{ This file is part of the Free Pascal run time library. Copyright (c) 1999-2000 by Michael Van Canneyt, BSD parts (c) 2000 by Marco van de Voort members of the Free Pascal development team. See the file COPYING.FPC, included in this distribution, for details about the copyright. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. **********************************************************************} unit oldlinux deprecated 'Use Baseunix/Unix'; Interface Const { Things for LSEEK call } Seek_set = 0; Seek_Cur = 1; Seek_End = 2; { Things for OPEN call - after linux/fcntl.h } Open_Accmode = 3; Open_RdOnly = 0; Open_WrOnly = 1; Open_RdWr = 2; Open_Creat = 1 shl 6; Open_Excl = 2 shl 6; Open_NoCtty = 4 shl 6; Open_Trunc = 1 shl 9; Open_Append = 2 shl 9; Open_NonBlock = 4 shl 9; Open_NDelay = Open_NonBlock; Open_Sync = 1 shl 12; Open_Direct = 4 shl 12; Open_LargeFile = 1 shl 15; Open_Directory = 2 shl 15; Open_NoFollow = 4 shl 15; { The waitpid uses the following options:} Wait_NoHang = 1; Wait_UnTraced = 2; Wait_Any = -1; Wait_MyPGRP = 0; Wait_Clone = $80000000; { Constants to check stat.mode } STAT_IFMT = $f000; {00170000} STAT_IFSOCK = $c000; {0140000} STAT_IFLNK = $a000; {0120000} STAT_IFREG = $8000; {0100000} STAT_IFBLK = $6000; {0060000} STAT_IFDIR = $4000; {0040000} STAT_IFCHR = $2000; {0020000} STAT_IFIFO = $1000; {0010000} STAT_ISUID = $0800; {0004000} STAT_ISGID = $0400; {0002000} STAT_ISVTX = $0200; {0001000} { Constants to check permissions } STAT_IRWXO = $7; STAT_IROTH = $4; STAT_IWOTH = $2; STAT_IXOTH = $1; STAT_IRWXG = STAT_IRWXO shl 3; STAT_IRGRP = STAT_IROTH shl 3; STAT_IWGRP = STAT_IWOTH shl 3; STAT_IXGRP = STAT_IXOTH shl 3; STAT_IRWXU = STAT_IRWXO shl 6; STAT_IRUSR = STAT_IROTH shl 6; STAT_IWUSR = STAT_IWOTH shl 6; STAT_IXUSR = STAT_IXOTH shl 6; { Constants to test the type of filesystem } fs_old_ext2 = $ef51; fs_ext2 = $ef53; fs_ext = $137d; fs_iso = $9660; fs_minix = $137f; fs_minix_30 = $138f; fs_minux_V2 = $2468; fs_msdos = $4d44; fs_nfs = $6969; fs_proc = $9fa0; fs_xia = $012FD16D; { Constansts for MMAP } MAP_PRIVATE =2; {$if defined(cpumips) or defined(cpumipsel)} MAP_ANONYMOUS =$800; {$else cpumips} MAP_ANONYMOUS =$20; {$endif cpumips} {Constansts Termios/Ioctl (used in Do_IsDevice) } IOCtl_TCGETS=$5401; // TCGETS is also in termios.inc, but the sysunix needs only this type { Linux system calls take arguments as follows : cpui386/m68k: %eax/%d0 : System call number %ebx/%d1 : first argument %ecx/%d2 : second argument %edx/%d3 : third argumens %esi/%d3 : fourth argument %edi/%d4 : fifth argument That is why we define a special type, with only these arguments To make it processor independent, we don't give any system dependent names, but the rather abstract reg1,reg2 etc; } SysCallRegs=record reg1,reg2,reg3,reg4,reg5,reg6 : longint; end; PSysCallRegs=^SysCallRegs; TSysCallRegs=SysCallRegs; { The following are records for system calls } dirent = packed record ino, off : longint; reclen : word; name : array [0..255] of char; end; pdirent =^dirent; TDirEnt = dirent; TDir = packed record fd : integer; loc : longint; size : integer; buf : pdirent; {The following are used in libc, but NOT in the linux kernel sources ??