If the contents of pidfile is same as own pid, don't raise error when…

… creating pidfile.
mackerelio · Mar 14, 2017 · 5ae9d79 · 5ae9d79
1 parent 814e88b
commit 5ae9d79
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/pidfile/pidfile.go b/pidfile/pidfile.go
@@ -19,6 +19,9 @@ func Create(pidfile string) error {
 	}
 	if pidString, err := ioutil.ReadFile(pidfile); err == nil {
 		if pid, err := strconv.Atoi(string(pidString)); err == nil {
+			if pid == os.Getpid() {
+				return nil
+			}
 			if ExistsPid(pid) {
 				return fmt.Errorf("pidfile found, try stopping another running mackerel-agent or delete %s", pidfile)
 			}