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			726 lines
		
	
	
		
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			726 lines
		
	
	
		
			21 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
| {
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|     $Id$
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|     Copyright (c) 2002 by Marco van de Voort
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| 
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|     The base *BSD syscalls required to implement the system unit. These
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|     are aliased for use in other units (to avoid poluting the system units
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|     interface)
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| 
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|     See the file COPYING.FPC, included in this distribution,
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|     for details about the copyright.
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| 
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|     This program is distributed in the hope that it will be useful,
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|     but WITHOUT ANY WARRANTY; without even the implied warranty of
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|     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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| 
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|  ****************************************************************************
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| }
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| 
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| {$i ostypes.inc}
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| 
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| {$ifdef FPC_USE_LIBC}
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|   {$Linklib c}
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|   // Out of date atm.
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| 
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| {$ifdef FPC_IS_SYSTEM}
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| {$i oscdeclh.inc}
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| {$endif}
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| {$I bunxmacr.inc}
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| 
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| {   var
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|      Errno : cint; external name 'errno';
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| 
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|     function Fptime(tloc:ptime_t): time_t; cdecl; external name 'time';
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|     function Fpopen(const path: pchar; flags : cint; mode: mode_t):cint; cdecl; external name 'open';
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|     function Fpclose(fd : cint): cint; cdecl; external name 'close';
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|     function Fplseek(fd : cint; offset : off_t; whence : cint): off_t; cdecl; external name 'lseek';
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|     function Fpread(fd: cint; buf: pchar; nbytes : size_t): ssize_t; cdecl; external name 'read';
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|     function Fpwrite(fd: cint;const buf:pchar; nbytes : size_t): ssize_t; cdecl; external name 'write';
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|     function Fpunlink(const path: pchar): cint; cdecl; external name 'unlink';
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|     function Fprename(const old : pchar; const newpath: pchar): cint; cdecl;external name 'rename';
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|     function Fpstat(const path: pchar; var buf : stat): cint; cdecl; external name 'stat';
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|     function Fpchdir(const path : pchar): cint; cdecl; external name 'chdir';
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|     function Fpmkdir(const path : pchar; mode: mode_t):cint; cdecl; external name 'mkdir';
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|     function Fprmdir(const path : pchar): cint; cdecl; external name 'rmdir';
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|     function Fpopendir(const dirname : pchar): pdir; cdecl; external name 'opendir';
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|     function Fpreaddir(var dirp : dir) : pdirent;cdecl; external name 'readdir';
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|     function Fpclosedir(var dirp : dir): cint; cdecl; external name 'closedir';
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|     procedure Fpexit(status : cint); cdecl; external name '_exit';
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|     function Fpsigaction(sig: cint; var act : sigactionrec; var oact : sigactionrec): cint; cdecl; external name 'sigaction';
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|     function Fpftruncate(fd : cint; flength : off_t): cint; cdecl; external name 'ftruncate';
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|     function Fprename(const old : pchar; const newpath: pchar): cint; cdecl;external name 'rename';
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|     function Fpfstat(fd : cint; var sb : stat): cint; cdecl; external name 'fstat';
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|     function Fpfork : pid_t; cdecl; external name 'fork';
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|     function Fpexecve(const path : pchar; const argv : ppchar; const envp: ppchar): cint; cdecl; external name 'execve';
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|     function Fpwaitpid(pid : pid_t; tat_loc : pcint; options: cint): pid_t; cdecl; external name 'waitpid';
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|     function Fpaccess(const pathname : pchar; amode : cint): cint; cdecl; external name 'access';
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| 
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|     function Fpuname(var name: utsname): cint; cdecl; external name 'uname';
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| 
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|     function FpDup(oldd:cint):cint; cdecl; external name 'dup';
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|     function FpDup2(oldd:cint;newd:cint):cint; cdecl; external name 'dup2';
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| }
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| {$else}
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| 
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| {*****************************************************************************
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|                      --- Main:The System Call Self ---
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| *****************************************************************************}
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| 
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| { The system designed for Linux can't be used for *BSD so easily, since
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|   *BSD pushes arguments, instead of loading them to registers.}
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| 
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| // Var ErrNo : Longint;
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| 
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| {$I syscallh.inc}
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| {$I syscall.inc}
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| {$I sysnr.inc}
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| {$I bunxmacr.inc}
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| 
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| // Should be moved to a FreeBSD specific unit in the future.
