fpc/ide/text/fpcatch.pas
2000-06-22 09:07:11 +00:00

143 lines
3.2 KiB
ObjectPascal

{
$Id$
Copyright (c) 1997-98 by Michael Van Canneyt
Unit to catch segmentation faults and Ctrl-C and exit gracefully
under linux and go32v2
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.
**********************************************************************}
Unit fpcatch;
interface
{$i globdir.inc}
{$ifdef linux}
uses
linux;
{$endif}
{$ifdef go32v2}
uses
dpmiexcp;
{$endif}
{$ifdef HasSignal}
Var
NewSignal,OldSigSegm,OldSigInt : SignalHandler;
{$endif}
Const
CtrlCPressed : Boolean = false;
Implementation
uses
{$ifdef FPC}
keyboard,
drivers,
{$endif FPC}
app,commands,msgbox,
FPString,FPIDE;
{$ifdef HasSignal}
{$ifdef linux}
Procedure CatchSignal(Sig : Integer);cdecl;
{$else}
Function CatchSignal(Sig : longint):longint;
{$endif}
var MustQuit: boolean;
begin
case Sig of
SIGSEGV : begin
if Assigned(Application) then IDEApp.Done;
Writeln('Internal Error caught');
{$ifndef DEBUG}
Halt;
{$else DEBUG}
RunError(216);
{$endif DEBUG}
end;
SIGINT : begin
IF NOT CtrlCPressed and Assigned(Application) then
begin
MustQuit:=false;
{$ifdef FPC}
CtrlCPressed:=true;
Keyboard.PutKeyEvent((kbCtrl shl 16) or kbCtrlC);
{$endif FPC}
end
else
begin
if Assigned(Application) then
MustQuit:=MessageBox(#3+msg_QuitConfirm,nil,mferror+mfyesbutton+mfnobutton)=cmYes
else
MustQuit:=true;
end;
if MustQuit then
begin
if Assigned(Application) then IDEApp.Done;
{$ifndef DEBUG}
Halt;
{$else DEBUG}
RunError(216);
{$endif DEBUG}
end;
end;
end;
{$ifndef linux}
CatchSignal:=0;
{$endif}
end;
{$endif def HasSignal}
begin
{$ifdef HasSignal}
{$ifndef TP}
NewSignal:=SignalHandler(@CatchSignal);
{$else TP}
NewSignal:=SignalHandler(CatchSignal);
{$endif TP}
OldSigSegm:=Signal (SIGSEGV,NewSignal);
OldSigInt:=Signal (SIGINT,NewSignal);
{$endif}
end.
{
$Log$
Revision 1.6 2000-06-22 09:07:11 pierre
* Gabor changes: see fixes.txt
Revision 1.5 2000/05/02 08:42:26 pierre
* new set of Gabor changes: see fixes.txt
Revision 1.4 2000/03/07 21:09:20 pierre
* Use globdir.inc HasSignal conditional
+ Uses PutKeyEvent for CtrlC
Revision 1.3 1999/12/20 14:23:16 pierre
* MyApp renamed IDEApp
* TDebugController.ResetDebuggerRows added to
get resetting of debugger rows
Revision 1.2 1999/04/07 21:55:42 peter
+ object support for browser
* html help fixes
* more desktop saving things
* NODEBUG directive to exclude debugger
Revision 1.1 1999/02/20 15:18:28 peter
+ ctrl-c capture with confirm dialog
+ ascii table in the tools menu
+ heapviewer
* empty file fixed
* fixed callback routines in fpdebug to have far for tp7
}