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gadiener/signal.go

Forked from reiki4040/signal.go
Created May 26, 2020 17:34
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Revisions

  1. @reiki4040 reiki4040 created this gist Oct 2, 2014.
    50 changes: 50 additions & 0 deletions signal.go
    View file
    Original file line number Diff line number Diff line change
    @@ -0,0 +1,50 @@
    package main

    import (
    "fmt"
    "os"
    "os/signal"
    "syscall"
    )

    func main() {
    signal_chan := make(chan os.Signal, 1)
    signal.Notify(signal_chan,
    syscall.SIGHUP,
    syscall.SIGINT,
    syscall.SIGTERM,
    syscall.SIGQUIT)

    exit_chan := make(chan int)
    go func() {
    for {
    s := <-signal_chan
    switch s {
    // kill -SIGHUP XXXX
    case syscall.SIGHUP:
    fmt.Println("hungup")

    // kill -SIGINT XXXX or Ctrl+c
    case syscall.SIGINT:
    fmt.Println("Warikomi")

    // kill -SIGTERM XXXX
    case syscall.SIGTERM:
    fmt.Println("force stop")
    exit_chan <- 0

    // kill -SIGQUIT XXXX
    case syscall.SIGQUIT:
    fmt.Println("stop and core dump")
    exit_chan <- 0

    default:
    fmt.Println("Unknown signal.")
    exit_chan <- 1
    }
    }
    }()

    code := <-exit_chan
    os.Exit(code)
    }