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| 
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| function Fptime( tloc:ptime): time_t; [public, alias : 'FPC_SYSC_TIME'];
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| 
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| VAR tv     : timeval;
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|     tz     : timezone;
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|     retval : longint;
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| 
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| begin
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|   Retval:=do_syscall(syscall_nr_gettimeofday,TSysParam(@tv),TSysParam(@tz));
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|   If retval=-1 then
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|    Fptime:=-1
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|   else
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|    Begin
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|    If Assigned(tloc) Then
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|      TLoc^:=tv.tv_sec;
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|     Fptime:=tv.tv_sec;
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|    End;
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| End;
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| 
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| {*****************************************************************************
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|                --- File:File handling related calls ---
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| *****************************************************************************}
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| 
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| function Fpopen(path: pchar; flags : cint; mode: mode_t):cint; [public, alias : 'FPC_SYSC_OPEN'];
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| 
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| Begin
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|  Fpopen:=do_syscall(syscall_nr_open,TSysParam(path),TSysParam(flags),TSysParam(mode));
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| End;
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| 
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| function Fpclose(fd : cint): cint; [public, alias : 'FPC_SYSC_CLOSE'];
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| 
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| begin
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|  Fpclose:=do_syscall(syscall_nr_close,fd);
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| end;
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| 
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| {$ifdef netbsd}
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|   {$ifdef cpupowerpc}
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|     {$define netbsdmacppc}
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|   {$endif}
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| {$endif}
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| 
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| {$ifdef netbsdmacppc}
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| {$i sysofft.inc}                        // odd ball calling convention.
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| {$else}
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|   // generic versions.
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| function Fplseek(fd : cint; offset : off_t; whence : cint): off_t; [public, alias : 'FPC_SYSC_LSEEK'];
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| 
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| {
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| this one is special for the return value being 64-bit..
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| hi/lo offset not yet tested.
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| 
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| NetBSD: ok, but implicit return value in edx:eax
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| FreeBSD: same implementation as NetBSD.
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| }
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| 
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| begin
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|   Fplseek:=do_syscall(syscall_nr___syscall,syscall_nr_lseek,0,TSysParam(fd),0,lo(Offset),{0} hi(offset),Whence);
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| end;
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| 
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| function Fpftruncate(fd : cint; flength : off_t): cint; [public, alias : 'FPC_SYSC_FTRUNCATE'];
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| 
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| begin
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|  Fpftruncate:=Do_syscall(syscall_nr___syscall,syscall_nr_ftruncate,0,fd,0,lo(flength),hi(flength));
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| end;
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| 
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| {$ifdef VER1_0}
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|  {$DEFINE FPC_LITTLE_ENDIAN}
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| {$endif}
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| 
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| Function Fpmmap(start:pointer;len:size_t;prot:cint;flags:cint;fd:cint;offst:off_t):pointer; [public, alias:  'FPC_SYSC_MMAP'];
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| 
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| begin
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|   Fpmmap:=pointer(longint(do_syscall(syscall_nr_mmap,TSysParam(Start),Len,Prot,Flags,fd,
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| 	{$ifdef FPC_BIG_ENDIAN}    hi(offst),lo(offst){$endif}
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| 	{$ifdef FPC_LITTLE_ENDIAN} lo(offst),hi(offst){$endif}
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|         )));
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| end;
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| 
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| {$endif}
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| 
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| 
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| function Fpread(fd: cint; buf: pchar; nbytes : size_t): ssize_t; [public, alias : 'FPC_SYSC_READ'];
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| 
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| begin
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|   Fpread:=do_syscall(syscall_nr_read,Fd,TSysParam(buf),nbytes);
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| end;
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| 
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| function Fpwrite(fd: cint;buf:pchar; nbytes : size_t): ssize_t; [public, alias : 'FPC_SYSC_WRITE'];
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| 
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| begin
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|  Fpwrite:=do_syscall(syscall_nr_write,Fd,TSysParam(buf),nbytes);
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| end;
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| 
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| function Fpunlink(const path: pchar): cint; [public, alias : 'FPC_SYSC_UNLINK'];
