public function BackgroundProcess::lock in Background Process 8

Same name and namespace in other branches

1. 6 BackgroundProcess.class.php \BackgroundProcess::lock()
2. 7.2 background_process.inc \BackgroundProcess::lock()
3. 7 BackgroundProcess.class.php \BackgroundProcess::lock()

Implements to Lock the Background Process.

2 calls to BackgroundProcess::lock()

BackgroundProcess::queue in ./background_process.class.php

Implements Queues.

BackgroundProcess::start in ./background_process.class.php

Implements to Call the service handler.

File

./background_process.class.php, line 43

Class

BackgroundProcess

BackgroundProcess class.

Code

public function lock($status = BACKGROUND_PROCESS_STATUS_LOCKED) {

  // Preliminary select to avoid unnecessary write-attempt.
  if (background_process_get_process($this->handle)) {
    return FALSE;
  }

  // "Lock" handle.
  $this->start_stamp = $this->start = microtime(TRUE);
  if (!background_process_lock_process($this->handle, $status)) {
    \Drupal::logger('bg_process')
      ->error('Could not lock handle %handle', [
      '%handle' => $this->handle,
    ]);
    return FALSE;
  }
  $this->exec_status = $this->status = BACKGROUND_PROCESS_STATUS_LOCKED;
  $this
    ->sendMessage('locked');
  return TRUE;
}