamIn,Streamout:text;Const Prog:String) : longint;
|
|
{
|
|
Starts the program in 'Prog' and makes its input and output the
|
|
other end of two pipes, which are the stdin and stdout of a program
|
|
specified in 'Prog'.
|
|
streamout can be used to write to the program, streamin can be used to read
|
|
the output of the program. See the following diagram :
|
|
Parent Child
|
|
STreamout --> Input
|
|
Streamin <-- Output
|
|
Return value is the process ID of the process being spawned, or -1 in case of failure.
|
|
}
|
|
var
|
|
pipi,
|
|
pipo : text;
|
|
pid : longint;
|
|
pl : ^Longint;
|
|
begin
|
|
LinuxError:=0;
|
|
AssignStream:=-1;
|
|
AssignPipe(streamin,pipo);
|
|
if Linuxerror<>0 then
|
|
exit;
|
|
AssignPipe(pipi,streamout);
|
|
if Linuxerror<>0 then
|
|
exit;
|
|
pid:=fork;
|
|
if linuxerror<>0 then
|
|
begin
|
|
close(pipi);
|
|
close(pipo);
|
|
close (streamin);
|
|
close (streamout);
|
|
exit;
|
|
end;
|
|
if pid=0 then
|
|
begin
|
|
{ We're in the child }
|
|
{ Close what we don't need }
|
|
close(streamout);
|
|
close(streamin);
|
|
dup2(pipi,input);
|
|
if linuxerror<>0 then
|
|
halt(127);
|
|
close(pipi);
|
|
dup2(pipo,output);
|
|
if linuxerror<>0 then
|
|
halt (127);
|
|
close(pipo);
|
|
Execl(Prog);
|
|
halt(127);
|
|
end
|
|
else
|
|
begin
|
|
{ we're in the parent}
|
|
close(pipo);
|
|
close(pipi);
|
|
{Save the process ID - needed when closing }
|
|
pl:=plongint(@(textrec(StreamIn).userdata[2]));
|
|
pl^:=pid;
|
|
textrec(StreamIn).closefunc:=@PCloseText;
|
|
{Save the process ID - needed when closing }
|
|
pl:=plongint(@(textrec(StreamOut).userdata[2]));
|
|
pl^:=pid;
|
|
textrec(StreamOut).closefunc:=@PCloseText;
|
|
AssignStream:=Pid;
|
|
end;
|
|
end;
|
|
|
|
|
|
function AssignStream(var StreamIn, StreamOut, StreamErr: Text; const prog: String): LongInt;
|
|
{
|
|
Starts the program in 'prog' and makes its input, output and error output the
|
|
other end of three pipes, which are the stdin, stdout and stderr of a program
|
|
specified in 'prog'.
|
|
StreamOut can be used to write to the program, StreamIn can be used to read
|
|
the output of the program, StreamErr reads the error output of the program.
|
|
See the following diagram :
|
|
Parent Child
|
|
StreamOut --> StdIn (input)
|
|
StreamIn <-- StdOut (output)
|
|
StreamErr <-- StdErr (error output)
|
|
}
|
|
var
|
|
PipeIn, PipeOut, PipeErr: text;
|
|
pid: LongInt;
|
|
pl: ^LongInt;
|
|
begin
|
|
LinuxError := 0;
|
|
AssignStream := -1;
|
|
|
|
// Assign pipes
|
|
AssignPipe(StreamIn, PipeOut);
|
|
if LinuxError <> 0 then exit;
|
|
|
|
AssignPipe(StreamErr, PipeErr);
|
|
if LinuxError <> 0 then begin
|
|
Close(StreamIn);
|
|
Close(PipeOut);
|
|
exit;
|
|
end;
|
|
|
|
AssignPipe(PipeIn, StreamOut);
|
|
if LinuxError <> 0 then begin
|
|
Close(StreamIn);
|
|
Close(PipeOut);
|
|
Close(StreamErr);
|
|
Close(PipeErr);
|
|
exit;
|
|
end;
|
|
|
|
// Fork
|
|
|
|
pid := Fork;
|
|
if LinuxError <> 0 then begin
|
|
Close(StreamIn);
|
|
Close(PipeOut);
|
|
Close(StreamErr);
|
|
Close(PipeErr);
|
|
Close(PipeIn);
|
|
Close(StreamOut);
|
|
exit;
|
|
end;
|
|
|
|
if pid = 0 then begin
|
|
// *** We are in the child ***
|
|
// Close what we don not need
|
|
Close(StreamOut);
|
|
Close(StreamIn);
|
|
Close(StreamErr);
|
|
// Connect pipes
|
|
dup2(PipeIn, Input);
|
|
if LinuxError <> 0 then Halt(127);
|
|
Close(PipeIn);
|
|
dup2(PipeOut, Output);
|
|
if LinuxError <> 0 then Halt(127);
|
|
Close(PipeOut);
|
|
dup2(PipeErr, StdErr);
|
|
if LinuxError <> 0 then Halt(127);
|
|
Close(PipeErr);
|
|
// Execute program
|
|
Execl(Prog);
|
|
Halt(127);
|
|
end else begin
|
|
// *** We are in the parent ***
|
|
Close(PipeErr);
|
|
Close(PipeOut);
|
|
Close(PipeIn);
|
|
// Save the process ID - needed when closing
|
|
pl := plongint(@(TextRec(StreamIn).userdata[2]));
|
|
pl^ := pid;
|
|
TextRec(StreamIn).closefunc := @PCloseText;
|
|
// Save the process ID - needed when closing
|
|
pl := plongint(@(TextRec(StreamOut).userdata[2]));
|
|
pl^ := pid;
|
|
TextRec(StreamOut).closefunc := @PCloseText;
|
|
// Save the process ID - needed when closing
|
|
pl := plongint(@(TextRec(StreamErr).userdata[2]));
|
|
pl^ := pid;
|
|
TextRec(StreamErr).closefunc := @PCloseText;
|
|
AssignStream := pid;
|
|
end;
|
|
end;
|
|
|
|
|
|
{******************************************************************************
|
|
General information calls
|
|
******************************************************************************}
|
|
|
|
|
|
Function GetEnv(P:string):Pchar;
|
|
{
|
|
Searches the environment for a string with name p and
|
|
returns a pchar to it's value.
