/usr/share/fpcsrc/2.6.2/compiler/catch.pas is in fpc-source-2.6.2 2.6.2-8.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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Copyright (c) 1998-2002 by Michael Van Canneyt
Unit to catch segmentation faults and Ctrl-C and exit gracefully
under linux and go32v2
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
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. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*********************************************************************
}
Unit catch;
{$i fpcdefs.inc}
{$ifdef DEBUG}
{$define NOCATCH}
{$endif DEBUG}
interface
uses
{ you cannot safely raise an exception inside a signal handler on any OS,
and on darwin this even often crashes
}
{$if defined(unix) and not defined(darwin) }
{$ifndef darwin}
{$define has_signal}
BaseUnix,Unix,
{$endif}
{$endif}
{$ifdef go32v2}
{$define has_signal}
dpmiexcp,
{$endif}
{$ifdef watcom}
{$define has_signal}
dpmiexcp,
{$endif}
verbose;
{$ifdef has_signal}
Var
NewSignal,
OldSigInt : SignalHandler;
{$endif}
Implementation
uses
comphook;
{$ifdef has_signal}
{$ifdef unix}
Procedure CatchSignal(Sig : Longint);cdecl;
{$else}
Function CatchSignal(Sig : longint):longint; cdecl;
{$endif}
begin
case Sig of
SIGINT :
raise EControlCAbort.Create;
end;
{$ifndef unix}
CatchSignal:=0;
{$endif}
end;
{$endif def has_signal}
begin
{$ifndef nocatch}
{$ifdef has_signal}
NewSignal:=SignalHandler(@CatchSignal);
OldSigInt:={$ifdef Unix}fpSignal{$else}Signal{$endif}(SIGINT,NewSignal);
{$endif}
{$endif nocatch}
end.
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