static void fatal_handler(int sig, siginfo_t *info, void *secret)
{
#ifdef HAVE_BACKTRACE
void *trace[50];
#ifdef REG_EIP
ucontext_t *uc = (ucontext_t*)secret;
#endif
size_t size;
#endif
struct sigaction act;
act.sa_handler = SIG_DFL;
sigemptyset(&act.sa_mask);
act.sa_flags = 0;
sigaction(sig, &act, NULL);
#ifdef HAVE_BACKTRACE
size = backtrace(trace, sizeof(trace) / sizeof(void*));
#ifdef REG_EIP
/* overwrite sigaction with caller's address */
trace[1] = (void *) uc->uc_mcontext.gregs[REG_EIP];
#endif
gw_backtrace(trace, size, 0);
#endif
raise(sig);
}
void gw_panic(int err, const char *fmt, ...)
{
/*
* we don't want PANICs to spread accross smsc logs, so
* this will be always within the main core log.
*/
FUNCTION_GUTS(GW_PANIC, "");
gw_backtrace(NULL, 0, 0);
#ifdef SEGFAULT_PANIC
*((char*)0) = 0;
#endif
exit(EXIT_FAILURE);
}