|
|
A pchar is used to accomodate for strings of length > 255
|
|
}
|
|
var
|
|
ep : ppchar;
|
|
found : boolean;
|
|
Begin
|
|
p:=p+'='; {Else HOST will also find HOSTNAME, etc}
|
|
ep:=envp;
|
|
found:=false;
|
|
if ep<>nil then
|
|
begin
|
|
while (not found) and (ep^<>nil) do
|
|
begin
|
|
if strlcomp(@p[1],(ep^),length(p))=0 then
|
|
found:=true
|
|
else
|
|
inc(ep);
|
|
end;
|
|
end;
|
|
if found then
|
|
getenv:=ep^+length(p)
|
|
else
|
|
getenv:=nil;
|
|
end;
|
|
|
|
|
|
{$ifndef bsd}
|
|
Function GetDomainName:String;
|
|
{
|
|
Get machines domain name. Returns empty string if not set.
|
|
}
|
|
Var
|
|
Sysn : utsname;
|
|
begin
|
|
Uname(Sysn);
|
|
linuxerror:=errno;
|
|
If linuxerror<>0 then
|
|
getdomainname:=''
|
|
else
|
|
getdomainname:=strpas(@Sysn.domainname[0]);
|
|
end;
|
|
|
|
|
|
|
|
Function GetHostName:String;
|
|
{
|
|
Get machines name. Returns empty string if not set.
|
|
}
|
|
Var
|
|
Sysn : utsname;
|
|
begin
|
|
uname(Sysn);
|
|
linuxerror:=errno;
|
|
If linuxerror<>0 then
|
|
gethostname:=''
|
|
else
|
|
gethostname:=strpas(@Sysn.nodename[0]);
|
|
end;
|
|
{$endif}
|
|
|
|
{******************************************************************************
|
|
Signal handling calls
|
|
******************************************************************************}
|
|
|
|
procedure SigRaise(sig:integer);
|
|
begin
|
|
Kill(GetPid,Sig);
|
|
end;
|
|
|
|
|
|
{******************************************************************************
|
|
IOCtl and Termios calls
|
|
******************************************************************************}
|
|
|
|
|
|
Function TCGetAttr(fd:longint;var tios:TermIOS):boolean;
|
|
begin
|
|
{$ifndef BSD}
|
|
TCGetAttr:=IOCtl(fd,TCGETS,@tios);
|
|
{$else}
|
|
TCGETAttr:=IoCtl(Fd,TIOCGETA,@tios);
|
|
{$endif}
|
|
end;
|
|
|
|
|
|
|
|
Function TCSetAttr(fd:longint;OptAct:longint;const tios:TermIOS):boolean;
|
|
var
|
|
nr:longint;
|
|
begin
|
|
{$ifndef BSD}
|
|
case OptAct of
|
|
TCSANOW : nr:=TCSETS;
|
|
TCSADRAIN : nr:=TCSETSW;
|
|
TCSAFLUSH : nr:=TCSETSF;
|
|
{$else}
|
|
case OptAct of
|
|
TCSANOW : nr:=TIOCSETA;
|
|
TCSADRAIN : nr:=TIOCSETAW;
|
|
TCSAFLUSH : nr:=TIOCSETAF;
|
|
{$endif}
|
|
else
|
|
begin
|
|
ErrNo:=Sys_EINVAL;
|
|
TCSetAttr:=false;
|
|
exit;
|
|
end;
|
|
end;
|
|
TCSetAttr:=IOCtl(fd,nr,@Tios);
|
|
end;
|
|
|
|
|
|
|
|
Procedure CFSetISpeed(var tios:TermIOS;speed:Cardinal);
|
|
begin
|
|
{$ifndef BSD}
|
|
tios.c_cflag:=Cardinal(tios.c_cflag and cardinal(not CBAUD)) or speed;
|
|
{$else}
|
|
tios.c_ispeed:=speed; {Probably the Bxxxx speed constants}
|
|
{$endif}
|
|
end;
|
|
|
|
|
|
|
|
Procedure CFSetOSpeed(var tios:TermIOS;speed:Cardinal);
|
|
begin
|
|
{$ifndef BSD}
|
|
CFSetISpeed(tios,speed);
|
|
{$else}
|
|
tios.c_ospeed:=speed;
