Swoole\Atomic::cmpset
(PHP 5 >= 5.2.0, PHP 7, PECL swoole >= 1.9.0)
Swoole\Atomic::cmpset — Compare and set the value of the atomic object.
说明
public Swoole\Atomic::cmpset
( integer
$cmp_value
, integer $new_value
) : integer
参数
-
cmp_value -
The value to compare with the current value of the atomic object.
-
new_value -
The value to set to the atomic object if the cmp_value is the same as the current value of the atomic object.
返回值
The new value of the atomic object.