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https://stackoverflow.com/questions/2567498/objective-c-categories-in-static-library The answer from Vladimir is actually pretty good, however, I'd li 阅读全文
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https://developer.apple.com/library/content/documentation/Cocoa/Conceptual/ObjCRuntimeGuide/Articles/ocrtHowMessagingWorks.html#//apple_ref/doc/uid/TP 阅读全文
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http://blog.csdn.net/rsyp2008/article/details/45150621 1 线程ID获取方法 Linux下获取线程有两种方法： 1）gettid或者类似gettid的方法 2）直接调用pthread_self() gettid 获取的是内核中线程ID，而pthr 阅读全文