|
|
{$endif}
|
|
end;
|
|
|
|
|
|
|
|
|
|
Procedure CFMakeRaw(var tios:TermIOS);
|
|
begin
|
|
{$ifndef BSD}
|
|
with tios do
|
|
begin
|
|
c_iflag:=c_iflag and cardinal(not (IGNBRK or BRKINT or PARMRK or ISTRIP or
|
|
INLCR or IGNCR or ICRNL or IXON));
|
|
c_oflag:=c_oflag and cardinal(not OPOST);
|
|
c_lflag:=c_lflag and cardinal(not (ECHO or ECHONL or ICANON or ISIG or IEXTEN));
|
|
c_cflag:=(c_cflag and cardinal(not (CSIZE or PARENB))) or CS8;
|
|
end;
|
|
{$else}
|
|
with tios do
|
|
begin
|
|
c_iflag:=c_iflag and (not (IMAXBEL or IXOFF or INPCK or BRKINT or
|
|
PARMRK or ISTRIP or INLCR or IGNCR or ICRNL or IXON or
|
|
IGNPAR));
|
|
c_iflag:=c_iflag OR IGNBRK;
|
|
c_oflag:=c_oflag and (not OPOST);
|
|
c_lflag:=c_lflag and (not (ECHO or ECHOE or ECHOK or ECHONL or ICANON or
|
|
ISIG or IEXTEN or NOFLSH or TOSTOP or PENDIN));
|
|
c_cflag:=(c_cflag and (not (CSIZE or PARENB))) or (CS8 OR cread);
|
|
c_cc[VMIN]:=1;
|
|
c_cc[VTIME]:=0;
|
|
end;
|
|
{$endif}
|
|
end;
|
|
|
|
|
|
Function TCSendBreak(fd,duration:longint):boolean;
|
|
begin
|
|
{$ifndef BSD}
|
|
TCSendBreak:=IOCtl(fd,TCSBRK,pointer(duration));
|
|
{$else}
|
|
TCSendBreak:=IOCtl(fd,TIOCSBRK,0);
|
|
{$endif}
|
|
end;
|
|
|
|
|
|
|
|
Function TCSetPGrp(fd,id:longint):boolean;
|
|
begin
|
|
TCSetPGrp:=IOCtl(fd,TIOCSPGRP,pointer(id));
|
|
end;
|
|
|
|
|
|
|
|
Function TCGetPGrp(fd:longint;var id:longint):boolean;
|
|
begin
|
|
TCGetPGrp:=IOCtl(fd,TIOCGPGRP,@id);
|
|
end;
|
|
|
|
|
|
Function TCDrain(fd:longint):boolean;
|
|
begin
|
|
{$ifndef BSD}
|
|
TCDrain:=IOCtl(fd,TCSBRK,pointer(1));
|
|
{$else}
|
|
TCDrain:=IOCtl(fd,TIOCDRAIN,0); {Should set timeout to 1 first?}
|
|
{$endif}
|
|
end;
|
|
|
|
|
|
|
|
Function TCFlow(fd,act:longint):boolean;
|
|
begin
|
|
{$ifndef BSD}
|
|
TCFlow:=IOCtl(fd,TCXONC,pointer(act));
|
|
{$else}
|
|
case act OF
|
|
TCOOFF : TCFlow:=Ioctl(fd,TIOCSTOP,0);
|
|
TCOOn : TCFlow:=IOctl(Fd,TIOCStart,0);
|
|
TCIOFF : {N/I}
|
|
end;
|
|
{$endif}
|
|
end;
|
|
|
|
|
|
|
|
Function TCFlush(fd,qsel:longint):boolean;
|
|
|
|
begin
|
|
{$ifndef BSD}
|
|
TCFlush:=IOCtl(fd,TCFLSH,pointer(qsel));
|
|
{$else}
|
|
TCFlush:=IOCtl(fd,TIOCFLUSH,pointer(qsel));
|
|
{$endif}
|
|
end;
|
|
|
|
Function IsATTY(Handle:Longint):Boolean;
|
|
{
|
|
Check if the filehandle described by 'handle' is a TTY (Terminal)
|
|
}
|
|
var
|
|
t : Termios;
|
|
begin
|
|
IsAtty:=TCGetAttr(Handle,t);
|
|
end;
|
|
|
|
|
|
|
|
Function IsATTY(var f: text):Boolean;
|
|
{
|
|
Idem as previous, only now for text variables.
|
|
}
|
|
begin
|
|
IsATTY:=IsaTTY(textrec(f).handle);
|
|
end;
|
|
|
|
|
|
|
|
function TTYName(Handle:Longint):string;
|
|
{
|
|
Return the name of the current tty described by handle f.
|
|
returns empty string in case of an error.
