home *** CD-ROM | disk | FTP | other *** search
- // $Id: SignalC.C,v 1.9 1998/03/25 12:44:13 zeller Exp $
- // Call destructors on signal
-
- // Copyright (C) 1995 Technische Universitaet Braunschweig, Germany.
- // Written by Andreas Zeller <zeller@ips.cs.tu-bs.de>.
- //
- // This file is part of DDD.
- //
- // DDD 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.
- //
- // DDD 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 DDD -- see the file COPYING.
- // If not, write to the Free Software Foundation, Inc.,
- // 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
- //
- // DDD is the data display debugger.
- // For details, see the DDD World-Wide-Web page,
- // `http://www.cs.tu-bs.de/softech/ddd/',
- // or send a mail to the DDD developers <ddd@ips.cs.tu-bs.de>.
-
- char SignalCatcher_rcsid[] =
- "$Id: SignalC.C,v 1.9 1998/03/25 12:44:13 zeller Exp $";
-
- #include <stdio.h>
- #include <signal.h>
- #include <stdlib.h>
-
- #include "SignalC.h"
- #include "AgentM.h"
- #include "sigName.h"
-
- #ifdef __GNUG__
- extern "C" {
- #if __GNUG__ < 2
- void __do_global_cleanup(void);
- #else
- void __do_global_dtors(void);
- #endif
- void _exit(int);
- void _cleanup();
- }
- #endif
-
- #ifndef EXIT_SUCCESS
- #define EXIT_SUCCESS 0
- #endif
-
- #ifndef EXIT_FAILURE
- #define EXIT_FAILURE 1
- #endif
-
-
- // Kill all agents when an interrupt signal is received
- static void cleanupOnSignal(int sig)
- {
- // restore default action (if we're killed another time, this will make it)
- signal(sig, SignalProc(SIG_DFL));
-
- fprintf(stderr, "%s\nCleaning up... ", sigName(sig));
-
- #ifdef __GNUG__
- #if __GNUG__ < 2
- // Using a GNU compiler, we can call the cleanup actions
- // directly, rather than going through exit().
- __do_global_cleanup();
- #else
- // same for version 2.0 and above
- __do_global_dtors();
- #endif
- #endif
-
- fprintf(stderr, "done.\n");
-
- #ifdef __GNUG__
- #ifdef sun
- // Using a SUN, we can also close all open files
- _cleanup();
- #endif
- // Now exit gracefully, without calling destructors
- _exit(EXIT_FAILURE);
- #else
- // Exit gracefully: this calls all destructors (but leaves no core)
- exit(EXIT_FAILURE);
- #endif
- }
-
-
-
- // Constructor: catch them all
- SignalCleanup::SignalCleanup()
- {
- // if $NO_SIGNAL_CLEANUP is set, don't do anything
- if (getenv("NO_SIGNAL_CLEANUP") != NULL)
- return;
-
- // catch "typical" interrupt signals
-
- #ifdef SIGHUP
- signal(SIGHUP, cleanupOnSignal); // hangup
- #endif
-
- #ifdef SIGINT
- signal(SIGINT, cleanupOnSignal); // interrupt
- #endif
-
- #ifdef SIGQUIT
- signal(SIGQUIT, cleanupOnSignal); // quit
- #endif
-
- #ifdef SIGILL
- signal(SIGILL, cleanupOnSignal); // illegal instruction
- #endif
-
- #ifdef SIGABRT
- signal(SIGABRT, cleanupOnSignal); // abort
- #endif
-
- #ifdef SIGFPE
- signal(SIGFPE, cleanupOnSignal); // floating point exception
- #endif
-
- #ifdef SIGBUS
- signal(SIGBUS, cleanupOnSignal); // bus error
- #endif
-
- #ifdef SIGSEGV
- signal(SIGSEGV, cleanupOnSignal); // segmentation violation
- #endif
-
- #ifdef SIGSYS
- signal(SIGSYS, cleanupOnSignal); // bad argument to system call
- #endif
-
- #ifdef SIGTERM
- signal(SIGTERM, cleanupOnSignal); // software termination signal
- #endif
-
- }
-