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64 lines
1.6 KiB
PHP
64 lines
1.6 KiB
PHP
{
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This file is part of the Free Pascal run time library.
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(c) 2002 by Marco van de Voort
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members of the Free Pascal development team.
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Generic POSIX signal functions draft. Based on a few constants.
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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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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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function fpFD_SET(fdno:cint;var nset : TFDSet): cint;
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Begin
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if (fdno<0) or (fdno > FD_MAXFDSET) Then
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exit(-1);
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nset[fdno shr ln2bitsinword]:=nset[(fdno) shr ln2bitsinword] OR (culong(1) shl ((fdno) and ln2bitmask));
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fpFD_SET:=0;
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End;
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function fpFD_CLR(fdno:cint;var nset : TFDSet): cint;
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Begin
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if (fdno<0) or (fdno > FD_MAXFDSET) Then
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exit(-1);
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nset[(fdno) shr ln2bitsinword]:=nset[(fdno) shr ln2bitsinword] AND Cardinal(NOT (culong(1) shl ((fdno) and ln2bitmask)));
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fpFD_CLR:=0;
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End;
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function fpFD_ZERO(out nset : TFDSet):cint;
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var i :longint;
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Begin
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for i:=0 to wordsinfdset-1 DO nset[i]:=0;
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fpFD_ZERO:=0;
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End;
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function fpfdfillset(var nset : TFDSet):cint;
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var i :longint;
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Begin
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for i:=0 to wordsinfdset-1 DO nset[i]:=Cardinal(NOT 0);
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fpfdfillset:=0;
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End;
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function fpFD_ISSET(fdno:cint;const nset : TFDSet): cint;
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Begin
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if (fdno<0) or (fdno > FD_MAXFDSET) Then
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exit(-1);
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if ((nset[fdno shr ln2bitsinword]) and (culong(1) shl ((fdno) and ln2bitmask)))>0 Then
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fpFD_ISSET:=1
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else
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fpFD_ISSET:=0;
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End;
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