Php/docs/class.syncsemaphore

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(PECL sync >= 1.0.0)

はじめに

A cross-platform, native implementation of named and unnamed semaphore objects.

A semaphore restricts access to a limited resource to a limited number of instances. Semaphores differ from mutexes in that they can allow more than one instance to access a resource at one time while a mutex only allows one instance at a time.


クラス概要


SyncSemaphore {

/* メソッド */

public __construct ([ string $name [, int $initialval = 1 [, bool $autounlock = true ]]] )

public lock ([ int $wait = -1 ] ) : bool

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

}

目次