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嵌入式Linux:线程同步(互斥锁)
Linux线程的互斥锁(mutex)是用于保护共享资源的同步机制,确保在多线程环境中,多个线程不会同时访问或修改同一个资源,从而避免数据竞争或不一致的问题。 互斥锁是一种二进制锁,也就是说它只有两种状态:锁定(locked)和解锁(unlocked)。 当一个线程 ...
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