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pht\Vector::lock

(PECL pht >= 0.0.1)

pht\Vector::lockAcquires the vector's mutex lock

Beschreibung

public pht\Vector::lock ( ) : void

This method will acquire the mutex lock associated with the vector. The mutex lock should always be acquired when manipulating the vector if it is being used by multiple threads.

The mutex locks of the Inter-Thread Communication (ITC) data structures are not reentrant. Attempting to reacquire an already-acquired mutex lock by the same thread will therefore cause a deadlock.

Parameter-Liste

Diese Funktion besitzt keine Parameter.

R├╝ckgabewerte

No return value.

Beispiele

Beispiel #1 Locking a vector's mutex lock

<?php

use pht\{ThreadVector};

$thread = new Thread();
$vector = new Vector();

$thread->addFunctionTask(function ($vector) {
    
$vector->lock();
    
$vector[] = 1;
    
$vector->unlock();
}, 
$vector);

$thread->start();

// $vector is currently being used by multiple threads
$vector->lock();
$vector[] = 2;
$vector->unlock();

$thread->join();

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