From 3dd3f045e6db16f5ba24efb70d34af61740f9205 Mon Sep 17 00:00:00 2001
From: Berserker66 <fabian.dill@web.de>
Date: Sun, 29 May 2022 07:43:53 +0000
Subject: [PATCH] WebHost: use non-blocking file lock on unix, just like
 windows

---
 WebHostLib/autolauncher.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/WebHostLib/autolauncher.py b/WebHostLib/autolauncher.py
index 97db4ca6..dc88c202 100644
--- a/WebHostLib/autolauncher.py
+++ b/WebHostLib/autolauncher.py
@@ -53,7 +53,7 @@ else:  # unix
         def __enter__(self):
             try:
                 self.fp = open(self.lockfile, "wb")
-                fcntl.flock(self.fp.fileno(), fcntl.LOCK_EX)
+                fcntl.flock(self.fp.fileno(), fcntl.LOCK_EX | fcntl.LOCK_NB)
             except OSError as e:
                 raise AlreadyRunningException() from e