Swoole\Atomic::cmpset
(PECL swoole >= 1.9.0)
Swoole\Atomic::cmpset — Compare and set the value of the atomic object.
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.
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