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{
This file is part of the Free Pascal run time library.
Copyright (c) 2001,2010 by Free Pascal development team
This file implements all the base types and limits required
for a minimal POSIX compliant subset required to port the compiler
to a new OS.
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.
**********************************************************************}
{***********************************************************************}
{ POSIX TYPE DEFINITIONS }
{***********************************************************************}
{$I ctypes.inc}
{$packrecords c}
type
dev_t = cint32; { used for device numbers }
TDev = dev_t;
pDev = ^dev_t;
gid_t = cuint32; { used for group IDs }
TGid = gid_t;
pGid = ^gid_t;
TIOCtlRequest = cuLong;
ino_t = cuint32; { used for file serial numbers }
TIno = ino_t;
pIno = ^ino_t;
mode_t = cuint32; { used for file attributes }
TMode = mode_t;
pMode = ^mode_t;
nlink_t = cuint32; { used for link counts }
TnLink = nlink_t;
pnLink = ^nlink_t;
off_t = cint64; { used for file sizes }
TOff = off_t;
pOff = ^off_t;
pid_t = cint32; { used as process identifier }
TPid = pid_t;
pPid = ^pid_t;
size_t = cuint32; { as definied in the C standard}
TSize = size_t;
pSize = ^size_t;
pSize_t = ^size_t;
ssize_t = cint32; { used by function for returning number of bytes }
TsSize = ssize_t;
psSize = ^ssize_t;
uid_t = cuint32; { used for user ID type }
TUid = Uid_t;
pUid = ^Uid_t;
wint_t = cint32;
wchar_t = cint32;
pwchar_t = ^wchar_t;
clock_t = culong;
TClock = clock_t;
pClock = ^clock_t;
time_t = clong; { used for returning the time }
// TTime = time_t; // Not allowed in system unit, -> unixtype
pTime = ^time_t;
ptime_t = ^time_t;
socklen_t= cuint32;
TSocklen = socklen_t;
pSocklen = ^socklen_t;
timeval = packed record
tv_sec,
tv_usec : clong;
end;
ptimeval= ^timeval;
TTimeval= timeval;
timespec = packed record
tv_sec : time_t;
tv_nsec : clong;
end;
ptimespec= ^timespec;
Ttimespec= timespec;
pthread_t_rec = record end;
pthread_attr_t_rec = record end;
// See pmutext.inc
// pthread_mutex_t_rec = record end;
pthread_mutexattr_t_rec = record end;
pthread_cond_t_rec = record end;
pthread_condattr_t_rec = record end;
pthread_once_t_rec = record end;
pthread_rwlock_t_rec = record end;
pthread_rwlockattr_t_rec = record end;
pthread_t = ^pthread_t_rec;
pthread_attr_t = ^pthread_attr_t_rec;
pthread_mutex_t = {$i pmutext.inc}
pthread_mutexattr_t = ^pthread_mutexattr_t_rec;
pthread_cond_t = ^pthread_cond_t_rec;
pthread_condattr_t = ^pthread_condattr_t_rec;
pthread_key_t = cint;
pthread_once_t = ^pthread_once_t_rec;
pthread_rwlock_t = ^pthread_rwlock_t_rec;
pthread_rwlockattr_t = ^pthread_rwlockattr_t_rec;
sem_t = pointer;
rlim_t = int64;
TRlim = rlim_t;
{
Mutex types (Single UNIX Specification, Version 2, 1997).
Note that a mutex attribute with one of the following types:
PTHREAD_MUTEX_NORMAL
PTHREAD_MUTEX_RECURSIVE
MUTEX_TYPE_FAST (deprecated)
MUTEX_TYPE_COUNTING_FAST (deprecated)
will deviate from POSIX specified semantics.
}
pthread_mutextype = (
{ Default POSIX mutex }
_PTHREAD_MUTEX_ERRORCHECK := 1,
{ Recursive mutex }
_PTHREAD_MUTEX_RECURSIVE := 2,
{ No error checking }
_PTHREAD_MUTEX_NORMAL := 3,
_MUTEX_TYPE_MAX
);
Const
MNAMLEN = 90; // length of buffer for returned name
MFSNamLen = 16; // length of fs type name, including nul
type
fsid_t = array[0..1] of cint;
ufs_args_rec = record end;
mfs_args_rec = record end;
nfs_args_rec = record end;
isofs_args_rec = record end;
procfs_args_rec = record end;
msdosfs_args_rec = record end;
ntfs_args_rec = record end;
mountinfo = record
case byte of
0: (ufs_args: ^ufs_args_rec);
1: (mfs_args: ^mfs_args_rec);
2: (nfs_args: ^nfs_args_rec);
3: (isofs_args: ^isofs_args_rec);
4: (procfs_args: ^procfs_args_rec);
5: (msdosfs_args: ^msdosfs_args_rec);
6: (ntfs_args: ^ntfs_args_rec);
7: (__align: array[0..159] of char); { 64-bit alignment and room to grow }
end;
// kernel statfs from mount.h
TStatfs = packed record
flags, { copy of mount flags }
bsize, { filesystem block size}
iosize : cint; { optimal transfr block size }
blocks, { total data block in file system }
bfree : cuint64; { blocks free in fs }
bavail : cint64; { block available for non-superuser }
files, { total file nodes in file system }
ffree : cuint64; { free files nodes in fs }
favail : cint64; { free file nodes avail to non-root }
fsyncwrites, { count of sync writes since mount }
fasyncwrites, { count of async writes since mount }
fsyncreads, { count of sync reads since mount }
fasyncreads : cuint64; { count of async reads since mount }
fsid : fsid_t; { file system id }
namemax : cint; { maximum fileystem length }
fowner : tuid; { user that mounted the fileystem }
ctime : cint; { last mount [-u] time }
fspare3 : array[0..2] of cint; { spare for later }
fstypename : array[0..MFSNamLen-1] of char; { fs type name }
mountpoint : array[0..MNAMLEN-1] of char; { directory on which mounted}
mnfromname : array[0..MNAMLEN-1] of char; { mounted file system }
mount_info : mountinfo; { per-filesystem mount options }
end;
PStatFS=^TStatFS;
mbstate_t = record
case byte of
0: (__mbstate8: array[0..127] of char);
1: (_mbstateL: cint64); { for alignment }
end;
pmbstate_t = ^mbstate_t;
ITimerVal= Record
It_Interval,
It_Value : TimeVal;
end;
const
_PTHREAD_MUTEX_DEFAULT = _PTHREAD_MUTEX_ERRORCHECK;
_MUTEX_TYPE_FAST = _PTHREAD_MUTEX_NORMAL;
_MUTEX_TYPE_COUNTING_FAST = _PTHREAD_MUTEX_RECURSIVE;
_PTHREAD_KEYS_MAX = 256;
_PTHREAD_STACK_MIN = 1024;
{ System limits, POSIX value in parentheses, used for buffer and stack allocation }
ARG_MAX = 256*1024; {4096} { Maximum number of argument size }
NAME_MAX = 255; {14} { Maximum number of bytes in filename }
PATH_MAX = 1024; {255} { Maximum number of bytes in pathname }
SYS_NMLN = 256; {BSD utsname struct limit}
SIG_MAXSIG = 33; // highest signal version
// set in ostypes.inc wordsinsigset = 4; // words in sigset_t
{ For getting/setting priority }
Prio_Process = 0;
Prio_PGrp = 1;
Prio_User = 2;
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