mirror of
https://github.com/mozilla/gecko-dev.git
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137 lines
3.3 KiB
C++
137 lines
3.3 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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*
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* The contents of this file are subject to the Netscape Public
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* License Version 1.1 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.mozilla.org/NPL/
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*
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* Software distributed under the License is distributed on an "AS
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* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
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* implied. See the License for the specific language governing
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* rights and limitations under the License.
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*
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* The Original Code is Mozilla Communicator client code.
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*
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* The Initial Developer of the Original Code is Netscape Communications
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* Corporation. Portions created by Netscape are
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* Copyright (C) 1998 Netscape Communications Corporation. All
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* Rights Reserved.
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*
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* Contributor(s):
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* Ramiro
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* Jerry.Kirk@Nexwarecorp.com
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*/
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/*
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* This module is supposed to abstract signal handling away from the other
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* platforms that do not support it.
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*/
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#include <signal.h>
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#include <stdio.h>
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#include "prthread.h"
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#include "plstr.h"
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#ifdef XP_BEOS
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#include <string.h>
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extern "C" const char * strsignal(int);
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#else
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extern "C" char * strsignal(int);
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#endif
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#ifdef NTO
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#include <photon/PhProto.h>
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#include <sys/mman.h> /* for munlockall() */
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#endif
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static char _progname[1024] = "huh?";
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//#ifdef DEBUG_ramiro
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#if 0
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#define CRAWL_STACK_ON_SIGSEGV
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#endif // DEBUG_ramiro
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#ifdef NTO
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void abnormal_exit_handler(int signum)
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{
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/* Free any shared memory that has been allocated */
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PgShmemCleanup();
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#if defined(DEBUG)
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if ( (signum == SIGSEGV)
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|| (signum == SIGILL)
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|| (signum == SIGABRT)
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)
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{
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PR_CurrentThread();
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printf("prog = %s\npid = %d\nsignal = %s\n",
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_progname, getpid(), strsignal(signum));
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printf("Sleeping for 5 minutes.\n");
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printf("Type 'gdb %s %d' to attatch your debugger to this thread.\n",
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_progname, getpid());
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sleep(300);
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printf("Done sleeping...\n");
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}
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#endif
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_exit(1);
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}
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#elif defined(CRAWL_STACK_ON_SIGSEGV)
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#include <unistd.h>
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#include "nsTraceRefcnt.h"
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void
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ah_crap_handler(int signum)
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{
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PR_CurrentThread();
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printf("prog = %s\npid = %d\nsignal = %s\n",
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_progname,
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getpid(),
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strsignal(signum));
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printf("stack logged to someplace\n");
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nsTraceRefcnt::WalkTheStack(stdout);
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printf("Sleeping for 5 minutes.\n");
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printf("Type 'gdb %s %d' to attatch your debugger to this thread.\n",
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_progname,
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getpid());
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sleep(300);
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printf("Done sleeping...\n");
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}
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#endif // CRAWL_STACK_ON_SIGSEGV
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void InstallUnixSignalHandlers(const char *ProgramName)
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{
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PL_strncpy(_progname,ProgramName, (sizeof(_progname)-1) );
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#if defined(NTO)
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/* Neutrino need this to free shared memory in case of a crash */
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signal(SIGTERM, abnormal_exit_handler);
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signal(SIGQUIT, abnormal_exit_handler);
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signal(SIGINT, abnormal_exit_handler);
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signal(SIGHUP, abnormal_exit_handler);
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signal(SIGSEGV, abnormal_exit_handler);
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signal(SIGILL, abnormal_exit_handler);
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signal(SIGABRT, abnormal_exit_handler);
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/* Tell the OS it can page any part of this program to virtual memory */
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munlockall();
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#elif defined(CRAWL_STACK_ON_SIGSEGV)
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signal(SIGSEGV, ah_crap_handler);
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signal(SIGILL, ah_crap_handler);
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signal(SIGABRT, ah_crap_handler);
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#endif // CRAWL_STACK_ON_SIGSEGV
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}
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