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- // $Id: mainloop.C,v 1.5 1998/11/29 10:43:45 zeller Exp $ -*- C++ -*-
- // DDD main event loop
-
- // Copyright (C) 1998 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 mainloop_rcsid[] =
- "$Id: mainloop.C,v 1.5 1998/11/29 10:43:45 zeller Exp $";
-
- #ifdef __GNUG__
- #pragma implementation
- #endif
-
- #include "mainloop.h"
- #include "exit.h"
- #include "status.h"
- #include "ddd.h"
- #include "AppData.h"
-
- #include <setjmp.h>
-
- // Resume after fatal errors
- bool main_loop_entered = false;
-
- static jmp_buf main_loop_env;
-
- // DDD main loop. This is placed in a separate module to avoid
- // warnings about longjmp() clobbering local variables.
- void ddd_main_loop()
- {
- main_loop_entered = false;
- static int sig = 0;
- if ((sig = setjmp(main_loop_env)) != 0)
- {
- // Got a fatal signal
- main_loop_entered = false;
- ddd_show_signal(sig);
- reset_status_lock();
-
- if (sig < 0)
- {
- // We had a core dump
- if (app_data.debug_core_dumps)
- DDDDebugCB(gdb_w, XtPointer(True), 0);
- report_core(dddlog);
- }
-
- // Bring X in a consistent state
- XUngrabPointer(XtDisplay(gdb_w), CurrentTime);
- XUngrabKeyboard(XtDisplay(gdb_w), CurrentTime);
- XUngrabServer(XtDisplay(gdb_w));
-
- // Enable maintenance menu
- if (!app_data.maintenance)
- {
- app_data.maintenance = true;
- update_options();
- }
- }
-
- // Set `main_loop_entered' to true as soon
- // as DDD becomes idle again.
- XtAppAddWorkProc(XtWidgetToApplicationContext(gdb_w), ddd_setup_done, 0);
-
- // Main Loop
- for (;;)
- process_next_event();
- }
-
- // Return to DDD main loop, using longjmp()
- void goto_main_loop(int sig)
- {
- longjmp(main_loop_env, sig);
- }
-