File: notify_linux.go

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golang-github-okzk-sdnotify 0.0~git20180710.d9becc3-4
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package sdnotify

import (
	"net"
	"os"
)

// SdNotify sends a specified string to the systemd notification socket.
func SdNotify(state string) error {
	name := os.Getenv("NOTIFY_SOCKET")
	if name == "" {
		return ErrSdNotifyNoSocket
	}

	conn, err := net.DialUnix("unixgram", nil, &net.UnixAddr{Name: name, Net: "unixgram"})
	if err != nil {
		return err
	}
	defer conn.Close()

	_, err = conn.Write([]byte(state))
	return err
}