From 8b8ae8342b0ff8190d4e753961a51d61b9e96a63 Mon Sep 17 00:00:00 2001
From: Darien Raymond <admin@v2ray.com>
Date: Tue, 17 Jul 2018 11:53:36 +0200
Subject: [PATCH] prevent systemd from restarting when configuration error

---
 main/main.go                         | 3 ++-
 release/config/systemd/v2ray.service | 1 +
 2 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/main/main.go b/main/main.go
index 6179b676a..638134083 100644
--- a/main/main.go
+++ b/main/main.go
@@ -105,7 +105,8 @@ func main() {
 	server, err := startV2Ray()
 	if err != nil {
 		fmt.Println(err.Error())
-		os.Exit(-1)
+		// Configuration error. Exit with a special value to prevent systemd from restarting.
+		os.Exit(23)
 	}
 
 	if *test {
diff --git a/release/config/systemd/v2ray.service b/release/config/systemd/v2ray.service
index fb5a87453..3e52a0a35 100644
--- a/release/config/systemd/v2ray.service
+++ b/release/config/systemd/v2ray.service
@@ -13,6 +13,7 @@ Type=simple
 PIDFile=/var/run/v2ray.pid
 ExecStart=/usr/bin/v2ray/v2ray -config /etc/v2ray/config.json
 Restart=on-failure
+RestartPreventExitStatus=23  # Configuration error
 
 [Install]
 WantedBy=multi-user.target