Signals _ Golang

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Sometimes we ' d like our Go programs to intelligently handle UNIX signals. For example, we might want a server to gracefully shutdown when it receives a SIGTERM, or a command-line tool stop process ing input if it receives a SIGINT. Here's how to handle signals on Go with channels

Package Mainimport ("FMT"    "OS"    "os/signal"    "Syscall") Func main () {sigs:= Make (Chan os. Signal,1) Done:= Make (chanBOOL,1) signal. Notify (SIGs, Syscall. SIGINT, Syscall. SIGTERM) go func () {sig:= <-sigs FMT. Println ("") fmt. Println (SIG) done<-true} () fmt. Println ("Awaiting Signal")    <-Done FMT. Println ("exiting")}

awaiting signalexit^cinterruptexiting

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