{ $Id$ This file is part of the Free Pascal run time library. Copyright (c) 2001 by Free Pascal development team Types and structures for the BaseUnix unit. 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. ***********************************************************************} {***********************************************************************} { Base Unix Structures } {***********************************************************************} {$i ptypes.inc} CONST // SYS_NMLM = 65; UTSNAME_LENGTH = SYS_NMLM; UTSNAME_NODENAME_LENGTH = UTSNAME_LENGTH; {$ifdef usedomain} UTSNAME_DOMAIN_LENGTH = UTSNAME_LENGTH; {$endif} SIG_MAXSIG = 128; // highest signal version FD_MAXFDSET = 1024; {$ifdef FPC_USE_LIBC} wordsinsigset = 128 div 4; // words in sigset_t {$else} wordsinsigset = 4; // words in sigset_t {$endif} ln2bitsinword = 5; { 32bit : ln(32)/ln(2)=5 } ln2bitmask = 1 shl ln2bitsinword - 1; TYPE Blksize_t = cuint; Blkcnt_t = cuint; Ino64_t = cint64; Off64_t = cint64; TBlkSize = BlkSize_t; PBlkSize = ^BlkSize_t; TBlkCnt = Blkcnt_t; PBlkCnt = ^Blkcnt_t; TIno64 = Ino64_t; PIno64 = ^Ino64_t; TOff64 = Off64_t; POff64 = ^Off64_t; { system information services } UtsName = Record Sysname : Array[0..UTSNAME_LENGTH -1] OF Char; // Name of this OS Nodename: Array[0..UTSNAME_NODENAME_LENGTH-1] OF Char; // Name of this network node. Release : Array[0..UTSNAME_LENGTH -1] OF Char; // Release level. Version : Array[0..UTSNAME_LENGTH -1] OF Char; // Version level. Machine : Array[0..UTSNAME_LENGTH -1] OF Char; // Hardware type. {$ifdef usedomain} Domain : array[0..UTSNAME_DOMAIN_LENGTH-1] of char; // Linux addition "Domain" {$endif} end; TUtsName = UtsName; PUtsName = TUtsName; { Definition of (kernel) stat type } { see kernel/include/asm-/stat.h, include/linux/types.h and } { include /include/asm-/posix-types.h } {$i stat.inc} TStat = Stat; PStat = ^Stat; {$ifdef notused} // 64-bit support needs some work still :-) { file characteristics services } stat64 = record st_dev : dev_t; // inode's device pad1 : cushort; {$ifdef 64bitfs} // ?? __st_ino : ino_t; {$else} st_ino : ino_t; // inode's number {$endif} st_mode : mode_t; // inode protection mode st_nlink : nlink_t; // number of hard links st_uid : uid_t; // user ID of the file's owner st_gid : gid_t; // group ID of the file's group st_rdev : dev_t; // device type pad2 : cushort; {$ifdef 64bitfs} st_size : off64_t; // file size, in bytes {$else} st_size : off_t; // file size, in bytes {$endif} st_blksize : blksize_t; // optimal blocksize for I/O {$ifdef 64bitfs} st_blocks : blkcnt64_t; // blocks allocated for file {$else} st_blocks : blkcnt_t; // blocks allocated for file {$endif} st_atime : time_t; // time of last access unused1 : culong; st_mtime : time_t; // time of last data modification unused2 : culong; st_ctime : time_t; // time of last file status change unused3 : culong; {$ifdef 64bitfs} st_ino : ino64_t {$else} unused4 : culong; unused5 : culong; {$endif} end; {$endif} { directory services } Dirent = packed record {$ifndef 64bitfs} d_fileno : ino_t; // file number of entry d_off : off_t; {$else} d_fileno : ino64_t; // file number of entry d_off : off64_t; {$endif} d_reclen : cushort; // length of string in d_name {$ifdef Uselibc} // Libc different from kernel record! d_type : cuchar; // file type, see below {$endif} d_name : array[0..(255 + 1)-1] of char; // name must be no longer than this end; TDirent = Dirent; pDirent = ^Dirent; {$ifdef oldreaddir} { Still old one. This is a userland struct} Dir = packed record dd_fd : integer; dd_loc : longint; dd_size : integer; dd_buf : pdirent; {The following are used in libc, but NOT in the linux kernel sources ??