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Disable recursive watchdog signal handler
If we are in the signal handler, we don't want to handle the signal again. In extreme cases, this can cause a stack overflow and segfault Redis. Fixes #1771
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@ -947,7 +947,7 @@ void enableWatchdog(int period) {
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/* Watchdog was actually disabled, so we have to setup the signal
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* handler. */
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sigemptyset(&act.sa_mask);
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act.sa_flags = SA_NODEFER | SA_ONSTACK | SA_SIGINFO;
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act.sa_flags = SA_ONSTACK | SA_SIGINFO;
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act.sa_sigaction = watchdogSignalHandler;
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sigaction(SIGALRM, &act, NULL);
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}
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