function _apdqc_lock_may_be_available in Asynchronous Prefetch Database Query Cache 7

Same name in this branch

1. 7 apdqc.lock.apc.inc \_apdqc_lock_may_be_available()
2. 7 apdqc.lock.db.inc \_apdqc_lock_may_be_available()
3. 7 apdqc.lock.memcache_storage.inc \_apdqc_lock_may_be_available()
4. 7 apdqc.lock.memcache.inc \_apdqc_lock_may_be_available()
5. 7 apdqc.lock.redis.inc \_apdqc_lock_may_be_available()

Check if lock acquired by a different process may be available.

If an existing lock has expired, it is removed.

Parameters

string $name: The name of the lock.

Return value

bool TRUE if there is no lock or it was removed, FALSE otherwise.

1 call to _apdqc_lock_may_be_available()

apdqc.lock.inc in ./apdqc.lock.inc

A database-mediated implementation of a locking mechanism.

1 string reference to '_apdqc_lock_may_be_available'

apdqc.lock.inc in ./apdqc.lock.inc

A database-mediated implementation of a locking mechanism.

File

./apdqc.lock.memcache_storage.inc, line 87

A memcached based implementation of a locking mechanism.

Code

function _apdqc_lock_may_be_available($name) {
  $lock_exists = MemcacheStorageAPI::get($name, 'semaphore');
  return $lock_exists ? FALSE : TRUE;
}