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| 
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| begin
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|   Fpunlink:=do_syscall(syscall_nr_unlink,TSysParam(path));
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| end;
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| 
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| function Fprename(old : pchar; newpath: pchar): cint; [public, alias : 'FPC_SYSC_RENAME'];
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| 
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| begin
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|   Fprename:=do_syscall(syscall_nr_rename,TSysParam(old),TSysParam(newpath));
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| end;
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| 
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| function Fpstat(const path: pchar; var buf : stat):cint; [public, alias : 'FPC_SYSC_STAT'];
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| 
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| begin
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|  Fpstat:=do_syscall(syscall_nr_stat,TSysParam(path),TSysParam(@buf));
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| end;
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| 
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| 
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| {*****************************************************************************
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|                --- Directory:Directory related calls ---
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| *****************************************************************************}
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| 
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| function Fpchdir(path : pchar): cint; [public, alias : 'FPC_SYSC_CHDIR'];
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| 
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| begin
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|  Fpchdir:=do_syscall(syscall_nr_chdir,TSysParam(path));
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| end;
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| 
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| function Fpmkdir(path : pchar; mode: mode_t):cint; [public, alias : 'FPC_SYSC_MKDIR'];
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| 
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| begin {Mode is 16-bit on F-BSD 4!}
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|   Fpmkdir:=do_syscall(syscall_nr_mkdir,TSysParam(path),mode);
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| end;
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| 
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| function Fprmdir(path : pchar): cint;  [public, alias : 'FPC_SYSC_RMDIR'];
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| 
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| begin
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|  Fprmdir:=do_syscall(syscall_nr_rmdir,TSysParam(path));
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| end;
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| 
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| {$ifndef NewReaddir}
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| 
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| const DIRBLKSIZ=1024;
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| 
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| 
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| function Fpopendir(dirname : pchar): pdir;  [public, alias : 'FPC_SYSC_OPENDIR'];
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| 
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| var
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|   fd:longint;
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|   st:stat;
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|   ptr:pdir;
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| begin
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|   Fpopendir:=nil;
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|   if Fpstat(dirname,st)<0 then
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|    exit;
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| { Is it a dir ? }
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|   if not((st.st_mode and $f000)=$4000)then
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|    begin
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|      errno:=ESysENOTDIR;
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|      exit
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|    end;
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| { Open it}
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|   fd:=Fpopen(dirname,O_RDONLY,438);
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|   if fd<0 then
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|    Begin
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|     Errno:=-1;
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|     exit;
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|    End;
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|   new(ptr);
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|   if ptr=nil then
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|    Begin
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|     Errno:=1;
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|     exit;
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|    End;
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|   Getmem(ptr^.dd_buf,2*DIRBLKSIZ);
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|   if ptr^.dd_buf=nil then
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|    exit;
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|   ptr^.dd_fd:=fd;
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|   ptr^.dd_loc:=-1;
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|   ptr^.dd_rewind:=longint(ptr^.dd_buf);
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|   ptr^.dd_size:=0;
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| //  ptr^.dd_max:=sizeof(ptr^.dd_buf^);
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|   Fpopendir:=ptr;
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| end;
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| 
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| function Fpclosedir(dirp : pdir): cint; [public, alias : 'FPC_SYSC_CLOSEDIR'];
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| 
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| begin
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|   Fpclosedir:=Fpclose(dirp^.dd_fd);
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|   Freemem(dirp^.dd_buf);
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|   dispose(dirp);
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| end;
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| 
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| function Fpreaddir(dirp : pdir) : pdirent; [public, alias : 'FPC_SYSC_READDIR'];
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| 
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| {Different from Linux, Readdir on BSD is based on Getdents, due to the
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| missing of the readdir syscall.
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| Getdents requires the buffer to be larger than the blocksize.
