static const int Signals[] =
{ SIGABRT, SIGBUS, SIGFPE, SIGILL, SIGSEGV, SIGTRAP };
-static const unsigned NumSignals = sizeof(Signals) / sizeof(Signals[0]);
+static const unsigned NumSignals = array_lengthof(Signals);
static struct sigaction PrevActions[NumSignals];
static void CrashRecoverySignalHandler(int Signal) {