kubernetes/vendor/k8s.io/klog/v2/exit.go

var ExitFlushTimeout …

var OsExit …

// FlushAndExit flushes log data for a certain amount of time and then calls
// os.Exit. Combined with some logging call it provides a replacement for
// traditional calls like Fatal or Exit.
func FlushAndExit(flushTimeout time.Duration, exitCode int) { … }

// timeoutFlush calls Flush and returns when it completes or after timeout
// elapses, whichever happens first.  This is needed because the hooks invoked
// by Flush may deadlock when klog.Fatal is called from a hook that holds
// a lock. Flushing also might take too long.
func timeoutFlush(timeout time.Duration) { … }