SyncSemaphore::unlock

(PECL sync >= 1.0.0)

SyncSemaphore::unlockIncreases the count of the semaphore

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public SyncSemaphore::unlock ([ int &$prevcount ] ) : bool

Increases the count of a SyncSemaphore object.

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prevcount

Returns the previous count of the semaphore.

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A boolean of TRUE if the unlock operation was successful, FALSE otherwise.

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Example #1 SyncSemaphore::unlock() example

<?php
$semaphore 
= new SyncSemaphore("LimitedResource_2clients"2);

if (!
$semaphore->lock(3000))
{
    echo 
"Unable to lock semaphore.";

    exit();
}

/* ... */

$semaphore->unlock();
?>

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