2014年5月27日
Dispatch Semaphore
摘要： A dispatchsemaphore(信号量) is useful if you need a concurrency control for a small portion(部分) of the source code that has smaller granularity(颗粒度) than... 阅读全文
posted @ 2014-05-27 10:25 dzldzl 阅读(437) 评论(0) 推荐(0)