QWaitCondition
时间: 2024-03-04 15:19:09 浏览: 65
QWaitCondition是一个用于多线程同步的类,它允许一个线程在满足特定条件之前等待,直到另一个线程唤醒它。\[1\]在Qt中,可以使用QWaitCondition的wait()函数来阻塞一个线程,直到另一个线程调用wake()函数来唤醒它。\[1\]在给定的例子中,myThread1线程通过循环增加变量i的值,当i达到一定条件时,它调用waitCondition的wakeOne()函数来唤醒myThread2线程。\[3\]而myThread2线程在开始时先加锁,然后检查i的值是否满足特定条件,如果不满足,则调用waitCondition的wait()函数来等待唤醒。\[3\]当myThread1线程唤醒myThread2线程后,myThread2线程解锁并继续执行。\[3\]这样,通过QWaitCondition的使用,可以实现多线程之间的同步。
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