function LocalStream::stream_lock

Overrides PhpStreamWrapperInterface::stream_lock

File

core/lib/Drupal/Core/StreamWrapper/LocalStream.php, line 168

Class

LocalStream

Defines a Drupal stream wrapper base class for local files.

Namespace

Code

public function stream_lock($operation) {
    if (in_array($operation, [
        LOCK_SH,
        LOCK_EX,
        LOCK_UN,
        LOCK_NB,
    ])) {
        return flock($this->handle, $operation);
    }
    return TRUE;
}