|
|
}
|
|
{$ifdef BSD}
|
|
var
|
|
mydev,
|
|
myino : cardinal;
|
|
{$else not BSD}
|
|
var
|
|
mydev,
|
|
myino : longint;
|
|
{$endif not BSD}
|
|
st : stat;
|
|
|
|
function mysearch(n:string): boolean;
|
|
{searches recursively for the device in the directory given by n,
|
|
returns true if found and sets the name of the device in ttyname}
|
|
var dirstream : pdir;
|
|
d : pdirent;
|
|
name : string;
|
|
st : stat;
|
|
begin
|
|
dirstream:=opendir(n);
|
|
if (linuxerror<>0) then
|
|
exit;
|
|
d:=Readdir(dirstream);
|
|
while (d<>nil) do
|
|
begin
|
|
name:=n+'/'+strpas(@(d^.name[0]));
|
|
fstat(name,st);
|
|
if linuxerror=0 then
|
|
begin
|
|
if ((st.mode and $E000)=$4000) and { if it is a directory }
|
|
(strpas(@(d^.name[0]))<>'.') and { but not ., .. and fd subdirs }
|
|
(strpas(@(d^.name[0]))<>'..') and
|
|
(strpas(@(d^.name[0]))<>'') and
|
|
(strpas(@(d^.name[0]))<>'fd') then
|
|
begin {we found a directory, search inside it}
|
|
if mysearch(name) then
|
|
begin {the device is here}
|
|
closedir(dirstream); {then don't continue searching}
|
|
mysearch:=true;
|
|
exit;
|
|
end;
|
|
end
|
|
else if (d^.ino=myino) and (st.dev=mydev) then
|
|
begin
|
|
closedir(dirstream);
|
|
ttyname:=name;
|
|
mysearch:=true;
|
|
exit;
|
|
end;
|
|
end;
|
|
d:=Readdir(dirstream);
|
|
end;
|
|
closedir(dirstream);
|
|
mysearch:=false;
|
|
end;
|
|
|
|
begin
|
|
TTYName:='';
|
|
fstat(handle,st);
|
|
if (errno<>0) and isatty (handle) then
|
|
exit;
|
|
mydev:=st.dev;
|
|
myino:=st.ino;
|
|
mysearch('/dev');
|
|
end;
|
|
|
|
function TTYName(var F:Text):string;
|
|
{
|
|
Idem as previous, only now for text variables;
|
|
}
|
|
begin
|
|
TTYName:=TTYName(textrec(f).handle);
|
|
end;
|
|
|
|
|
|
|
|
{******************************************************************************
|
|
Utility calls
|
|
******************************************************************************}
|
|
|
|
Function Octal(l:longint):longint;
|
|
{
|
|
Convert an octal specified number to decimal;
|
|
}
|
|
var
|
|
octnr,
|
|
oct : longint;
|
|
begin
|
|
octnr:=0;
|
|
oct:=0;
|
|
while (l>0) do
|
|
begin
|
|
oct:=oct or ((l mod 10) shl octnr);
|
|
l:=l div 10;
|
|
inc(octnr,3);
|
|
end;
|
|
Octal:=oct;
|
|
end;
|
|
|
|
Function StringToPPChar(S: PChar):ppchar;
|
|
var
|
|
nr : longint;
|
|
Buf : ^char;
|
|
p : ppchar;
|
|
|
|
begin
|
|
buf:=s;
|
|
nr:=0;
|
|
while(buf^<>#0) do
|
|
begin
|
|
while (buf^ in [' ',#9,#10]) do
|
|
inc(buf);
|
|
inc(nr);
|
|
while not (buf^ in [' ',#0,#9,#10]) do
|
|
inc(buf);
|
|
end;
|
|
getmem(p,(nr+1)*4);
|
|
StringToPPChar:=p;
|
|
if p=nil then
|
|
begin
|
|
LinuxError:=sys_enomem;
|
|
exit;
|
|
end;
|
|
buf:=s;
|
|
while (buf^<>#0) do
|
|
begin
|
|
while (buf^ in [' ',#9,#10]) do
|
|
begin
|
|
buf^:=#0;
|
|
inc(buf);
|
|
end;
|
|
p^:=buf;
|
|
inc(p);
|
|
p^:=nil;
|
|
while not (buf^ in [' ',#0,#9,#10]) do
|
|
inc(buf);
|
|
end;
|
|
end;
|
|
|
|
Function StringToPPChar(Var S:String):ppchar;
|
|
{
|
|
Create a PPChar to structure of pchars which are the arguments specified
|
|
in the string S. Especially usefull for creating an ArgV for Exec-calls
|
|
Note that the string S is destroyed by this call.
|
|
}
|
|
|
|
begin
|
|
S:=S+#0;
|
|
StringToPPChar:=StringToPPChar(@S[1]);
|
|
end;
|
|
|
|
Function StringToPPChar(Var S:AnsiString):ppchar;
|
|
{
|
|
Create a PPChar to structure of pchars which are the arguments specified
|
|
in the string S. Especially usefull for creating an ArgV for Exec-calls
|
|
}
|
|
|
|
begin
|
|
StringToPPChar:=StringToPPChar(PChar(S));
|
|
end;
|
|
|
|
|
|
{
|
|
function FExpand (const Path: PathStr): PathStr;
|
|
- declared in fexpand.inc
|
|
}
|
|
|
|
{$DEFINE FPC_FEXPAND_TILDE} { Tilde is expanded to home }
|
|
{$DEFINE FPC_FEXPAND_GETENVPCHAR} { GetEnv result is a PChar }
|
|
|
|
const
|
|
LFNSupport = true;
|
|
FileNameCaseSensitive = true;
|
|
|
|
{$I fexpand.inc}
|
|
|
|
{$UNDEF FPC_FEXPAND_GETENVPCHAR}
|
|
{$UNDEF FPC_FEXPAND_TILDE}
|
|
|
|
|
|
|
|
Function FSearch(const path:pathstr;dirlist:string):pathstr;
|
|
{
|
|
Searches for a file 'path' in the list of direcories in 'dirlist'.
