github.com/lovishpuri/go-40569/src@v0.0.0-20230519171745-f8623e7c56cf/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  }
    24  
    25  func ExampleNotify_allSignals() {
    26  	// Set up channel on which to send signal notifications.
    27  	// We must use a buffered channel or risk missing the signal
    28  	// if we're not ready to receive when the signal is sent.
    29  	c := make(chan os.Signal, 1)
    30  
    31  	// Passing no signals to Notify means that
    32  	// all signals will be sent to the channel.
    33  	signal.Notify(c)
    34  
    35  	// Block until any signal is received.
    36  	s := <-c
    37  	fmt.Println("Got signal:", s)
    38  }