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Added backtrace support

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This commit is contained in:
OM 2023-05-23 15:25:56 +02:00
parent 312332ac5e
commit 0477224085
1 changed files with 26 additions and 18 deletions
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44
code/unix/linux_signals.c
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@ -20,6 +20,7 @@ Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
=========================================================================== ===========================================================================
*/ */
#include <signal.h> #include <signal.h>
#include <execinfo.h>
#include "../qcommon/q_shared.h" #include "../qcommon/q_shared.h"
#include "../qcommon/qcommon.h" #include "../qcommon/qcommon.h"
@ -33,29 +34,36 @@ void Sys_Exit(int); // bk010104 - abstraction
static void signal_handler(int sig) // bk010104 - replace this... (NOTE TTimo huh?) static void signal_handler(int sig) // bk010104 - replace this... (NOTE TTimo huh?)
{ {
if (signalcaught) void* arr[20];
{ size_t size;
printf("DOUBLE SIGNAL FAULT: Received signal %d, exiting...\n", sig);
Sys_Exit(1); // bk010104 - abstraction
}
signalcaught = qtrue; // get void*'s for all entries on the stack
printf("Received signal %d, exiting...\n", sig); size = backtrace(arr, sizeof(arr) / sizeof(arr[0]));
if (signalcaught)
{
printf("DOUBLE SIGNAL FAULT: Received signal %d, exiting...\n", sig);
Sys_Exit(1); // bk010104 - abstraction
}
signalcaught = qtrue;
printf("Received signal %d, exiting...\n", sig);
backtrace_symbols_fd(arr, size, STDERR_FILENO);
#ifndef DEDICATED #ifndef DEDICATED
GLimp_Shutdown(); // bk010104 - shouldn't this be CL_Shutdown GLimp_Shutdown(); // bk010104 - shouldn't this be CL_Shutdown
#endif #endif
Sys_Exit(0); // bk010104 - abstraction NOTE TTimo send a 0 to avoid DOUBLE SIGNAL FAULT Sys_Exit(0); // bk010104 - abstraction NOTE TTimo send a 0 to avoid DOUBLE SIGNAL FAULT
} }
void InitSig(void) void InitSig(void)
{ {
signal(SIGHUP, signal_handler); signal(SIGHUP, signal_handler);
signal(SIGQUIT, signal_handler); signal(SIGQUIT, signal_handler);
signal(SIGILL, signal_handler); signal(SIGILL, signal_handler);
signal(SIGTRAP, signal_handler); signal(SIGTRAP, signal_handler);
signal(SIGIOT, signal_handler); signal(SIGIOT, signal_handler);
signal(SIGBUS, signal_handler); signal(SIGBUS, signal_handler);
signal(SIGFPE, signal_handler); signal(SIGFPE, signal_handler);
signal(SIGSEGV, signal_handler); signal(SIGSEGV, signal_handler);
signal(SIGTERM, signal_handler); signal(SIGTERM, signal_handler);
} }