|
|
returns an empty string if not found. Wildcards are NOT allowed.
|
|
If dirlist is empty, it is set to '.'
|
|
}
|
|
Var
|
|
NewDir : PathStr;
|
|
p1 : Longint;
|
|
Info : Stat;
|
|
Begin
|
|
{Replace ':' with ';'}
|
|
for p1:=1to length(dirlist) do
|
|
if dirlist[p1]=':' then
|
|
dirlist[p1]:=';';
|
|
{Check for WildCards}
|
|
If (Pos('?',Path) <> 0) or (Pos('*',Path) <> 0) Then
|
|
FSearch:='' {No wildcards allowed in these things.}
|
|
Else
|
|
Begin
|
|
Dirlist:='.;'+dirlist;{Make sure current dir is first to be searched.}
|
|
Repeat
|
|
p1:=Pos(';',DirList);
|
|
If p1=0 Then
|
|
p1:=255;
|
|
NewDir:=Copy(DirList,1,P1 - 1);
|
|
if NewDir[Length(NewDir)]<>'/' then
|
|
NewDir:=NewDir+'/';
|
|
NewDir:=NewDir+Path;
|
|
Delete(DirList,1,p1);
|
|
if FStat(NewDir,Info) then
|
|
Begin
|
|
If Pos('./',NewDir)=1 Then
|
|
Delete(NewDir,1,2);
|
|
{DOS strips off an initial .\}
|
|
End
|
|
Else
|
|
NewDir:='';
|
|
Until (DirList='') or (Length(NewDir) > 0);
|
|
FSearch:=NewDir;
|
|
End;
|
|
End;
|
|
|
|
|
|
|
|
Procedure FSplit(const Path:PathStr;Var Dir:DirStr;Var Name:NameStr;Var Ext:ExtStr);
|
|
Var
|
|
DotPos,SlashPos,i : longint;
|
|
Begin
|
|
SlashPos:=0;
|
|
DotPos:=256;
|
|
i:=Length(Path);
|
|
While (i>0) and (SlashPos=0) Do
|
|
Begin
|
|
If (DotPos=256) and (Path[i]='.') Then
|
|
begin
|
|
DotPos:=i;
|
|
end;
|
|
If (Path[i]='/') Then
|
|
SlashPos:=i;
|
|
Dec(i);
|
|
End;
|
|
Ext:=Copy(Path,DotPos,255);
|
|
Dir:=Copy(Path,1,SlashPos);
|
|
Name:=Copy(Path,SlashPos + 1,DotPos - SlashPos - 1);
|
|
End;
|
|
|
|
|
|
|
|
Function Dirname(Const path:pathstr):pathstr;
|
|
{
|
|
This function returns the directory part of a complete path.
|
|
Unless the directory is root '/', The last character is not
|
|
a slash.
|
|
}
|
|
var
|
|
Dir : PathStr;
|
|
Name : NameStr;
|
|
Ext : ExtStr;
|
|
begin
|
|
FSplit(Path,Dir,Name,Ext);
|
|
if length(Dir)>1 then
|
|
Delete(Dir,length(Dir),1);
|
|
DirName:=Dir;
|
|
end;
|
|
|
|
|
|
|
|
Function Basename(Const path:pathstr;Const suf:pathstr):pathstr;
|
|
{
|
|
This function returns the filename part of a complete path. If suf is
|
|
supplied, it is cut off the filename.
|
|
}
|
|
var
|
|
Dir : PathStr;
|
|
Name : NameStr;
|
|
Ext : ExtStr;
|
|
begin
|
|
FSplit(Path,Dir,Name,Ext);
|
|
if Suf<>Ext then
|
|
Name:=Name+Ext;
|
|
BaseName:=Name;
|
|
end;
|
|
|
|
|
|
|
|
Function FNMatch(const Pattern,Name:string):Boolean;
|
|
Var
|
|
LenPat,LenName : longint;
|
|
|
|
Function DoFNMatch(i,j:longint):Boolean;
|
|
Var
|
|
Found : boolean;
|
|
Begin
|
|
Found:=true;
|
|
While Found and (i<=LenPat) Do
|
|
Begin
|
|
Case Pattern[i] of
|
|
'?' : Found:=(j<=LenName);
|
|
'*' : Begin
|
|
{find the next character in pattern, different of ? and *}
|
|
while Found and (i<LenPat) do
|
|
begin
|
|
inc(i);
|
|
case Pattern[i] of
|
|
'*' : ;
|
|
'?' : begin
|
|
inc(j);
|
|
Found:=(j<=LenName);
|
|
end;
|
|
else
|
|
Found:=false;
|
|
end;
|
|
end;
|
|
{Now, find in name the character which i points to, if the * or ?
