补充使用Semaphore的方式,不过是Semaphore比较偏门的用法,事实上也没什么新意。#4
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zhouzonghui wants to merge 1 commit intobjmashibing:masterfrom
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补充使用Semaphore的方式,不过是Semaphore比较偏门的用法,事实上也没什么新意。#4zhouzonghui wants to merge 1 commit intobjmashibing:masterfrom
zhouzonghui wants to merge 1 commit intobjmashibing:masterfrom