function lock_release

Same name in this branch
  1. 6.x drupal-6.x/includes/lock-install.inc \lock_release()
  2. 6.x drupal-6.x/includes/lock.inc \lock_release()
Same name and namespace in other branches
  1. 7.x drupal-7.x/includes/lock.inc \lock_release()

Release a lock previously acquired by lock_acquire().

This will release the named lock if it is still held by the current request.

Parameters

$name: The name of the lock.

Related topics

Functions to coordinate long-running operations across requests.
In most environments, multiple Drupal page requests (a.k.a. threads or processes) will execute in parallel. This leads to potential conflicts or race conditions when two requests execute the same code at the same time. A common example of this is a…
4 calls to lock_release()
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Archivo

drupal-6.x/includes/lock.inc, line 206
A database-mediated implementation of a locking mechanism.

Código

function lock_release($name) {
  global $locks;

  unset($locks[$name]);
  db_query("DELETE FROM {semaphore} WHERE name = '%s' AND value = '%s'", $name, _lock_id());
}