|
|
wasn't the last character in the pattern, else, use up all the
|
|
chars in name}
|
|
Found:=true;
|
|
if (i<=LenPat) then
|
|
begin
|
|
repeat
|
|
{find a letter (not only first !) which maches pattern[i]}
|
|
while (j<=LenName) and (name[j]<>pattern[i]) do
|
|
inc (j);
|
|
if (j<LenName) then
|
|
begin
|
|
if DoFnMatch(i+1,j+1) then
|
|
begin
|
|
i:=LenPat;
|
|
j:=LenName;{we can stop}
|
|
Found:=true;
|
|
end
|
|
else
|
|
inc(j);{We didn't find one, need to look further}
|
|
end;
|
|
until (j>=LenName);
|
|
end
|
|
else
|
|
j:=LenName;{we can stop}
|
|
end;
|
|
else {not a wildcard character in pattern}
|
|
Found:=(j<=LenName) and (pattern[i]=name[j]);
|
|
end;
|
|
inc(i);
|
|
inc(j);
|
|
end;
|
|
DoFnMatch:=Found and (j>LenName);
|
|
end;
|
|
|
|
Begin {start FNMatch}
|
|
LenPat:=Length(Pattern);
|
|
LenName:=Length(Name);
|
|
FNMatch:=DoFNMatch(1,1);
|
|
End;
|
|
|
|
|
|
|
|
Procedure Globfree(var p : pglob);
|
|
{
|
|
Release memory occupied by pglob structure, and names in it.
|
|
sets p to nil.
|
|
}
|
|
var
|
|
temp : pglob;
|
|
begin
|
|
while assigned(p) do
|
|
begin
|
|
temp:=p^.next;
|
|
if assigned(p^.name) then
|
|
freemem(p^.name);
|
|
dispose(p);
|
|
p:=temp;
|
|
end;
|
|
end;
|
|
|
|
|
|
|
|
Function Glob(Const path:pathstr):pglob;
|
|
{
|
|
Fills a tglob structure with entries matching path,
|
|
and returns a pointer to it. Returns nil on error,
|
|
linuxerror is set accordingly.
|
|
}
|
|
var
|
|
temp,
|
|
temp2 : string[255];
|
|
thedir : pdir;
|
|
buffer : pdirent;
|
|
root,
|
|
current : pglob;
|
|
begin
|
|
{ Get directory }
|
|
temp:=dirname(path);
|
|
if temp='' then
|
|
temp:='.';
|
|
temp:=temp+#0;
|
|
thedir:=opendir(@temp[1]);
|
|
if thedir=nil then
|
|
begin
|
|
glob:=nil;
|
|
linuxerror:=errno;
|
|
exit;
|
|
end;
|
|
temp:=basename(path,''); { get the pattern }
|
|
if thedir^.fd<0 then
|
|
begin
|
|
linuxerror:=errno;
|
|
glob:=nil;
|
|
exit;
|
|
end;
|
|
{get the entries}
|
|
root:=nil;
|
|
current:=nil;
|
|
repeat
|
|
buffer:=Sys_readdir(thedir);
|
|
if buffer=nil then
|
|
break;
|
|
temp2:=strpas(@(buffer^.name[0]));
|
|
if fnmatch(temp,temp2) then
|
|
begin
|
|
if root=nil then
|
|
begin
|
|
new(root);
|
|
current:=root;
|
|
end
|
|
else
|
|
begin
|
|
new(current^.next);
|
|
current:=current^.next;
|
|
end;
|
|
if current=nil then
|
|
begin
|
|
linuxerror:=Sys_ENOMEM;
|
|
globfree(root);
|
|
break;
|
|
end;
|
|
current^.next:=nil;
|
|
getmem(current^.name,length(temp2)+1);
|
|
if current^.name=nil then
|
|
begin
|
|
linuxerror:=Sys_ENOMEM;
|
|
globfree(root);
|
|
break;
|
|
end;
|
|
move(buffer^.name[0],current^.name^,length(temp2)+1);
|
|
end;
|
|
until false;
|
|
closedir(thedir);
|
|
glob:=root;
|
|
end;
|
|
|
|
|
|
{--------------------------------
|
|
FiledescriptorSets
|
|
--------------------------------}
|
|
|
|
Procedure FD_Zero(var fds:fdSet);
|
|
{
|
|
Clear the set of filedescriptors
|
|
}
|
|
begin
|
|
FillChar(fds,sizeof(fdSet),0);
|
|
end;
|
|
|
|
|
|
|
|
Procedure FD_Clr(fd:longint;var fds:fdSet);
|
|
{
|
|
Remove fd from the set of filedescriptors
|
|
}
|
|
begin
|
|
fds[fd shr 5]:=fds[fd shr 5] and (not (1 shl (fd and 31)));
|
|
end;
|
|
|
|
|
|
|
|
Procedure FD_Set(fd:longint;var fds:fdSet);
|
|
{
|
|
Add fd to the set of filedescriptors
|
|
}
|
|
begin
|
|
fds[fd shr 5]:=fds[fd shr 5] or (1 shl (fd and 31));
|
|
end;
|
|
|
|
|
|
|
|
Function FD_IsSet(fd:longint;var fds:fdSet):boolean;
|
|
{
|
|
Test if fd is part of the set of filedescriptors
|
|
}
|
|
begin
|
|
FD_IsSet:=((fds[fd shr 5] and (1 shl (fd and 31)))<>0);
|
|
end;
|
|
|
|
|
|
|
|
Function GetFS (var T:Text):longint;
|
|
{
|
|
Get File Descriptor of a text file.
