Php/docs/syncmutex.lock
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SyncMutex::lock
(PECL sync >= 1.0.0)
SyncMutex::lock — Waits for an exclusive lock
Description
public SyncMutex::lock
([ int $wait = -1
] ) : bool
Obtains an exclusive lock on a SyncMutex object. If the lock is already acquired, then this increments an internal counter.
Parameters
wait- The number of milliseconds to wait for the exclusive lock. A value of -1 is infinite.
Return Values
A boolean of TRUE if the lock was obtained, FALSE otherwise.
Examples
Example #1 SyncMutex::lock() example
<?php$mutex = new SyncMutex("UniqueName");if (!$mutex->lock(3000)){ echo "Unable to lock mutex."; exit();}/* ... */$mutex->unlock();?>
