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This document uses PHP Chinese website manual Release
(PECL sync >= 1.0.0)
SyncSemaphore::unlock — Increases the count of the semaphore
&$prevcount
] )Increases the count of a SyncSemaphore object.
prevcount
Returns the previous count of the semaphore.
A boolean of TRUE if the unlock operation was successful, FALSE otherwise.
Example #1 SyncSemaphore::unlock() example
<?php
$semaphore = new SyncSemaphore ( "LimitedResource_2clients" , 2 );
if (! $semaphore -> lock ( 3000 ))
{
echo "Unable to lock semaphore." ;
exit();
}
$semaphore -> unlock ();
?>
以上例程的输出类似于:
...