Signal and shared memory function library: sem_release

Source: Internet
Author: User
Keywords PHP Chinese function Manual Sem_release signal and shared memory function library
Tags aliyun function function library html http memory php php chinese function manual

Sem_release

(PHP3 >= 3.0.6, PHP4)

Sem_release---&http://www.aliyun.com/zixun/aggregation/37954.html ">nbsp; Release signal

Syntax: int sem_release (int sem_identifier)

Description:

Success returns TRUE, and failure returns false.

If it is currently using call processing to obtain a signal, sem_release () can be used to release the signal, otherwise a warning will be generated.

After releasing the signal, you can call Sem_acquire () to regain it.

Reference: Sem_get () Sem_acquire ()

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