} nextoff: longint; dd_max : integer; {size of buf. Irrelevant, as buf is of type dirent} lock : pointer; end; PDir =^TDir; dev_t = word; Stat = packed record dev : dev_t; pad1 : word; ino : longint; mode, nlink, uid, gid : word; rdev : dev_t; pad2 : word; size, blksize, blocks, atime, unused1, mtime, unused2, ctime, unused3, unused4, unused5 : longint; end; PStat=^Stat; TStat=Stat; Statfs = packed record fstype, { File system type } bsize, { Optimal block trensfer size } blocks, { Data blocks in system } bfree, { free blocks in system } bavail, { Available free blocks to non-root users } files, { File nodes in system } ffree, { Free file nodes in system } fsid, { File system ID } namelen : longint; { Maximum name length in system } spare : array [0..6] of longint; { For later use } end; PStatFS=^StatFS; TStatFS=StatFS; fdSet=array[0..7] of longint;{=256 bits} pfdset=^fdset; TFDSet=fdset; timeval = packed record sec,usec:longint end; ptimeval=^timeval; TTimeVal=timeval; timespec = packed record tv_sec,tv_nsec:longint; end; timezone = packed record minuteswest,dsttime:longint; end; ptimezone =^timezone; TTimeZone = timezone; utsname = packed record sysname, nodename, release, version, machine, domainname : Array[0..64] of char; end; PUTSName=^UTSName; TUTSName=UTSName; { Get System call numbers and error-numbers} const syscall_nr_setup = 0; syscall_nr_exit = 1; syscall_nr_fork = 2; syscall_nr_read = 3; syscall_nr_write = 4; syscall_nr_open = 5; syscall_nr_close = 6; syscall_nr_waitpid = 7; syscall_nr_creat = 8; syscall_nr_link = 9; syscall_nr_unlink = 10; syscall_nr_execve = 11; syscall_nr_chdir = 12; syscall_nr_time = 13; syscall_nr_mknod = 14; syscall_nr_chmod = 15; syscall_nr_chown = 16; syscall_nr_break = 17; syscall_nr_oldstat = 18; syscall_nr_lseek = 19; syscall_nr_getpid = 20; syscall_nr_mount = 21; syscall_nr_umount = 22; syscall_nr_setuid = 23; syscall_nr_getuid = 24; syscall_nr_stime = 25; syscall_nr_ptrace = 26; syscall_nr_alarm = 27; syscall_nr_oldfstat = 28; syscall_nr_pause = 29; syscall_nr_utime = 30; syscall_nr_stty = 31; syscall_nr_gtty = 32; syscall_nr_access = 33; syscall_nr_nice = 34; syscall_nr_ftime = 35; syscall_nr_sync = 36; syscall_nr_kill = 37; syscall_nr_rename = 38; syscall_nr_mkdir = 39; syscall_nr_rmdir = 40; syscall_nr_dup = 41; syscall_nr_pipe = 42; syscall_nr_times = 43; syscall_nr_prof = 44; syscall_nr_brk = 45; syscall_nr_setgid = 46; syscall_nr_getgid = 47; syscall_nr_signal = 48; syscall_nr_geteuid = 49; syscall_nr_getegid = 50; syscall_nr_acct = 51; syscall_nr_phys = 52; syscall_nr_lock = 53; syscall_nr_ioctl = 54; syscall_nr_fcntl = 55; syscall_nr_mpx = 56; syscall_nr_setpgid = 57; syscall_nr_ulimit = 58; syscall_nr_oldolduname = 59; syscall_nr_umask = 60; syscall_nr_chroot = 61; syscall_nr_ustat = 62; syscall_nr_dup2 = 63; syscall_nr_getppid = 64; syscall_nr_getpgrp = 65; syscall_nr_setsid = 66; syscall_nr_sigaction = 67; syscall_nr_sgetmask = 68; syscall_nr_ssetmask = 69; syscall_nr_setreuid = 70; syscall_nr_setregid = 71; syscall_nr_sigsuspend = 72; syscall_nr_sigpending = 73; syscall_nr_sethostname = 74; syscall_nr_setrlimit = 75; syscall_nr_getrlimit = 76; syscall_nr_getrusage = 77; syscall_nr_gettimeofday = 78; syscall_nr_settimeofday = 79; syscall_nr_getgroups = 80; syscall_nr_setgroups = 81; syscall_nr_select = 82; syscall_nr_symlink = 83; syscall_nr_oldlstat = 84; syscall_nr_readlink = 85; syscall_nr_uselib = 86; syscall_nr_swapon = 87; syscall_nr_reboot = 88; syscall_nr_readdir = 89; syscall_nr_mmap = 90; syscall_nr_munmap = 91; syscall_nr_truncate = 92; syscall_nr_ftruncate = 93; syscall_nr_fchmod = 94; syscall_nr_fchown = 95; syscall_nr_getpriority = 96; syscall_nr_setpriority = 97; syscall_nr_profil = 98; syscall_nr_statfs = 99; syscall_nr_fstatfs = 100; syscall_nr_ioperm = 101; syscall_nr_socketcall = 102; syscall_nr_syslog = 103; syscall_nr_setitimer = 104; syscall_nr_getitimer = 105; syscall_nr_stat = 106; syscall_nr_lstat = 107; syscall_nr_fstat = 108; syscall_nr_olduname = 109; syscall_nr_iopl = 110; syscall_nr_vhangup = 111; syscall_nr_idle = 112; syscall_nr_vm86old = 113; syscall_nr_wait4 = 114; syscall_nr_swapoff = 115; syscall_nr_sysinfo = 116; syscall_nr_ipc = 117; syscall_nr_fsync = 118; syscall_nr_sigreturn = 119; syscall_nr_clone = 120; syscall_nr_setdomainname = 121; syscall_nr_uname = 122; syscall_nr_modify_ldt = 123; syscall_nr_adjtimex = 124; syscall_nr_mprotect = 125; syscall_nr_sigprocmask = 126; syscall_nr_create_module = 127; syscall_nr_init_module = 128; syscall_nr_delete_module = 129; syscall_nr_get_kernel_syms = 130; syscall_nr_quotactl = 131; syscall_nr_getpgid = 132; syscall_nr_fchdir = 133; syscall_nr_bdflush = 134; syscall_nr_sysfs = 135; syscall_nr_personality = 136; syscall_nr_afs_syscall = 137; syscall_nr_setfsuid = 138; syscall_nr_setfsgid = 139; syscall_nr__llseek = 140; syscall_nr_getdents = 141; syscall_nr__newselect = 142; syscall_nr_flock = 143; syscall_nr_msync = 144; syscall_nr_readv = 145; syscall_nr_writev = 146; syscall_nr_getsid = 147; syscall_nr_fdatasync = 148; syscall_nr__sysctl = 149; syscall_nr_mlock = 150; syscall_nr_munlock = 151; syscall_nr_mlockall = 152; syscall_nr_munlockall = 153; syscall_nr_sched_setparam = 154; syscall_nr_sched_getparam = 155; syscall_nr_sched_setscheduler = 156; syscall_nr_sched_getscheduler = 157; syscall_nr_sched_yield = 158; syscall_nr_sched_get_priority_max = 159; syscall_nr_sched_get_priority_min = 160; syscall_nr_sched_rr_get_interval = 161; syscall_nr_nanosleep = 162; syscall_nr_mremap = 163; syscall_nr_setresuid = 164; syscall_nr_getresuid = 165; syscall_nr_vm86 = 166; syscall_nr_query_module = 167; syscall_nr_poll = 168; syscall_nr_sigaltstack = 186; {$IFDEF SYSCALL_DEBUG} const Sys_nr_txt : array[0..168] of string[15]=( 'Setup', { 0 } 'Exit', { 1 } 'Fork', { 2 } 'Read', { 3 } 'Write', { 4 } 'Open', { 5 } 'Close', { 6 } 'WaitPid', { 7 } 'Create', { 8 } 'Link', { 9 } 'UnLink', { 10 } 'ExecVe', { 11 } 'ChDir', { 12 } 'Time', { 13 } 'MkNod', { 14 } 'ChMod', { 15 } 'ChOwn', { 16 } 'Break', { 17 } 'OldState', { 18 } 'LSeek', { 19 } 'GetPid', { 20 } 'Mount', { 21 } 'UMount', { 22 } 'SetUid', { 23 } 'GetUid', { 24 } 'STime', { 25 } 'PTrace', { 26 } 'Alarm', { 27 } 'OldFStat', { 28 } 'Pause', { 29 } 'UTime', { 30 } 'STTY', { 31 } 'GTTY', { 32 } 'Access', { 33 } 'Nice', { 34 } 'FTime', { 35 } 'Sync', { 36 } 'Kill', { 37 } 'Rename', { 38 } 'MkDir', { 39 } 'RmDir', { 40 } 'Dup', { 41 } 'Pipe', { 42 } 'Times', { 43 } 'Prof', { 44 } 'Break', { 45 } 'SetGid', { 46 } 'GetGid', { 47 } 'Signal', { 48 } 'GetEUid', { 49 } 'GetEGid', { 50 } 'Acct', { 51 } 'Phys', { 52 } 'Lock', { 53 } 'IOCtl', { 54 } 'FCNtl', { 55 } 'Mpx', { 56 } 'SetPGid', { 57 } 'ULimit', { 58 } 'OldOldUName', { 59 } 'UMask', { 60 } 'ChRoot', { 61 } 'UStat', { 62 } 'Dup2', { 63 } 'GetPPid', { 64 } 'GetPGrp', { 65 } 'SetSid', { 66 } 'SigAction', { 67 } 'SGetMask', { 68 } 'SSetMask', { 69 } 'SetReUid', { 70 } 'SetReGid', { 71 } 'SigSuspend', { 72 } 'SigPending', { 73 } 'SetHostName', { 74 } 'SetRLimit', { 75 } 'GetRLimit', { 76 } 'GetRUsage', { 77 } 'GetTimeOfDay', { 78 } 'SetTimeOfDay', { 79 } 'GetGroups', { 80 } 'SetGroups', { 81 } 'Select', { 82 } 'SymLink', { 83 } 'OldLStat', { 84 } 'ReadLink', { 85 } 'UseLib', { 86 } 'SwapOn', { 87 } 'Reboot', { 88 } 'ReadDir', { 89 } 'MMap', { 90 } 'MunMap', { 91 } 'Truncate', { 92 } 'FTruncate', { 93 } 'FChMod', { 94 } 'FChOwn', { 95 } 'GetPriority', { 96 } 'SetPriority', { 97 } 'Profile', { 98 } 'StatFs', { 99 } 'FStatFs', { 100 } 'IOPerm', { 101 } 'SocketCall', { 102 } 'SysLog', { 