Mutex ��

(PECL pthreads < 3.0.0)

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pthreads v3 ��Ѿ�� Mutex ��Ƴ��

Mutex ��а��һЩֱ�ӷ�� Posix ��ľ�̬��

Mutex {

/* �� */

final public static create ([ bool $lock ] ) : int

final public static destroy ( int $mutex ) : bool

final public static lock ( int $mutex ) : bool

final public static trylock ( int $mutex ) : bool

final public static unlock ( int $mutex [, bool $destroy ] ) : bool

}