mirror of
https://gitlab.com/freepascal.org/fpc/source.git
synced 2025-11-04 09:39:32 +01:00
275 lines
6.1 KiB
ObjectPascal
275 lines
6.1 KiB
ObjectPascal
{
|
|
$Id$
|
|
This file is part of the Free Pascal run time librar~y.
|
|
Copyright (c) 2000 by Marco van de Voort
|
|
member of the Free Pascal development team.
|
|
|
|
System unit for the *BSD's.
|
|
|
|
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.
|
|
|
|
**********************************************************************}
|
|
|
|
{ These things are set in the makefile, }
|
|
{ But you can override them here.}
|
|
|
|
{ If you use an aout system, set the conditional AOUT}
|
|
{ $Define AOUT}
|
|
|
|
Unit {$ifdef VER1_0}SysBSD{$else}System{$endif};
|
|
|
|
Interface
|
|
|
|
|
|
{$define FPC_USE_SIGPROCMASK}
|
|
{$define FPC_USE_SIGALTSTACK}
|
|
|
|
{$ifndef FPC_USE_LIBC}
|
|
{$define FPC_USE_SYSCALL}
|
|
{$endif}
|
|
|
|
|
|
{$define FPC_IS_SYSTEM}
|
|
|
|
{$I sysunixh.inc}
|
|
|
|
{$ifdef Darwin}
|
|
var argc:cardinal;
|
|
argv:PPchar;
|
|
envp:PPchar;
|
|
{$endif}
|
|
|
|
CONST SIGSTKSZ = 40960;
|
|
|
|
Implementation
|
|
|
|
{$ifdef FPC_USE_LIBC}
|
|
|
|
const clib = 'c';
|
|
|
|
type libcint=longint;
|
|
plibcint=^libcint;
|
|
|
|
{$ifdef FreeBSD} // tested on x86
|
|
function geterrnolocation: Plibcint; cdecl;external clib name '__error';
|
|
{$else}
|
|
{$ifdef NetBSD} // from a sparc dump.
|
|
function geterrnolocation: Plibcint; cdecl;external clib name '__errno';
|
|
{$else}
|
|
{$ifdef Darwin}
|
|
function geterrnolocation: Plibcint; cdecl;external clib name '__error';
|
|
{$else}
|
|
{$ifdef OpenBSD}
|
|
|
|
var libcerrno : libcint; cvar;
|
|
|
|
function geterrnolocation: Plibcint; cdecl;
|
|
|
|
begin
|
|
geterrnolocation:=@libcerrno;
|
|
end;
|
|
|
|
{$else}
|
|
{$endif}
|
|
{$endif}
|
|
{$endif}
|
|
{$endif}
|
|
|
|
function geterrno:libcint; [public, alias: 'FPC_SYS_GETERRNO'];
|
|
|
|
begin
|
|
geterrno:=geterrnolocation^;
|
|
end;
|
|
|
|
procedure seterrno(err:libcint); [public, alias: 'FPC_SYS_SETERRNO'];
|
|
begin
|
|
geterrnolocation^:=err;
|
|
end;
|
|
|
|
{$else}
|
|
{$ifdef ver1_0}
|
|
Var
|
|
{$else}
|
|
threadvar
|
|
{$endif}
|
|
Errno : longint;
|
|
|
|
function geterrno:longint; [public, alias: 'FPC_SYS_GETERRNO'];
|
|
|
|
begin
|
|
GetErrno:=Errno;
|
|
end;
|
|
|
|
procedure seterrno(err:longint); [public, alias: 'FPC_SYS_SETERRNO'];
|
|
|
|
begin
|
|
Errno:=err;
|
|
end;
|
|
{$endif}
|
|
|
|
{ OS independant parts}
|
|
|
|
{$I system.inc}
|
|
|
|
{*****************************************************************************
|
|
OS Memory allocation / deallocation
|
|
****************************************************************************}
|
|
|
|
{ OS dependant parts }
|
|
|
|
{$I errno.inc}
|
|
{$I bunxtype.inc}
|
|
{$I ossysc.inc}
|
|
{$I osmain.inc}
|
|
|
|
function SysOSAlloc(size: ptrint): pointer;
|
|
begin
|
|
result := sbrk(size);
|
|
end;
|
|
|
|
{$define HAS_SYSOSFREE}
|
|
|
|
procedure SysOSFree(p: pointer; size: ptrint);
|
|
begin
|
|
fpmunmap(p, size);
|
|
end;
|
|
|
|
|
|
{$I text.inc}
|
|
{$I heap.inc}
|
|
|
|
|
|
{*****************************************************************************
|
|
UnTyped File Handling
|
|
*****************************************************************************}
|
|
|
|
|
|
{$i file.inc}
|
|
|
|