} dd_nextoff: longint; dd_max : integer; {size of buf. Irrelevant, as buf is of type dirent} dd_lock : pointer; end; {$else} // new libc one. NOTE that off_t must be real, so 64-bit ifdef // 64bitsfs Dir = Record // packing doesn't matter. This is a userland struct. fd : cint; data : pchar; allocation: size_t; _size : size_t; offset : size_t; filepos : off_t; end; {$endif} TDir = Dir; pDir = ^Dir; UTimBuf = Record actime : time_t; modtime : time_t; end; TUtimBuf = UtimBuf; pUtimBuf = ^UtimBuf; FLock = Record l_type : cshort; { lock type: read/write, etc. } l_whence: cshort; { type of l_start } {$ifdef 64bitfs} l_start : off64_t; { starting offset } l_len : off64_t; { len = 0 means until end of file } {$else} l_start : off_t; { starting offset } l_len : off_t; { len = 0 means until end of file } {$endif} l_pid : pid_t; { lock owner } End; tms = packed Record tms_utime : clock_t; { User CPU time } tms_stime : clock_t; { System CPU time } tms_cutime : clock_t; { User CPU time of terminated child procs } tms_cstime : clock_t; { System CPU time of terminated child procs } end; TTms = tms; PTms = ^tms; TFDSet = ARRAY[0..(FD_MAXFDSET div 32)-1] of Cardinal; pFDSet = ^TFDSet; {***********************************************************************} { POSIX CONSTANT ROUTINE DEFINITIONS } {***********************************************************************} CONST { access routine - these maybe OR'ed together } F_OK = 0; { test for existence of file } R_OK = 4; { test for read permission on file } W_OK = 2; { test for write permission on file } X_OK = 1; { test for execute or search permission } { seek routine } SEEK_SET = 0; { seek from beginning of file } SEEK_CUR = 1; { seek from current position } SEEK_END = 2; { seek from end of file } { open routine } { File access modes for `open' and `fcntl'. } O_RDONLY = 0; { Open read-only. } O_WRONLY = 1; { Open write-only. } O_RDWR = 2; { Open read/write. } { Bits OR'd into the second argument to open. } O_CREAT = $40; { Create file if it doesn't exist. } O_EXCL = $80; { Fail if file already exists. } O_TRUNC = $200; { Truncate file to zero length. } O_NOCTTY = $100; { Don't assign a controlling terminal. } { File status flags for `open' and `fcntl'. } O_APPEND = $400; { Writes append to the file. } O_NONBLOCK= $800; { Non-blocking I/O. } { mode_t possible values } S_IRUSR = %0100000000; { Read permission for owner } S_IWUSR = %0010000000; { Write permission for owner } S_IXUSR = %0001000000; { Exec permission for owner } S_IRGRP = %0000100000; { Read permission for group } S_IWGRP = %0000010000; { Write permission for group } S_IXGRP = %0000001000; { Exec permission for group } S_IROTH = %0000000100; { Read permission for world } S_IWOTH = %0000000010; { Write permission for world } S_IXOTH = %0000000001; { Exec permission for world } { Used for waitpid } WNOHANG = 1; { don't block waiting } WUNTRACED = 2; { report status of stopped children } const { For File control mechanism } F_GetFd = 1; F_SetFd = 2; F_GetFl = 3; F_SetFl = 4; F_GetLk = 5; F_SetLk = 6; F_SetLkW = 7; F_SetOwn = 8; F_GetOwn = 9; {*************************************************************************} { SIGNALS } {*************************************************************************} {$i signal.inc} // function geterrno:longint; // procedure seterrno(i:longint); { $Log$ Revision 1.6 2003-12-31 20:17:06 marco * sigset size adaption for FPC_USE_LIBC Revision 1.5 2003/12/02 00:04:34 sg * Fixed ln2bitmask Revision 1.4 2003/11/19 10:56:15 marco * some constants moved from System Revision 1.3 2003/09/14 20:15:01 marco * Unix reform stage two. Remove all calls from Unix that exist in Baseunix. Revision 1.2 2003/05/15 22:50:50 jonas * the stat type is processor-dependent * the dev_t tpye is processor dependent. Don't use it in the stat type however, as that one is also used at a time where dev_t is already defined as qword Revision 1.1 2002/12/18 16:43:26 marco * new unix rtl, linux part..... Revision 1.1 2002/11/12 14:37:59 marco * Parts of new unix rtl }