123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284 |
- {
- 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 }
- {***********************************************************************}
- {$IFDEF FPC_IS_SYSTEM}
- {$i ptypes.inc}
- {$ENDIF}
- CONST
- FD_MAXFDSET = 1024;
- BITSINWORD = 8*sizeof(longint);
- wordsinsigset = SIG_MAXSIG DIV BITSINWORD; // words in sigset_t
- wordsinfdset = FD_MAXFDSET DIV BITSINWORD; // words in fdset_t
- ln2bitsinword = 5; { 32bit : ln(32)/ln(2)=5 }
- ln2bitmask = 1 shl ln2bitsinword - 1;
- UTSNAME_LENGTH = 256; { 256 + 1 in pchar format }
- UTSNAME_NODENAME_LENGTH = 256;
- ST_FSTYPSZ = 16; {* array size for file system type name *}
- TYPE
- blksize_t = clong;
- blkcnt_t = clong;
- { file characteristics services }
- stat = packed record { verify the alignment of the members }
- st_dev : dev_t;
- {$ifndef CPU64}
- st_pad1 : array[1..3] of longint; { reserve for dev expansion }
- {$endif ndef CPU64}
- st_ino : ino_t;
- st_mode : mode_t;
- st_nlink : nlink_t;
- st_uid : uid_t;
- st_gid : gid_t;
- st_rdev : dev_t;
- {$ifndef CPU64}
- st_pad2 : array[1..2] of longint;
- {$endif ndef CPU64}
- st_size : off_t;
- {$ifndef CPU64}
- st_pad3 : longint; {* reserve pad for future off_t expansion *}
- {$endif ndef CPU64}
- st_atime : time_t;
- st_atimens : clong; { access time nanosecond field }
- st_mtime : time_t;
- st_mtimens : clong; { modification time nanosecond field }
- st_ctime : time_t;
- st_ctimens : clong; { modification time nanosecond field }
- st_blksize : blksize_t;
- st_blocks : blkcnt_t;
- st_fstype : array[0..ST_FSTYPSZ-1] of char;
- {$ifndef CPU64}
- st_pad4 : array[1..8] of longint;
- {$endif ndef CPU64}
- end;
- TStat = Stat;
- PStat = ^Stat;
- flock = record
- l_type : cshort; { lock type: read/write, etc. }
- l_whence: cshort; { type of l_start }
- {$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_sysid : cint;
- l_pid : pid_t; { lock owner }
- l_pas : array[0..3] of clong;
- end;
- TFlock = flock;
- pFlock = ^flock;
- TFDSetEl = Cardinal;
- TFDSet = array[0..(FD_MAXFDSET div 32)-1] of TFDSetEl;
- pFDSet = ^TFDSet;
- timezone = packed record
- tz_minuteswest,tz_dsttime:cint;
- end;
- ptimezone =^timezone;
- TTimeZone = timezone;
- { system information services }
- utsname = packed record { don't forget to verify the alignment }
- sysname : array[0..UTSNAME_LENGTH] of char;
- nodename : array[0..UTSNAME_LENGTH] of char;
- release : array[0..UTSNAME_LENGTH] of char;
- version : array[0..UTSNAME_LENGTH] of char;
- machine : array[0..UTSNAME_LENGTH] of char;
- end;
- UTimBuf = Record
- actime : time_t;
- modtime : time_t;
- end;
- TUtimBuf = UtimBuf;
- pUtimBuf = ^UtimBuf;
- { directory services }
- pdirent = ^dirent;
- dirent = packed record { directory entry record - verify alignment }
- case integer of
- 1 : (
- d_ino : ino_t; {* "inode number" of entry *}
- d_off : off_t; {* offset of disk directory entry *}
- d_reclen : word; {* length of this record *}
- d_name : array[0..255] of char; { name of file }
- );
- { overlay with alias }
- 2 : (
- d_fileno : ino_t;
- );
- end;
- pdir = ^dir;
- dir = packed record
- case integer of
- 1 : (
- d_fd : cint; {* file descriptor *}
- d_loc : cint; {* offset in block *}
- d_size : cint; {* amount of valid data *}
- d_buf : pchar; { directory block }
- );
- { overlay for posix compatibility }
- 2 : (
- dd_fd : cint; {* file descriptor *}
- dd_loc : cint; {* offset in block *}
- dd_size : cint; {* amount of valid data *}
- dd_buf : pchar; { directory block }
- );
- end;
- {***********************************************************************}
- { 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. }
- O_NDELAY = 4;
- { Bits OR'd into the second argument to open. }
- O_CREAT = $100; { Create file if it doesn't exist. }
- O_EXCL = $400; { Fail if file already ??????. }
- O_TRUNC = $200; { Truncate file to zero length. }
- O_NOCTTY = $800; { Don't assign a controlling terminal. }
- O_XATTR = $4000;
- O_NOFOLLOW = $20000;
- O_NOLINKS = $40000;
- { File status flags for `open' and `fcntl'. }
- O_APPEND = $08; { Writes append to the file. }
- O_SYNC = $10;
- O_NONBLOCK = $80; { Non-blocking I/O. }
- O_LARGEFILE = $2000;
- { mode_t possible values }
- S_IRUSR = $100; { Read permission for owner }
- S_IWUSR = $080; { Write permission for owner }
- S_IXUSR = $040; { Exec permission for owner }
- S_IRGRP = $020; { Read permission for group }
- S_IWGRP = $010; { Write permission for group }
- S_IXGRP = $008; { Exec permission for group }
- S_IROTH = $004; { Read permission for world }
- S_IWOTH = $002; { Write permission for world }
- S_IXOTH = $001; { Exec permission for world }
- { Used for waitpid }
- WNOHANG = $40; { don't block waiting }
- WUNTRACED = $04; { report status of stopped children }
- Const
- S_IFMT = 61440;
- S_IFIFO = 4096;
- S_IFCHR = 8192;
- S_IFDIR = 16384;
- S_IFBLK = 24576;
- S_IFREG = 32768;
- S_IFLNK = 40960;
- S_IFSOCK= 49152;
- S_IFWHT = 57344;
- S_ISVTX = 512;
- { For File control mechanism }
- F_GetFd = 1;
- F_SetFd = 2;
- F_GetFl = 3;
- F_SetFl = 4;
- F_GetLk = 14;
- F_SetLk = 6;
- F_SetLkW = 7;
- F_SetOwn = 23;
- F_GetOwn = 24;
- Const
- { Constansts for MMAP }
- {$ifdef FPC_IS_SYSTEM}
- MAP_PRIVATE =2;
- {$endif}
- MAP_ANONYMOUS =$100;
- type
- rlim_t = cULong;
- PRLimit = ^TRLimit;
- TRLimit = record
- rlim_cur : rlim_t;
- rlim_max : rlim_t;
- end;
- {$i signal.inc}
- iovec = record
- iov_base : pointer;
- iov_len : size_t;
- end;
- tiovec=iovec;
- piovec=^tiovec;
- 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;
- const
- POLLIN = $0001;
- POLLPRI = $0002;
- POLLOUT = $0004;
- POLLERR = $0008;
- POLLHUP = $0010;
- POLLNVAL = $0020;
- { XOpen, XPG 4.2 }
- POLLRDNORM = $0040;
- POLLRDBAND = $0080;
- POLLWRNORM = POLLOUT;
- POLLWRBAND = $0100;
- type
- pollfd = record
- fd: cint;
- events: cshort;
- revents: cshort;
- end;
- tpollfd = pollfd;
- ppollfd = ^pollfd;
|