Windows does not support exclusive locks on stdout

sebastianbergmann · Mar 28, 2024 · 5e80471 · 5e80471
1 parent 406a2b4
commit 5e80471
Showing 1 changed file with 7 additions and 1 deletion.
diff --git 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,
         );
     }