race-condition

问题 When writing multi-threaded applications, one of the most common problems experienced are race conditions. My questions to the community are: What is a race condition? How do you detect them? How do you handle them? Finally, how do you prevent them from occurring? 回答1: A race condition occurs when two or more threads can access shared data and they try to change it at the same time. Because the thread scheduling algorithm can swap between threads at any time, you don't know the order in which