std ::mutex
时间: 2023-08-19 14:11:52 浏览: 168
C++11 并发指南五(stdcondition_variable 详解).docx
std::mutex是一种独占的互斥量,不能递归使用,也不带超时功能。它是C++标准库中用于实现线程同步的一种基本锁机制。当一个线程对std::mutex对象进行上锁后,其他线程将无法再对该对象进行上锁,直到该线程释放了锁。这样可以确保在同一时间只有一个线程能够访问被保护的共享资源,从而避免了数据竞争和并发访问的问题。\[3\]
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