sem_release Release a semaphore


sem_release

(PHP 4, PHP 5)

sem_releaseRelease a semaphore

说明

bool sem_release ( resource $sem_identifier )

sem_release() releases the semaphore if it is currently acquired by the calling process, otherwise a warning is generated.

After releasing the semaphore, sem_acquire() may be called to re-acquire it.

参数

sem_identifier

A Semaphore resource handle as returned by sem_get().

返回值

成功时返回 TRUE, 或者在失败时返回 FALSE.

参见


«  sem_get
» sem_remove
快速导航

Copyright © 2016 phpStudy | 皖ICP备18014864号-4