GSignal

Golang library for monitoring asynchronously signals.

Getting Started

$ go get github.com/bluele/gsignal

Examples

package main

import (
  "github.com/bluele/gsignal"
  "log"
  "os"
  "syscall"
  "time"
)

func main() {
  watcher := gsignal.NewWatcher()
  watcher.Watch(func(sig os.Signal) {
    log.Println("Catch signal: ", sig)
    os.Exit(0)
  }, os.Interrupt, syscall.SIGTERM)

  watcher.Watch(func(sig os.Signal) {
    log.Println("Ignore signal: ", sig)
  }, syscall.SIGHUP)

  // start watching specified signal numbers.
  watcher.Run()

  log.Println("PID: ", os.Getpid())
  log.Println("Sleep...")
  time.Sleep(time.Minute)
}

send Ctr^C to this process.

$ go run example.go
2015/01/04 14:30:40 PID:  96311 # your process id.
2015/01/04 14:30:40 Sleep...
^C2015/01/04 14:30:41 Catch signal:  interrupt

send SIGTERM to this process.

$ kill -SIGTERM <your pid>
2015/01/04 14:30:40 PID:  96311 # your process id.
2015/01/04 14:30:40 Sleep...
^C2015/01/04 14:30:41 Catch signal:  terminated

send SIGHUP to this process.

$ kill -SIGHUP <your pid>
2015/01/04 14:30:40 PID:  96311 # your process id.
2015/01/04 14:30:40 Sleep...
^C2015/01/04 14:30:41 Ignore signal:  hangup

Testing

$ go test

Author

Jun Kimura

• http://github.com/bluele
• junkxdev@gmail.com