{*****************************************************************************
|
|
Typed File Handling
|
|
*****************************************************************************}
|
|
|
|
{$i typefile.inc}
|
|
|
|
procedure SysInitStdIO;
|
|
begin
|
|
OpenStdIO(Input,fmInput,StdInputHandle);
|
|
OpenStdIO(Output,fmOutput,StdOutputHandle);
|
|
OpenStdIO(StdOut,fmOutput,StdOutputHandle);
|
|
OpenStdIO(StdErr,fmOutput,StdErrorHandle);
|
|
end;
|
|
|
|
|
|
{$ifdef FPC_USE_LIBC}
|
|
|
|
{ can also be used with other BSD's if they use the system's crtX instead of prtX }
|
|
|
|
{$ifdef Darwin}
|
|
procedure pascalmain; external name 'PASCALMAIN';
|
|
|
|
{ Main entry point in C style, needed to capture program parameters. }
|
|
procedure main(argcparam: Longint; argvparam: ppchar; envpparam: ppchar); cdecl; [public];
|
|
|
|
begin
|
|
argc:= argcparam;
|
|
argv:= argvparam;
|
|
envp:= envpparam;
|
|
pascalmain; {run the pascal main program}
|
|
end;
|
|
{$endif Darwin}
|
|
{$endif FPC_USE_LIBC}
|
|
|
|
|
|
|
|
Begin
|
|
IsConsole := TRUE;
|
|
IsLibrary := FALSE;
|
|
StackBottom := Sptr - StackLength;
|
|
{ Set up signals handlers }
|
|
InstallSignals;
|
|
{ Setup heap }
|
|
InitHeap;
|
|
SysInitExceptions;
|
|
{ Arguments }
|
|
SetupCmdLine;
|
|
{ Setup stdin, stdout and stderr }
|
|
SysInitStdIO;
|
|
{ Reset IO Error }
|
|
InOutRes:=0;
|
|
(* This should be changed to a real value during *)
|
|
(* thread driver initialization if appropriate. *)
|
|
ThreadID := 1;
|
|
{$ifdef HASVARIANT}
|
|
initvariantmanager;
|
|
{$endif HASVARIANT}
|
|
End.
|
|
|
|
{
|
|
$Log$
|
|
Revision 1.18 2004-07-03 22:49:34 daniel
|
|
* Moved declarations downwards
|
|
|
|
Revision 1.17 2004/07/03 22:44:37 daniel
|
|
* Declared envp,argc,argv in interface for Darwin
|
|
|
|
Revision 1.16 2004/06/19 08:06:04 marco
|
|
* moved heap.inc and text.inc before sysalloc as suggested. Why wasn't this
|
|
done directly?
|
|
|
|
Revision 1.15 2004/06/17 16:16:13 peter
|
|
* New heapmanager that releases memory back to the OS, donated
|
|
by Micha Nelissen
|
|
|
|
Revision 1.14 2004/01/22 13:46:14 marco
|
|
bsd
|
|
|
|
Revision 1.13 2004/01/20 23:09:14 hajny
|
|
* ExecuteProcess fixes, ProcessID and ThreadID added
|
|
|
|
Revision 1.12 2004/01/04 20:32:05 jonas
|
|
+ geterrnolocation for Darwin
|
|
+ C-style main for Darwin (generic, can be used for anything)
|
|
|
|
Revision 1.11 2003/12/30 12:26:21 marco
|
|
* FPC_USE_LIBC
|
|
|
|
Revision 1.10 2003/10/26 17:01:04 marco
|
|
* moved sigprocmask to system
|
|
|
|
Revision 1.9 2003/10/26 16:42:22 marco
|
|
* texception4 fix merge
|
|
|
|
Revision 1.8 2003/01/05 19:01:28 marco
|
|
* FreeBSD compiles now with baseunix mods.
|
|
|
|
Revision 1.7 2002/11/12 14:57:48 marco
|
|
* Ugly hack to temporarily be able to use system.pp for Linux too
|
|
|
|
Revision 1.6 2002/10/27 11:58:30 marco
|
|
* Modifications from Saturday.
|
|
|
|
Revision 1.5 2002/10/26 18:27:51 marco
|
|
* First series POSIX calls commits. Including getcwd.
|
|
|
|
Revision 1.4 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 1.3 2002/10/13 09:25:39 florian
|
|
+ call to initvariantmanager inserted
|
|
|
|
Revision 1.2 2002/09/07 16:01:17 peter
|
|
* old logs removed and tabs fixed
|
|
|
|
Revision 1.1 2002/08/19 12:29:11 marco
|
|
* First working POSIX *BSD system unit.
|
|
|
|
}
|