Files
thehub/libs/server/CrashCatcher.cpp
T
2021-06-20 22:44:44 +02:00

63 lines
1.8 KiB
C++

/*
* This file is part of the Flowee project
* Copyright (C) 2016-2017 Tom Zander <tom@flowee.org>
*
* 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 3 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, see <http://www.gnu.org/licenses/>.
*/
#if not defined WIN32 and not defined NDEBUG and defined ENABLE_CRASH_CATCHER
#include <stdio.h>
#include <signal.h>
#include <stdlib.h>
#include <stdarg.h>
#include <unistd.h>
struct sigaction crashCatcher;
static void cleanup()
{
sigemptyset(&crashCatcher.sa_mask);
}
static void handleProcessFailure(int sig)
{
cleanup();
char app[160];
const pid_t pid = getpid();
sprintf(app, "echo 'bt\nthread apply all bt\ndetach' | sudo /usr/bin/gdb --pid %d > thehub-%d.dump", pid, pid);
system(app);
fprintf(stderr, "FATAL: %s Fault. Logged StackTrace (%d)\n", (sig == SIGSEGV) ? "Segmentation" : ((sig == SIGBUS) ? "Bus" : "Unknown"), pid);
abort();
}
void setupBacktraceCatcher()
{
atexit(cleanup);
crashCatcher.sa_handler = handleProcessFailure;
sigemptyset(&crashCatcher.sa_mask);
crashCatcher.sa_flags = 0;
sigaddset(&crashCatcher.sa_mask, SIGBUS);
sigaction(SIGBUS, &crashCatcher, (struct sigaction *)NULL);
sigaddset(&crashCatcher.sa_mask, SIGSEGV);
sigaction(SIGSEGV, &crashCatcher, (struct sigaction *)NULL);
}
#else
void setupBacktraceCatcher() { }
#endif