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| This usually the sectorsize =512 bytes, but maybe tapedrives and harddisks
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| with blockmode have this higher?}
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| 
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| function readbuffer:longint;
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| 
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| var retval :longint;
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| 
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| begin
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|  Retval:=do_syscall(syscall_nr_getdents,TSysParam(dirp^.dd_fd),TSysParam(@dirp^.dd_buf^),DIRBLKSIZ {sizeof(getdentsbuffer)});
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|    dirp^.dd_rewind:=TSysParam(dirp^.dd_buf);
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|    if retval=0 then
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|     begin
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|      dirp^.dd_rewind:=0;
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|      dirp^.dd_loc:=0;
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|     end
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|    else
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|     dirP^.dd_loc:=retval;
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|  readbuffer:=retval;
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| end;
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| 
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| var
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|     FinalEntry     : pdirent;
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|     novalid        : boolean;
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|     Reclen         : Longint;
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|     CurEntry       : PDirent;
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| 
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| begin
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|  if (dirp^.dd_buf=nil) or (dirp^.dd_loc=0) THEN
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|   exit(nil);
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|  if (dirp^.dd_loc=-1)   OR     {First readdir on this pdir. Initial fill of buffer}
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|    (dirp^.dd_rewind>=(longint(dirp^.dd_buf)+dirblksiz)) then  {no more entries left?}
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|   Begin
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|     if readbuffer=0 then        {succesful read?}
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|      Exit(NIL);                 {No more data}
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|   End;
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|  FinalEntry:=NIL;
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|  CurEntry:=nil;
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|  repeat
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|   novalid:=false;
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|   CurEntry:=pdirent(dirp^.dd_rewind);
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|   RecLen:=CurEntry^.d_reclen;
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|   if RecLen<>0 Then
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|    begin {valid direntry?}
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|     if CurEntry^.d_fileno<>0 then
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|      FinalEntry:=CurEntry;
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|     inc(dirp^.dd_rewind,Reclen);
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|    end
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|   else
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|    begin {block entirely searched or reclen=0}
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|     Novalid:=True;
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|     if dirp^.dd_loc<>0 THEN             {blocks left?}
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|      if readbuffer()<>0 then        {succesful read?}
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|       novalid:=false;
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|    end;
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|  until (FinalEntry<>nil) or novalid;
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|  If novalid then
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|   FinalEntry:=nil;
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|  FpReadDir:=FinalEntry;
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| end;
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| {$endif}
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| 
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| {*****************************************************************************
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|         --- Process:Process & program handling - related calls ---
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| *****************************************************************************}
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| 
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| procedure Fpexit(status : cint); [public, alias : 'FPC_SYSC_EXIT'];
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| 
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| begin
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|   do_syscall(syscall_nr_exit,status);
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| end;
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| 
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| {
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|   Change action of process upon receipt of a signal.
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|   Signum specifies the signal (all except SigKill and SigStop).
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|   If Act is non-nil, it is used to specify the new action.
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|   If OldAct is non-nil the previous action is saved there.
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| }
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| 
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| function Fpsigaction(sig: cint; var act : sigactionrec; var oact : sigactionrec): cint; [public, alias : 'FPC_SYSC_SIGACTION'];
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| 
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| {
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|   Change action of process upon receipt of a signal.
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|   Signum specifies the signal (all except SigKill and SigStop).
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|   If Act is non-nil, it is used to specify the new action.
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|   If OldAct is non-nil the previous action is saved there.
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| }
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| 
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| begin
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|   do_syscall(syscall_nr_sigaction,TSysParam(sig),TSysParam(@act),TSysParam(@oact));
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| end;
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| 
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| (*=================== MOVED from sysunix.inc ========================*)
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| 
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| 
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| function Fpfstat(fd : cint; var sb : stat): cint;  [public, alias : 'FPC_SYSC_FSTAT'];
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| 
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| begin
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|   fpFStat:=do_SysCall(syscall_nr_fstat,fd,TSysParam(@sb));
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| end;
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| 
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| {$ifdef NewReaddir}
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| {$I readdir.inc}
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| {$endif}
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| 
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| function Fpfork : pid_t;  [public, alias : 'FPC_SYSC_FORK'];
 | |
| {
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|   This function issues the 'fork' System call. the program is duplicated in memory
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|   and Execution continues in parent and child process.
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|   In the parent process, fork returns the PID of the child. In the child process,
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|   zero is returned.
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|   A negative value indicates that an error has occurred, the error is returned in
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|   LinuxError.
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| }
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| 
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| Begin
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|  Fpfork:=Do_syscall(SysCall_nr_fork);
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| End;
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| 
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| {
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| function Fpexecve(const path : pathstr; const argv : ppchar; const envp: ppchar): cint;
 | |
| }
 | |
| {
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|   Replaces the current program by the program specified in path,
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|   arguments in args are passed to Execve.
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|   environment specified in ep is passed on.
