(PECL sync >= 1.0.0)

SyncMutex::__constructConstructs a new SyncMutex object


public SyncMutex::__construct ( string $name = ? )

Constructs a named or unnamed countable mutex.

Список параметров


The name of the mutex if this is a named mutex object.


If the name already exists, it must be able to be opened by the current user that the process is running as or an exception will be thrown with a meaningless error message.

Возвращаемые значения

The new SyncMutex object. An exception is thrown if the mutex cannot be created or opened.


Пример #1 SyncMutex::__construct() named mutex with lock timeout example

= new SyncMutex("UniqueName");

if (!
"Unable to lock mutex.";


/* ... */


Пример #2 SyncMutex::__construct() unnamed mutex example

= new SyncMutex();


/* ... */


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