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fpc/rtl/linux/ostypes.inc

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{
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}
{$ENDIF}
CONST
// SYS_NMLM = 65;
UTSNAME_LENGTH = SYS_NMLN;
UTSNAME_NODENAME_LENGTH = UTSNAME_LENGTH;
{$ifdef usedomain}
UTSNAME_DOMAIN_LENGTH = UTSNAME_LENGTH;
{$endif}
FD_MAXFDSET = 1024;
BITSINWORD = 8*sizeof(cuLong);
wordsinsigset = SIG_MAXSIG DIV BITSINWORD; // words in sigset_t
wordsinfdset = FD_MAXFDSET DIV BITSINWORD; // words in fdset_t
{$ifdef cpu32}
ln2bitsinword = 5; { 32bit : ln(32)/ln(2)=5 }
{$else cpu32}
{$ifdef cpu64}
ln2bitsinword = 6; { 64bit : ln(64)/ln(2)=6 }
{$endif cpu64}
{$endif cpu32}
ln2bitmask = 1 shl ln2bitsinword - 1;
TYPE
Blksize_t = cuint;
Blkcnt_t = cuint;
Blkcnt64_t = cuint64;
TBlkSize = BlkSize_t;
PBlkSize = ^BlkSize_t;
TBlkCnt = Blkcnt_t;
PBlkCnt = ^Blkcnt_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-<cpu>/stat.h, include/linux/types.h and }
{ include /include/asm-<cpu>/posix-types.h }
const
_STAT_VER_LINUX_OLD = 1;
_STAT_VER_KERNEL = 1;
_STAT_VER_SVR4 = 2;
_STAT_VER_LINUX = 3;
_STAT_VER = _STAT_VER_LINUX;
type
{$i stat.inc}
TStat = Stat;
PStat = ^Stat;
{ directory services }
Dirent = packed record
d_fileno : ino64_t; // file number of entry
d_off : off_t;
d_reclen : cushort; // length of string in d_name
d_type : cuchar; // file type, see below
d_name : array[0..(255 + 1)-1] of char; // name must be no longer than this
end;
TDirent = Dirent;
pDirent = ^Dirent;
{$ifdef oldreaddir}
{ Still old one. This is a userland struct}
Dir = 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;
{$else}
// new libc one. NOTE that off_t must be real, so 64-bit ifdef
Dir = Record // packing doesn't matter. This is a userland struct.
fd : cint;
data : pchar;
allocation: size_t;
_size : size_t;
offset : size_t;
filepos : off_t;
end;
{$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 }
l_start : off_t; { starting offset }
l_len : off_t; { len = 0 means until end of file }
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 BITSINWORD)-1] of cuLong;
pFDSet = ^TFDSet;
timezone = packed record
tz_minuteswest,tz_dsttime:cint;
end;
ptimezone =^timezone;
TTimeZone = timezone;
{***********************************************************************}
{ 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. }
{$ifdef sparc}
O_APPEND = 8;
O_CREAT = $200;
O_TRUNC = $400;
O_EXCL = $800;
O_SYNC = $2000;
O_NONBLOCK = $4000;
O_NDELAY = O_NONBLOCK or 4;
O_NOCTTY = $8000;
O_DIRECTORY = $10000;
O_NOFOLLOW = $20000;
O_LARGEFILE = $40000;
O_DIRECT = $100000;
{$else sparc}
O_CREAT = $40;
O_EXCL = $80;
O_NOCTTY = $100;
O_TRUNC = $200;
O_APPEND = $400;
O_NONBLOCK = $800;
O_NDELAY = O_NONBLOCK;
O_SYNC = $1000;
O_DIRECT = $4000;
O_LARGEFILE = $8000;
O_DIRECTORY = $10000;
O_NOFOLLOW = $20000;
{$endif sparc}
{ 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 }
S_IRWXU = S_IRUSR or S_IWUSR or S_IXUSR;
{ Used for waitpid }
WNOHANG = 1; { don't block waiting }
WUNTRACED = 2; { report status of stopped children }
{ File types }
S_IFMT = 61440; { type of file mask}
S_IFIFO = 4096; { named pipe (fifo)}
S_IFCHR = 8192; { character special}
S_IFDIR = 16384; { directory }
S_IFBLK = 24576; { block special}
S_IFREG = 32768; { regular }
S_IFLNK = 40960; { symbolic link }
S_IFSOCK= 49152; { socket }
{ Constansts for MMAP }
MAP_PRIVATE =2;
MAP_ANONYMOUS =$20;
{ For File control mechanism }
F_GetFd = 1;
F_SetFd = 2;
F_GetFl = 3;
F_SetFl = 4;
F_GetLk = 5;
F_SetLk = 6;
F_SetLkW = 7;
F_SetOwn = 8;
F_GetOwn = 9;
{ getrlimit/ugetrlimit resource parameter constants }
const
RLIMIT_CPU = 0; { CPU time in ms }
RLIMIT_FSIZE = 1; { Maximum filesize }
RLIMIT_DATA = 2; { max data size }
RLIMIT_STACK = 3; { max stack size }
RLIMIT_CORE = 4; { max core file size }
RLIMIT_RSS = 5; { max resident set size }
RLIMIT_NPROC = 6; { max number of processes }
RLIMIT_NOFILE = 7; { max number of open files }
RLIMIT_MEMLOCK = 8; { max locked-in-memory address space }
RLIMIT_AS = 9; { address space limit(?) }
RLIMIT_LOCKS = 10; { maximum file locks held }
type
rlim_t = cULong;
PRLimit = ^TRLimit;
TRLimit = record
rlim_cur : rlim_t;
rlim_max : rlim_t;
end;
iovec = record
iov_base : pointer;
iov_len : size_t;
end;
tiovec=iovec;
piovec=^tiovec;
{$if defined(cpupowerpc)}
const
{ FP exception related constants for prctl(); PowerPC specific }
PR_GET_FPEXC = 11; { get floating point exception mode }
PR_SET_FPEXC = 12; { set floating point exception mode }
PR_FP_EXC_DISABLED = 0; { FP exceptions disabled }
PR_FP_EXC_NONREC = 1; { async non-recoverable exc. mode }
PR_FP_EXC_ASYNC = 2; { async recoverable exc. mode }
PR_FP_EXC_PRECISE = 3; { precise exception mode }
{$endif}
{*************************************************************************}
{ SIGNALS }
{*************************************************************************}
{$i signal.inc}
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