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,
  );
  }