|
|
}
|
|
begin
|
|
if textrec(t).mode=fmclosed then
|
|
exit(-1)
|
|
else
|
|
GETFS:=textrec(t).Handle
|
|
end;
|
|
|
|
|
|
|
|
Function GetFS(Var F:File):longint;
|
|
{
|
|
Get File Descriptor of an unTyped file.
|
|
}
|
|
begin
|
|
{ Handle and mode are on the same place in textrec and filerec. }
|
|
if filerec(f).mode=fmclosed then
|
|
exit(-1)
|
|
else
|
|
GETFS:=filerec(f).Handle
|
|
end;
|
|
|
|
|
|
{--------------------------------
|
|
Stat.Mode Macro's
|
|
--------------------------------}
|
|
|
|
Function S_ISLNK(m:word):boolean;
|
|
{
|
|
Check mode field of inode for link.
|
|
}
|
|
begin
|
|
S_ISLNK:=(m and STAT_IFMT)=STAT_IFLNK;
|
|
end;
|
|
|
|
|
|
|
|
Function S_ISREG(m:word):boolean;
|
|
{
|
|
Check mode field of inode for regular file.
|
|
}
|
|
begin
|
|
S_ISREG:=(m and STAT_IFMT)=STAT_IFREG;
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|
end;
|
|
|
|
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|
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|
Function S_ISDIR(m:word):boolean;
|
|
|
|
{
|
|
Check mode field of inode for directory.
|
|
}
|
|
begin
|
|
S_ISDIR:=(m and STAT_IFMT)=STAT_IFDIR;
|
|
end;
|
|
|
|
|
|
|
|
Function S_ISCHR(m:word):boolean;
|
|
{
|
|
Check mode field of inode for character device.
|
|
}
|
|
begin
|
|
S_ISCHR:=(m and STAT_IFMT)=STAT_IFCHR;
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|
end;
|
|
|
|
|
|
|
|
Function S_ISBLK(m:word):boolean;
|
|
{
|
|
Check mode field of inode for block device.
|
|
}
|
|
begin
|
|
S_ISBLK:=(m and STAT_IFMT)=STAT_IFBLK;
|
|
end;
|
|
|
|
|
|
|
|
Function S_ISFIFO(m:word):boolean;
|
|
{
|
|
Check mode field of inode for named pipe (FIFO).
|
|
}
|
|
begin
|
|
S_ISFIFO:=(m and STAT_IFMT)=STAT_IFIFO;
|
|
end;
|
|
|
|
|
|
|
|
Function S_ISSOCK(m:word):boolean;
|
|
{
|
|
Check mode field of inode for socket.
|
|
}
|
|
begin
|
|
S_ISSOCK:=(m and STAT_IFMT)=STAT_IFSOCK;
|
|
end;
|
|
|
|
|
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Procedure WritePort (Port : Longint; Value : Byte);oldfpccall;
|
|
{
|
|
Writes 'Value' to port 'Port'
|
|
}
|
|
begin
|
|
asm
|
|
movl port,%edx
|
|
movb value,%al
|
|
outb %al,%dx
|
|
end ['EAX','EDX'];
|
|
end;
|
|
|
|
Procedure WritePort (Port : Longint; Value : Word);oldfpccall;
|
|
{
|
|
Writes 'Value' to port 'Port'
|
|
}
|
|
|
|
begin
|
|
asm
|
|
movl port,%edx
|
|
movw value,%ax
|
|
outw %ax,%dx
|
|
end ['EAX','EDX'];
|
|
end;
|
|
|
|
|
|
|
|
Procedure WritePort (Port : Longint; Value : Longint);oldfpccall;
|
|
{
|
|
Writes 'Value' to port 'Port'
|
|
}
|
|
|
|
begin
|
|
asm
|
|
movl port,%edx
|
|
movl value,%eax
|
|
outl %eax,%dx
|
|
end ['EAX','EDX'];
|
|
end;
|
|
|
|
|
|
Procedure WritePortB (Port : Longint; Value : Byte);oldfpccall;
|
|
{
|
|
Writes 'Value' to port 'Port'
|
|
}
|
|
begin
|
|
asm
|
|
movl port,%edx
|
|
movb value,%al
|
|
outb %al,%dx
|
|
end ['EAX','EDX'];
|
|
end;
|
|
|
|
Procedure WritePortW (Port : Longint; Value : Word);oldfpccall;
|
|
{
|
|
Writes 'Value' to port 'Port'
|
|
}
|
|
|
|
begin
|
|
asm
|
|
movl port,%edx
|
|
movw value,%ax
|
|
outw %ax,%dx
|
|
end ['EAX','EDX'];
|
|
end;
|
|
|
|
|
|
|
|
Procedure WritePortL (Port : Longint; Value : Longint);oldfpccall;
|
|
{
|
|
Writes 'Value' to port 'Port'
|
|
}
|
|
|
|
begin
|
|
asm
|
|
movl port,%edx
|
|
movl value,%eax
|
|
outl %eax,%dx
|
|
end ['EAX','EDX'];
|
