Use new arg "-notifypid" for more robust daemonization

No more string matching on the parent command line!

1 files changed, 2 insertions, 1 deletions

diff --git a/daemonize.go b/daemonize.go
index 32255ca..4f09164 100644
--- a/daemonize.go
+++ b/daemonize.go
@@ -21,7 +21,8 @@ func waitForUsr1() {
 func daemonize() {
 	go waitForUsr1()
 	name := os.Args[0]
-	newArgs := []string{"-f"}
+	notifyArg := fmt.Sprintf("-notifypid=%d", os.Getpid())
+	newArgs := []string{"-f", notifyArg}
 	newArgs = append(newArgs, os.Args[1:]...)
 	c := exec.Command(name, newArgs...)
 	c.Stdout = os.Stdout