103 } 'SetITimer', { 104 } 'GetITimer', { 105 } 'Stat', { 106 } 'LStat', { 107 } 'FStat', { 108 } 'OldUName', { 109 } 'IOPl', { 110 } 'VHangup', { 111 } 'Idle', { 112 } 'VM86', { 113 } 'Wait4', { 114 } 'SwapOff', { 115 } 'SysInfo', { 116 } 'IPC', { 117 } 'FSync', { 118 } 'SigReturn', { 119 } 'Clone', { 120 } '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 = $20; { don't use a file } {$if defined(cpumips) or defined(cpumipsel)} MAP_GROWSDOWN = $1000; { stack-like segment } MAP_DENYWRITE = $2000; { ETXTBSY } MAP_EXECUTABLE = $4000; { mark it as an executable } MAP_LOCKED = $8000; { pages are locked } MAP_NORESERVE = $4000; { don't check for reservations } {$else cpumips} 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 = $4000; { don't check for reservations } {$endif cpumips} 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; {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 {$if defined(generic_linux_syscalls)} regs.reg2:=AT_FDCWD; regs.reg3:=longint(filename); regs.reg4:=mode; Sys_MkDir:=SysCall(SysCall_nr_mkdirat,regs); {$else} regs.reg2:=longint(filename); regs.reg3:=mode; Sys_MkDir:=SysCall(SysCall_nr_mkdir,regs); {$endif} end; Function Sys_Rmdir(Filename:pchar):longint; var regs : SysCallregs; begin {$if defined(generic_linux_syscalls)} regs.reg2:=AT_FDCWD; regs.reg3:=longint(filename); regs.reg4:=AT_REMOVEDIR; Sys_Rmdir:=SysCall(SysCall_nr_unlinkat,regs); {$else} regs.reg2:=longint(filename); Sys_Rmdir:=SysCall(SysCall_nr_rmdir,regs); {$endif} 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 (whichprio_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 ((whichprio_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; {$if defined(generic_linux_syscalls)} sr.reg4:=0; if oldfile<>newfile then SysCall(Syscall_nr_dup3,sr) else begin sr.reg3:=F_GetFd; SysCall(Syscall_nr_fcntl,sr); end; {$else} SysCall(Syscall_nr_dup2,sr); {$endif} linuxerror:=errno; Dup2:=(LinuxError=0); end; Function Select(N:longint;readfds,writefds,exceptfds:PFDSet;TimeOut:PTimeVal):longint; { Select checks whether the file descriptor sets in readfs/writefs/exceptfs have changed. } Var SelectArray : Array[1..5] of longint; Sr : Syscallregs; begin SelectArray[1]:=n; SelectArray[2]:=longint(Readfds); Selectarray[3]:=longint(Writefds); selectarray[4]:=longint(exceptfds); Selectarray[5]:=longint(TimeOut); sr.reg2:=longint(@selectarray); Select:=SysCall(Syscall_nr_select,sr); LinuxError:=Errno; end; Function AssignPipe(var pipe_in,pipe_out:longint):boolean; { Sets up a pair of file variables, which act as a pipe. The first one can be read from, the second one can be written to. If the operation was unsuccesful, linuxerror is set. } var pip : tpipe; regs : SysCallregs; begin regs.reg2:=longint(@pip); {$if defined(generic_linux_syscalls)} regs.reg3:=0; SysCall(SysCall_nr_pipe2,regs); {$else} SysCall(SysCall_nr_pipe,regs); {$endif} 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 (timerleaps[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 useful 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 useful 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 } {$DEFINE FPC_FEXPAND_GETENVPCHAR} { GetEnv result is a PChar } const LFNSupport = true; FileNameCaseSensitive = true; FileNameCasePreserving = true; {$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 (ipattern[i]) do inc (j); if (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; end; 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; 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; 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.