GoLang pht\HashTable::lock

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PHP pht\HashTable::lock

PHP original manual for pht\HashTable::lock [ show | php.net ]


(PECL pht >= 0.0.1)

pht\HashTable::lockAcquires the hash table's mutex lock


public void pht\HashTable::lock ( void )

This method will acquire the mutex lock associated with the hash table. The mutex lock should always be acquired when manipulating the hash table 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.


This function has no parameters.

Return Values

No return value.


Example #1 Locking a hash table's mutex lock


use pht\{ThreadHashTable};

$thread = new Thread();
$hashTable = new HashTable();

$thread->addFunctionTask(function ($hashTable) {
$hashTable['a'] = 1;


// $hashTable is currently being used by multiple threads
$hashTable['b'] = 2;