|
end;
|
|
|
|
|
|
|
|
Procedure WritePortl (Port : Longint; Var Buf; Count: longint);oldfpccall;
|
|
{
|
|
Writes 'Count' longints from 'Buf' to Port
|
|
}
|
|
begin
|
|
asm
|
|
movl count,%ecx
|
|
movl buf,%esi
|
|
movl port,%edx
|
|
cld
|
|
rep
|
|
outsl
|
|
end ['ECX','ESI','EDX'];
|
|
end;
|
|
|
|
|
|
|
|
Procedure WritePortW (Port : Longint; Var Buf; Count: longint);oldfpccall;
|
|
{
|
|
Writes 'Count' words from 'Buf' to Port
|
|
}
|
|
begin
|
|
asm
|
|
movl count,%ecx
|
|
movl buf,%esi
|
|
movl port,%edx
|
|
cld
|
|
rep
|
|
outsw
|
|
end ['ECX','ESI','EDX'];
|
|
end;
|
|
|
|
|
|
|
|
Procedure WritePortB (Port : Longint; Var Buf; Count: longint);oldfpccall;
|
|
{
|
|
Writes 'Count' bytes from 'Buf' to Port
|
|
}
|
|
begin
|
|
asm
|
|
movl count,%ecx
|
|
movl buf,%esi
|
|
movl port,%edx
|
|
cld
|
|
rep
|
|
outsb
|
|
end ['ECX','ESI','EDX'];
|
|
end;
|
|
|
|
|
|
|
|
Procedure ReadPort (Port : Longint; Var Value : Byte);oldfpccall;
|
|
{
|
|
Reads 'Value' from port 'Port'
|
|
}
|
|
begin
|
|
asm
|
|
movl port,%edx
|
|
inb %dx,%al
|
|
movl value,%edx
|
|
movb %al,(%edx)
|
|
end ['EAX','EDX'];
|
|
end;
|
|
|
|
|
|
|
|
Procedure ReadPort (Port : Longint; Var Value : Word);oldfpccall;
|
|
{
|
|
Reads 'Value' from port 'Port'
|
|
}
|
|
begin
|
|
asm
|
|
movl port,%edx
|
|
inw %dx,%ax
|
|
movl value,%edx
|
|
movw %ax,(%edx)
|
|
end ['EAX','EDX'];
|
|
end;
|
|
|
|
|
|
|
|
Procedure ReadPort (Port : Longint; Var Value : Longint);oldfpccall;
|
|
{
|
|
Reads 'Value' from port 'Port'
|
|
}
|
|
begin
|
|
asm
|
|
movl port,%edx
|
|
inl %dx,%eax
|
|
movl value,%edx
|
|
movl %eax,(%edx)
|
|
end ['EAX','EDX'];
|
|
end;
|
|
|
|
|
|
|
|
function ReadPortB (Port : Longint): Byte;oldfpccall; assembler;
|
|
{
|
|
Reads a byte from port 'Port'
|
|
}
|
|
|
|
asm
|
|
xorl %eax,%eax
|
|
movl port,%edx
|
|
inb %dx,%al
|
|
end ['EAX','EDX'];
|
|
|
|
|
|
|
|
function ReadPortW (Port : Longint): Word;oldfpccall; assembler;
|
|
{
|
|
Reads a word from port 'Port'
|
|
}
|
|
asm
|
|
xorl %eax,%eax
|
|
movl port,%edx
|
|
inw %dx,%ax
|
|
end ['EAX','EDX'];
|
|
|
|
|
|
|
|
function ReadPortL (Port : Longint): LongInt;oldfpccall; assembler;
|
|
{
|
|
Reads a LongInt from port 'Port'
|
|
}
|
|
asm
|
|
movl port,%edx
|
|
inl %dx,%eax
|
|
end ['EAX','EDX'];
|
|
|
|
|
|
|
|
Procedure ReadPortL (Port : Longint; Var Buf; Count: longint);oldfpccall;
|
|
{
|
|
Reads 'Count' longints from port 'Port' to 'Buf'.
|
|
}
|
|
begin
|
|
asm
|
|
movl count,%ecx
|
|
movl buf,%edi
|
|
movl port,%edx
|
|
cld
|
|
rep
|
|
insl
|
|
end ['ECX','EDI','EDX'];
|
|
end;
|
|
|
|
|
|
|
|
Procedure ReadPortW (Port : Longint; Var Buf; Count: longint);oldfpccall;
|
|
{
|
|
Reads 'Count' words from port 'Port' to 'Buf'.
|
|
}
|
|
begin
|
|
asm
|
|
movl count,%ecx
|
|
movl buf,%edi
|
|
movl port,%edx
|
|
cld
|
|
rep
|
|
insw
|
|
end ['ECX','EDI','EDX'];
|
|
end;
|
|
|
|
|
|
|
|
Procedure ReadPortB (Port : Longint; Var Buf; Count: longint);oldfpccall;
|
|
{
|
|
Reads 'Count' bytes from port 'Port' to 'Buf'.
|
|
}
|
|
begin
|
|
asm
|
|
movl count,%ecx
|
|
movl buf,%edi
|
|
movl port,%edx
|
|
cld
|
|
rep
|
|
insb
|
|
end ['ECX','EDI','EDX'];
|
|
end;
|
|
|
|
{--------------------------------
|
|
Memory functions
|
|
--------------------------------}
|
|
|
|
Initialization
|
|
InitLocalTime;
|
|
|
|
finalization
|
|
DoneLocalTime;
|
|
|
|
End.
|