void
StdInvokeSignal(
_In_ int Signal,
_In_ Context_t* Context)
{
sig_element* sig = NULL;
int fatal;
int i;
// 3 of the signals are relatively harmless and we can continue after
fatal = Signal != SIGINT && Signal != SIGUSR1 && Signal != SIGUSR2;
// Find handler
for(i = 0; i < sizeof(signal_list) / sizeof(signal_list[0]); i++) {
if (signal_list[i].signal == Signal) {
sig = &signal_list[i];
break;
}
}
// Check against unsupported signal
if (sig != NULL) {
CreateSignalInformation(Signal);
if (sig->handler != SIG_IGN) {
if (sig->handler == SIG_DFL || sig->handler == SIG_ERR) {
if (sig->handler == SIG_ERR ||
signal_fatality[Signal] == 1 ||
signal_fatality[Signal] == 2) {
DefaultCrashHandler(sig, Context);
}
}
else {
sig->handler(Signal);
}
}
}
// Unhandled signal, or division by zero specifically?
if (sig == NULL) {
sig_element _static_sig = { .signal = Signal };
DefaultCrashHandler(&_static_sig, Context);
}
/** True system-specific crash handler that gets called first */
void PlatformCrashHandler(int32 Signal, siginfo_t* Info, void* Context)
{
fprintf(stderr, "Signal %d caught.\n", Signal);
FLinuxCrashContext CrashContext;
CrashContext.InitFromSignal(Signal, Info, Context);
if (GCrashHandlerPointer)
{
GCrashHandlerPointer(CrashContext);
}
else
{
// call default one
DefaultCrashHandler(CrashContext);
}
}
/** True system-specific crash handler that gets called first */
void PlatformCrashHandler(int32 Signal, siginfo_t* Info, void* Context)
{
fprintf(stderr, "Signal %d caught.\n", Signal);
// Switch to malloc crash.
FPlatformMallocCrash::Get().SetAsGMalloc();
FLinuxCrashContext CrashContext;
CrashContext.InitFromSignal(Signal, Info, Context);
if (GCrashHandlerPointer)
{
GCrashHandlerPointer(CrashContext);
}
else
{
// call default one
DefaultCrashHandler(CrashContext);
}
}