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| }
 | |
| 
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| {
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| Begin
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|   path:=path+#0;
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|   do_syscall(syscall_nr_Execve,TSysParam(@path[1]),TSysParam(Argv),TSysParam(envp));
 | |
| End;
 | |
| }
 | |
| {
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| function Fpexecve(const path : pchar; const argv : ppchar; const envp: ppchar): cint;  [public, alias : 'FPC_SYSC_EXECVE'];
 | |
| }
 | |
| {
 | |
|   Replaces the current program by the program specified in path,
 | |
|   arguments in args are passed to Execve.
 | |
|   environment specified in ep is passed on.
 | |
| }
 | |
| {
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| Begin
 | |
|   do_syscall(syscall_nr_Execve,TSysParam(path),TSysParam(Argv),TSysParam(envp));
 | |
| End;
 | |
| }
 | |
| function Fpwaitpid(pid : pid_t; stat_loc : pcint; options: cint): pid_t; [public, alias : 'FPC_SYSC_WAITPID'];
 | |
| {
 | |
|   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
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|   be a longint.
 | |
| }
 | |
| 
 | |
| begin // actually a wait4() call with 4th arg 0.
 | |
|  FpWaitPID:=do_syscall(syscall_nr_WaitPID,PID,TSysParam(Stat_loc),options,0);
 | |
| end;
 | |
| 
 | |
| function Fpaccess(const pathname : pchar; amode : cint): cint; [public, alias : 'FPC_SYSC_ACCESS'];
 | |
| {
 | |
|   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 unixerror.
 | |
| }
 | |
| 
 | |
| begin
 | |
|  FpAccess:=do_syscall(syscall_nr_access,TSysParam(pathname),amode);
 | |
| end;
 | |
| {
 | |
| function Fpaccess(const pathname : pathstr; amode : cint): cint;
 | |
| 
 | |
| {
 | |
|   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 unixerror.
 | |
| }
 | |
| 
 | |
| begin
 | |
|  pathname:=pathname+#0;
 | |
|  Access:=do_syscall(syscall_nr_access, TSysParam(@pathname[1]),mode)=0;
 | |
| end;
 | |
| }
 | |
| 
 | |
| Function FpDup(fildes:cint):cint; [public, alias : 'FPC_SYSC_DUP'];
 | |
| 
 | |
| begin
 | |
|   Fpdup:=Do_syscall(syscall_nr_dup,TSysParam(fildes));
 | |
| end;
 | |
| 
 | |
| Function FpDup2(fildes,fildes2:cint):cint; [public, alias : 'FPC_SYSC_DUP2'];
 | |
| 
 | |
| begin
 | |
|  Fpdup2:=do_syscall(syscall_nr_dup2,TSysParam(fildes),TSysParam(fildes2));
 | |
| end;
 | |
| 
 | |
| 
 | |
| 
 | |
| Function Fpmunmap(start:pointer;len:size_t):cint;    [public, alias :'FPC_SYSC_MUNMAP'];
 | |
| begin
 | |
|   Fpmunmap:=do_syscall(syscall_nr_munmap,TSysParam(start),Len);
 | |
| 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 FpIOCtl(Handle:cint;Ndx: culong;Data: Pointer):cint; [public, alias : 'FPC_SYSC_IOCTL'];
 | |
| // This was missing here, instead hardcoded in Do_IsDevice
 | |
| begin
 | |
|   FpIOCtl:=do_SysCall(syscall_nr_ioctl,handle,Ndx,TSysParam(data));
 | |
| end;
 | |
| 
 | |
| 
 | |
| Function FpGetPid:LongInt;   [public, alias : 'FPC_SYSC_GETPID'];
 | |
| {
 | |
|   Get Process ID.
 | |
| }
 | |
| 
 | |
| begin
 | |
|  FpGetPID:=do_syscall(syscall_nr_getpid);
 | |
| end;
 | |
| 
 | |
| function fpgettimeofday(tp: ptimeval;tzp:ptimezone):cint; [public, alias: 'FPC_SYSC_GETTIMEOFDAY'];
 | |
| 
 | |
| begin
 | |
|  fpgettimeofday:=do_syscall(syscall_nr_gettimeofday,TSysParam(tp),TSysParam(tzp));
 | |
| end;
 | |
| 
 | |
| function FPSigProcMask(how:cint;nset : psigset;oset : psigset):cint; [public, alias : 'FPC_SYSC_SIGPROCMASK'];
 | |
| 
 | |
| {
 | |
|   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.
