protected function ContentIndexerTrait::acquireContentIndexLock in Tome 8

Acquires a lock for writing to the index.

Return value

resource A file pointer resource on success.

Throws

\Exception Throws an exception when the index file cannot be written to.

2 calls to ContentIndexerTrait::acquireContentIndexLock()

ContentIndexerTrait::indexContent in modules/tome_sync/src/ContentIndexerTrait.php

Writes content to the index.

ContentIndexerTrait::unIndexContentByName in modules/tome_sync/src/ContentIndexerTrait.php

Removes content from the index.

File

modules/tome_sync/src/ContentIndexerTrait.php, line 134

Class

ContentIndexerTrait

Provides methods for reading and writing the index file.

Namespace

Drupal\tome_sync

Code

protected function acquireContentIndexLock() {
  $destination = $this
    ->getContentIndexFilePath();
  $directory = dirname($destination);
  $this->fileSystem
    ->prepareDirectory($directory, FileSystemInterface::CREATE_DIRECTORY);
  $handle = fopen($destination, 'c+');
  if (!flock($handle, LOCK_EX)) {
    throw new \Exception('Unable to acquire lock for the index file.');
  }
  return $handle;
}