github.com/zxy12/golang_with_comment@v0.0.0-20190701084843-0e6b2aff5ef3/os/signal/example_test.go (about)

     1  // Copyright 2013 The Go Authors. All rights reserved.
     2  // Use of this source code is governed by a BSD-style
     3  // license that can be found in the LICENSE file.
     4  
     5  package signal_test
     6  
     7  import (
     8  	"fmt"
     9  	"os"
    10  	"os/signal"
    11  )
    12  
    13  func ExampleNotify() {
    14  	// Set up channel on which to send signal notifications.
    15  	// We must use a buffered channel or risk missing the signal
    16  	// if we're not ready to receive when the signal is sent.
    17  	c := make(chan os.Signal, 1)
    18  	signal.Notify(c, os.Interrupt)
    19  
    20  	// Block until a signal is received.
    21  	s := <-c
    22  	fmt.Println("Got signal:", s)
    23  }