SyncSemaphore::unlock
(PECL sync >= 1.0.0)
SyncSemaphore::unlock — Increases the count of the semaphore
Description
public SyncSemaphore::unlock(int
&$prevcount = ?): boolIncreases the count of a SyncSemaphore object.
Parameters
-
prevcount -
Returns the previous count of the semaphore.
Return Values
Returns true on success or false on failure.
Examples
Example #1 SyncSemaphore::unlock() example
<?php
$semaphore = new SyncSemaphore("LimitedResource_2clients", 2);
if (!$semaphore->lock(3000))
{
echo "Unable to lock semaphore.";
exit();
}
/* ... */
$semaphore->unlock();
?>
See Also
- SyncSemaphore::lock() - Decreases the count of the semaphore or waits
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