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dmotylev/main.go

Created January 22, 2019 10:30
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service helpers
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main.go
func WaitShutdownRequest(f func(os.Signal)) {
signals := make(chan os.Signal)
signal.Notify(signals, syscall.SIGINT, syscall.SIGTERM)
f(<-signals)
}
func CleanUp(closers ...func()) {
for _, f := range closers {
f()
}
}
func FatalIfError(err error, lastWords string, closers ...func()) {
if err == nil {
return
}
CleanUp(closers...)
fmt.Printf("%s: %s", lastWords, err)
os.Exit(1)
}
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