public static function UltimateCronLockMemcache::reLock in Ultimate Cron 7.2

Relock.

Parameters

string $lock_id: The lock id to relock.

float $timeout: The timeout in seconds for the lock.

Return value

bool TRUE if relock was successful.

File

./ultimate_cron.memcache-lock.inc, line 140

A memcached-mediated implementation of a locking mechanism.

Class

UltimateCronLockMemcache

Class for handling lock functions.

Code

public static function reLock($lock_id, $timeout = 30.0) {
  if (!preg_match('/(.*):memcache-lock.*/', $lock_id, $matches)) {
    return FALSE;
  }
  $name = $matches[1];
  if (!($semaphore = self::lock("lock-{$name}"))) {
    return FALSE;
  }
  $bin = variable_get('ultimate_cron_lock_memcache_bin', 'semaphore');
  $current_lock_id = self::isLocked($name);
  if ($current_lock_id === FALSE || $current_lock_id === $lock_id) {
    if (dmemcache_set($name, $lock_id, $timeout, $bin)) {
      self::unlockRaw("lock-{$name}", $semaphore);
      self::$locks[$lock_id] = TRUE;
      return self::$locks[$lock_id];
    }
  }
  self::unlockRaw("lock-{$name}", $semaphore);
  return FALSE;
}