 | |
| }
 | |
| 
 | |
| begin
 | |
|   FPsigprocmask:=do_syscall(syscall_nr_sigprocmask,longint(how),longint(nset),longint(oset));
 | |
| end;
 | |
| {$user BLA!}
 | |
| Function FpNanoSleep(req : ptimespec;rem : ptimespec) : cint; [public, alias : 'FPC_SYSC_NANOSLEEP'];
 | |
| begin
 | |
|   FpNanoSleep:=Do_SysCall(syscall_nr_nanosleep,TSysParam(req),TSysParam(rem));
 | |
| end;
 | |
| 
 | |
| function Fpgetcwd(pt:pchar; _size:size_t):pchar;[public, alias :'FPC_SYSC_GETCWD'];
 | |
| const intpathmax = 1024-4;      // didn't use POSIX data in libc
 | |
|                                 // implementation.
 | |
| var ept,bpt : pchar;
 | |
|     c       : char;
 | |
|     ret     : cint;
 | |
| 
 | |
| begin
 | |
|    if pt=NIL Then
 | |
|     begin
 | |
|       // POSIX: undefined. (exit(nil) ?)
 | |
|       // BSD  : allocate mem for path.
 | |
|       getmem(pt,intpathmax);
 | |
|       if pt=nil Then
 | |
|         exit(nil);
 | |
|       ept:=pt+intpathmax;
 | |
|     end
 | |
|    else
 | |
|     Begin
 | |
|       if (_size=0) Then
 | |
|         Begin
 | |
|           seterrno(ESysEINVAL);
 | |
|           exit(nil);
 | |
|         End;
 | |
|       if (_size=1) Then
 | |
|         Begin
 | |
|           seterrno(ESysERANGE);
 | |
|           exit(nil);
 | |
|         End;
 | |
|       ept:=pt+_size;
 | |
|     end;
 | |
| 
 | |
|     ret := do_syscall(syscall_nr___getcwd,TSysParam(pt),TSysParam( ept - pt));
 | |
|     If (ret = 0) Then
 | |
|         If (pt[0] <> '/') Then
 | |
|            Begin
 | |
|              bpt := pt;
 | |
|              ept := pt + strlen(pt) - 1;
 | |
|              While (bpt < ept) Do
 | |
|                Begin
 | |
|                  c := bpt^;
 | |
|                  bpt^:=ept^;
 | |
|                  inc(bpt);
 | |
|                  ept^:=c;
 | |
|                  dec(ept);
 | |
|                End;
 | |
|            End;
 | |
|  Fpgetcwd:=pt;
 | |
| end;
 | |
| 
 | |
| {$endif}
 | |
| 
 | |
| CONST
 | |
|   IOCtl_TCGETS=$5401;
 | |
| 
 | |
| Function Do_IsDevice(Handle:Longint):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
 | |
|   Data : array[0..255] of byte; {Large enough for termios info}
 | |
| begin
 | |
|   Do_IsDevice:=(Fpioctl(handle,IOCTL_TCGETS,@data)<>-1);
 | |
| end;
 | |
| 
 | |
| 
 | |
| CONST
 | |
|  { Constansts for MMAP }
 | |
|   MAP_PRIVATE   =2;
 | |
|   MAP_ANONYMOUS =$1000;
 | |
| 
 | |
| Function sbrk(size : cint) : pointer;
 | |
| begin
 | |
|   sbrk:=Fpmmap(nil,cardinal(Size),3,MAP_PRIVATE+MAP_ANONYMOUS,-1,0);
 | |
|   if sbrk=pointer(-1) then
 | |
|     sbrk:=nil
 | |
|   else
 | |
|     seterrno(0);
 | |
| end;
 | |
| 
 | |
| 
 | |
| {
 | |
|  $Log$
 | |
|  Revision 1.19  2004-07-18 11:32:24  marco
 | |
|   * small 1.0.x fix to earlier patch
 | |
| 
 | |
|  Revision 1.18  2004/07/17 16:02:58  marco
 | |
|   * generalised the {$ifdef cpu_i386} ..powerpc stuff to FPC_BIG_ENDIAN and
 | |
|  FPC_LITTLE_ENDIAN
 | |
| 
 | |
|  Revision 1.17  2004/02/06 20:47:00  jonas
 | |
|    + fpnanosleep for oscdeclh.inc
 | |
|    - removed obsolete darwin remarks from bsd/ossysc.inc
 | |
| 
 | |
|  Revision 1.16  2003/12/30 12:26:21  marco
 | |
|   * FPC_USE_LIBC
 | |
| 
 | |
|  Revision 1.15  2003/12/16 19:43:59  marco
 | |
|   * nil <-> 0 changes
 | |
| 
 | |
|  Revision 1.14  2003/10/26 17:01:04  marco
 | |
|   * moved sigprocmask to system
 | |
| 
 | |
|  Revision 1.13  2003/10/17 22:10:30  olle
 | |
|    * changed i386 to cpui386
 | |
| 
 | |
|  Revision 1.12  2003/09/27 13:45:58  peter
 | |
|    * fpnanosleep exported in baseunix
 | |
|    * fpnanosleep has pointer arguments to be C compliant
 | |
| 
 | |
|  Revision 1.10  2003/09/20 12:38:29  marco
 | |
|   * FCL now compiles for FreeBSD with new 1.1. Now Linux.
