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    The SyncSemaphore class

    (PECL sync >= 1.0.0)

    소개

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

    클래스 개요

    SyncSemaphore {
    /* 메소드 */
    public __construct ([ string $name [, integer $initialval [, bool $autounlock ]]] )
    public bool lock ([ integer $wait ] )
    public bool unlock ([ integer &$prevcount ] )
    }

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