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Current Path: /opt/golang/1.17.2/src/os/signal

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📁 ..
📄 doc.go(10.66 KB)
📄 example_test.go(1001 B)
📄 example_unix_test.go(1.25 KB)
📁 internal
📄 sig.s(410 B)
📄 signal.go(8.28 KB)
📄 signal_cgo_test.go(6.13 KB)
📄 signal_linux_test.go(1.11 KB)
📄 signal_plan9.go(1.02 KB)
📄 signal_plan9_test.go(3.59 KB)
📄 signal_test.go(26.72 KB)
📄 signal_unix.go(1.15 KB)
📄 signal_windows_test.go(1.94 KB)

Editing: example_unix_test.go

// Copyright 2020 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

//go:build aix || darwin || dragonfly || freebsd || linux || netbsd || openbsd || solaris
// +build aix darwin dragonfly freebsd linux netbsd openbsd solaris

package signal_test

import (
	"context"
	"fmt"
	"log"
	"os"
	"os/signal"
	"time"
)

// This example passes a context with a signal to tell a blocking function that
// it should abandon its work after a signal is received.
func ExampleNotifyContext() {
	ctx, stop := signal.NotifyContext(context.Background(), os.Interrupt)
	defer stop()

p, err := os.FindProcess(os.Getpid())
	if err != nil {
		log.Fatal(err)
	}

// On a Unix-like system, pressing Ctrl+C on a keyboard sends a
	// SIGINT signal to the process of the program in execution.
	//
	// This example simulates that by sending a SIGINT signal to itself.
	if err := p.Signal(os.Interrupt); err != nil {
		log.Fatal(err)
	}

select {
	case <-time.After(time.Second):
		fmt.Println("missed signal")
	case <-ctx.Done():
		fmt.Println(ctx.Err()) // prints "context canceled"
		stop()                 // stop receiving signal notifications as soon as possible.
	}

// Output:
	// context canceled
}

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Editing: example_unix_test.go

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