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128 lines
3.1 KiB
ObjectPascal
128 lines
3.1 KiB
ObjectPascal
{
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$Id$
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Copyright (c) 1998-2002 by Michael Van Canneyt
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Unit to catch segmentation faults and Ctrl-C and exit gracefully
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under linux and go32v2
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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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. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*********************************************************************
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}
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Unit catch;
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{$i fpcdefs.inc}
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{$ifdef go32v2}
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{ go32v2 stack check goes nuts if ss is not the data selector (PM) }
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{$S-}
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{$endif}
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{$ifdef DEBUG}
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{$define NOCATCH}
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{$endif DEBUG}
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interface
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uses
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{$ifdef unix}
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{$ifndef beos}
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{$define has_signal}
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{$ifdef ver1_0}
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Linux,
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{$else}
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Unix,
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{$endif}
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{$endif}
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{$endif}
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{$ifdef go32v2}
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{$define has_signal}
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dpmiexcp,
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{$endif}
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verbose;
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{$ifdef has_signal}
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Var
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NewSignal,OldSigSegm,
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OldSigInt,OldSigFPE : SignalHandler;
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{$endif}
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Const in_const_evaluation : boolean = false;
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Implementation
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{$ifdef has_signal}
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{$ifdef unix}
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Procedure CatchSignal(Sig : Longint);cdecl;
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{$else}
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Function CatchSignal(Sig : longint):longint;
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{$endif}
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begin
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case Sig of
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SIGSEGV : begin
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{ Temporary message - until we get an error number... }
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writeln ('Panic : Internal compiler error, exiting.');
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internalerror(9999);
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end;
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SIGFPE : begin
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If in_const_evaluation then
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Writeln('FPE error computing constant expression')
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else
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Writeln('FPE error inside compiler');
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Stop;
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end;
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SIGINT : begin
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WriteLn('Ctrl-C Signaled!');
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Stop;
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end;
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end;
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{$ifndef unix}
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CatchSignal:=0;
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{$endif}
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end;
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{$endif def has_signal}
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begin
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{$ifndef nocatch}
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{$ifdef has_signal}
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NewSignal:=SignalHandler({$ifdef fpcprocvar}@{$endif}CatchSignal);
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{$ifndef sunos}
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OldSigSegm:=Signal (SIGSEGV,NewSignal);
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{$endif} // lxrun on solaris hooks this for handling linux-calls!
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OldSigInt:=Signal (SIGINT,NewSignal);
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OldSigFPE:=Signal (SIGFPE,NewSignal);
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{$endif}
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{$endif nocatch}
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end.
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{
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$Log$
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Revision 1.13 2003-04-23 10:10:31 peter
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* unix signalhandler has longint argument
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Revision 1.12 2003/01/10 21:37:48 marco
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* beos shouldnt define hassignal (unix<-> hasunix problem)
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Revision 1.11 2002/05/18 13:34:05 peter
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* readded missing revisions
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Revision 1.10 2002/05/16 19:46:35 carl
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+ defines.inc -> fpcdefs.inc to avoid conflicts if compiling by hand
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+ try to fix temp allocation (still in ifdef)
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+ generic constructor calls
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+ start of tassembler / tmodulebase class cleanup
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}
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