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2017年2月

February 23, 2017

dispatch semaphore

简述本文首发于Daniate的个人网站,文章链接:https://daniate.com/archives/92/含义dispatch_semaphore_t/DispatchSemaphore表示计数信号量。函数Objective-C:dispatch_semaphore_createdispatch_semaphore_waitdispatch_semaphore_signalSwift...