 | |
| 
 | |
|  Revision 1.9  2003/09/17 16:02:31  marco
 | |
|   * ostype include moved to top
 | |
| 
 | |
|  Revision 1.8  2003/09/16 12:45:49  marco
 | |
|   * mmap typing fixes
 | |
| 
 | |
|  Revision 1.7  2003/09/15 20:08:49  marco
 | |
|   * small fixes. FreeBSD now cycles
 | |
| 
 | |
|  Revision 1.6  2003/09/14 20:15:01  marco
 | |
|   * Unix reform stage two. Remove all calls from Unix that exist in Baseunix.
 | |
| 
 | |
|  Revision 1.5  2003/08/21 22:23:34  olle
 | |
|    - removed parameter from fpc_iocheck
 | |
| 
 | |
|  Revision 1.4  2003/05/29 21:45:23  marco
 | |
|   * Some other workaround
 | |
| 
 | |
|  Revision 1.3  2003/05/29 20:52:55  marco
 | |
|   * only moved around the off_t calls, and made an exception (includefile)
 | |
|  for NetBSD/powerpc
 | |
| 
 | |
|  Revision 1.2  2003/05/26 21:29:16  jonas
 | |
|    - disabled nanosleep for darwin for now
 | |
|    + getcwd for darwin
 | |
| 
 | |
|  Revision 1.1  2003/01/05 19:01:28  marco
 | |
|   * FreeBSD compiles now with baseunix mods.
 | |
| 
 | |
|  Revision 1.9  2002/11/13 18:15:08  marco
 | |
|   * sigset functions more flexible, small changes to sys_ktime
 | |
| 
 | |
|  Revision 1.8  2002/10/27 17:21:29  marco
 | |
|   * Only "difficult" functions + execvp + termios + rewinddir left to do
 | |
| 
 | |
|  Revision 1.7  2002/10/27 11:58:29  marco
 | |
|   * Modifications from Saturday.
 | |
| 
 | |
|  Revision 1.6  2002/10/26 18:27:51  marco
 | |
|   * First series POSIX calls commits. Including getcwd.
 | |
| 
 | |
|  Revision 1.5  2002/10/18 12:19:58  marco
 | |
|   * Fixes to get the generic *BSD RTL compiling again + fixes for thread
 | |
|     support. Still problems left in fexpand. (inoutres?) Therefore fixed
 | |
|     sysposix not yet commited
 | |
| 
 | |
|  Revision 1.4  2002/10/16 18:44:18  marco
 | |
|   * Lseek and ftruncate 64-bit fix
 | |
| 
 | |
|  Revision 1.3  2002/09/07 16:01:17  peter
 | |
|    * old logs removed and tabs fixed
 | |
| 
 | |
|  Revision 1.2  2002/08/21 07:03:16  marco
 | |
|   * Fixes from Tuesday.
 | |
| 
 | |
|  Revision 1.1  2002/08/19 12:29:11  marco
 | |
|   * First working POSIX *BSD system unit.
 | |
| 
 | |
| 
 | |
|  Revision 1.2  2002/08/04 04:29:34  marco
 | |
|   * More POSIX updates. Small changes to lseek and ftruncate in osposix.inc
 | |
|     Initial versions of the type includefiles
 | |
| 
 | |
|  Revision 1.1  2002/08/03 19:34:19  marco
 | |
|   * Initial *BSD versions. Seems that OpenBSD doesn't need much change,
 | |
|      NetBSD may need some fixes to stat record and ftruncate and lseek.
 | |
|      It is all close together, and it should be doable to have just one copy
 | |
|      of these for *BSD.
 | |
| 
 | |
| }
 | 
