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# sem_remove

(PHP 4 >= 4.1.0, PHP 5)

sem_remove -- Remove a semaphore

## Description

bool sem_remove ( resource sem_identifier )

sem_remove() removes the semaphore sem_identifier if it has been created by sem_get(), otherwise generates a warning.

如果成功则返回 `TRUE`，失败则返回 `FALSE`。

After removing the semaphore, it is no more accessible.

See also sem_get(), sem_release() and sem_acquire().

后退 | 起点 | 前进
sem_release | 上一级 | shm_attach