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queue的加锁 #2

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RoarkShrugged opened this issue Apr 28, 2023 · 1 comment

RoarkShrugged commented Apr 28, 2023

queue的front()和back()方法没有加锁，感觉有可能在别的线程做pop后缩容的时候存在某个时刻q.data[q.begin]访问了一个非法地址

Elec4d0 commented May 27, 2024

queue的front()和back()方法没有加锁，感觉有可能在别的线程做pop后缩容的时候存在某个时刻q.data[q.begin]访问了一个非法地址

数据结构也分线程安全/线程不安全，一般来说都是同步单线程方法，不加锁的数据结构能够保证性能。

有线程安全的需求可以自己实现相对应的数据结构

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