SyncMutex::lock
(PECL sync >= 1.0.0)
SyncMutex::lock — Waits for an exclusive lock
Descrição
Obtains an exclusive lock on a SyncMutex object. If the lock is already acquired, then this increments an internal counter.
Parâmetros
-
wait -
The number of milliseconds to wait for the exclusive lock. A value of -1 is infinite.
Valor Retornado
Retorna true em caso de sucesso ou false em caso de falha.
Exemplos
Exemplo #1 SyncMutex::lock() example
<?php
$mutex = new SyncMutex("UniqueName");
if (!$mutex->lock(3000))
{
echo "Unable to lock mutex.";
exit();
}
/* ... */
$mutex->unlock();
?>Veja Também
- SyncMutex::unlock() - Unlocks the mutex
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