From 5e80471d290e9eee21268ad3965284a5d82c95c5 Mon Sep 17 00:00:00 2001
From: Markus Staab <markus.staab@redaxo.de>
Date: Tue, 26 Mar 2024 16:54:28 +0100
Subject: [PATCH] Windows does not support exclusive locks on stdout

---
 src/Logging/EventLogger.php | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/src/Logging/EventLogger.php b/src/Logging/EventLogger.php
index ced39945f16..993ca5dffdc 100644
--- a/src/Logging/EventLogger.php
+++ b/src/Logging/EventLogger.php
@@ -40,10 +40,16 @@ public function trace(Event $event): void
         $indentation   = PHP_EOL . str_repeat(' ', strlen($telemetryInfo));
         $lines         = preg_split('/\r\n|\r|\n/', $event->asString());
 
+        $flags = FILE_APPEND;
+
+        if (PHP_OS_FAMILY !== 'Windows' || $this->path !== 'php://stdout') {
+            $flags |= LOCK_EX;
+        }
+
         file_put_contents(
             $this->path,
             $telemetryInfo . implode($indentation, $lines) . PHP_EOL,
-            FILE_APPEND | LOCK_EX,
+            $flags,
         );
     }