function configuration_semaphore in Configuration Management 7

Processing semaphore operations.

2 calls to configuration_semaphore()

configuration_get_component_states in ./configuration.export.inc

Retrieve an array of configuration/components and their current states.

_configuration_restore in ./configuration.module

Restore the specified modules to the default state.

File

./configuration.export.inc, line 462

Code

function configuration_semaphore($op, $component) {

  // Note: we don't use variable_get() here as the inited variable
  // static cache may be stale. Retrieving directly from the DB narrows
  // the possibility of collision.
  $semaphore = db_query("SELECT value FROM {variable} WHERE name = :name", array(
    ':name' => 'configuration_semaphore',
  ))
    ->fetchField();
  $semaphore = !empty($semaphore) ? unserialize($semaphore) : array();
  switch ($op) {
    case 'get':
      return isset($semaphore[$component]) ? $semaphore[$component] : FALSE;
    case 'set':
      $semaphore[$component] = REQUEST_TIME;
      variable_set('configuration_semaphore', $semaphore);
      break;
    case 'del':
      if (isset($semaphore[$component])) {
        unset($semaphore[$component]);
        variable_set('configuration_semaphore', $semaphore);
      }
      break;
  }
}