目录什么是线程同步？一、互斥锁（单人洗手间规则）适用场景：特点：二、条件变量（咖啡厅取餐系统）工作流程：适用场景：三、自旋锁（抢车位）适用场景：注意事项：锁类型对比表：什么是线程同步？
As a relative newcomer to 开发者_运维问答MFC, I see Device Contexts (DCs) a lot. I vaguely understand that it\'s something to do with drawing, but the specifics are not very well explained anywhere th
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