function LocalStream::stream_lock

Same name in other branches
  1. 8.9.x core/lib/Drupal/Core/StreamWrapper/LocalStream.php \Drupal\Core\StreamWrapper\LocalStream::stream_lock()
  2. 10 core/lib/Drupal/Core/StreamWrapper/LocalStream.php \Drupal\Core\StreamWrapper\LocalStream::stream_lock()
  3. 11.x core/lib/Drupal/Core/StreamWrapper/LocalStream.php \Drupal\Core\StreamWrapper\LocalStream::stream_lock()

Overrides PhpStreamWrapperInterface::stream_lock

1 method overrides LocalStream::stream_lock()
LocalReadOnlyStream::stream_lock in core/lib/Drupal/Core/StreamWrapper/LocalReadOnlyStream.php
Support for flock().

File

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

Class

LocalStream
Defines a Drupal stream wrapper base class for local files.

Namespace

Drupal\Core\StreamWrapper

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;
}

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