update : 2015.11.03
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Wait for Condition
Cond
PHP Manual

Cond::wait

(PECL pthreads >= 2.0.0)

Cond::wait — Wait for Condition

설명

final public static boolean Cond::wait ( long $condition , long $mutex [, long $timeout ] )

Wait for a signal on a Condition Variable, optionally specifying a timeout to limit waiting time.

인수

condition

A handle returned by a previous call to Cond::create().

mutex

A handle returned by a previous call to Mutex::create() and owned (locked) by the caller.

timeout

An optional timeout, in microseconds ( millionths of a second ).

반환값

A boolean indication of success.

예제

Example #1 Waiting for Conditions

<?php
/** PLEASE NOTE THIS EXAMPLE WILL CAUSE THE PROCESS TO HANG **/
$mutex = Mutex::create(true);
/** You cannot use the "new" keyword, a Cond is not a PHP object **/
$cond = Cond::create();
/** The caller must lock the associated Mutex before a call to broadcast **/
var_dump(Cond::wait($cond, $mutex));
/** Always destroy Cond you have created **/
Cond::destroy($cond);
Mutex::unlock($mutex);
Mutex::destroy($mutex);
?>

위 예제의 출력:

int(49685473)

Cond
PHP Manual