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* initial version, taken from bsdfunc.inc, since both linux and bsd use it

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marco 2002-11-14 12:20:30 +00:00
parent 3b33545449
commit 5368a3596b
1 changed files with 80 additions and 0 deletions
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rtl/unix/gensigset.inc Normal file
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{
$Id$
This file is part of the Free Pascal run time library.
(c) 2002 by Marco van de Voort
members of the Free Pascal development team.
Generic POSIX signal functions draft. Based on a few constants.
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.
**********************************************************************}
function sys_sigaddset(var _set : sigset_t;signo:cint): cint;
Begin
if (signo<=0) or (signo > SIG_MAXSIG) Then
Begin
seterrno(sys_EINVAL);
exit(-1);
End;
_set[(signo-1) shr ln2bitsinword]:=_set[(signo-1) shr ln2bitsinword] OR (1 shl ((signo-1) and ln2bitmask));
sys_sigaddset:=0;
End;
function sys_sigdelset(var _set : sigset_t;signo:cint): cint;
Begin
if (signo<=0) or (signo > SIG_MAXSIG) Then
Begin
seterrno(sys_EINVAL);
exit(-1);
End;
_set[(signo-1) shr ln2bitsinword]:=_set[(signo-1) shr ln2bitsinword] AND NOT (1 shl ((signo-1) and ln2bitmask));
sys_sigdelset:=0;
End;
function sys_sigemptyset(var _set : sigset_t):cint;
var i :longint;
Begin
for i:=0 to wordsinsigset-1 DO _set[i]:=0;
sys_sigemptyset:=0;
End;
function sys_sigfillset(var _set : sigset_t):cint;
var i :longint;
Begin
for i:=0 to wordsinsigset DO _set[i]:=NOT 0;
sys_sigfillset:=0;
End;
function sys_sigismember(const _set : sigset_t;signo:cint): cint;
Begin
if (signo<=0) or (signo > SIG_MAXSIG) Then
Begin
seterrno(sys_EINVAL);
exit(-1);
End;
if ((_set[(signo-1) shr ln2bitsinword]) and (1 shl ((signo-1) and ln2bitmask)))>0 Then
sys_sigismember:=1
else
sys_sigismember:=0;
End;
{
$Log$
Revision 1.1 2002-11-14 12:20:30 marco
* initial version, taken from bsdfunc.inc, since both linux and bsd use it
}