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For example, in Java, the Selector's select () method is used to implement this synchronous blocking operation waiting for an event to occur. In the implementation of select () under Linux operating system, a) will call epollCtl (epfd, opcode, fd, events) to register the events that have been registered in Initiation Dispatcher into Linux system, where fd means Handle and events means Handle events that we are interested in; B) Synchronize the occurrence of a blocked wait registered event by calling the epollWait method. Events on different event sources may occur at the same time. Once an event is triggered, the epollWait method will return. C) Finally, find the associated SelectorKeyImpl object by the event that occurred, set the event that occurred to the ready state, and then put the SelectorKeyImpl into the selectedSet. In this way, we can get the event-ready SelectorKeyImpl collection through the Selector.selectedKeys () method.既然没法与王族联姻，没法与豪族联姻，那我们干脆与百姓联姻。怎就收服了山匪，如今反倒替她作证呢？汪正松忙详述内情，赵耘在一旁补充，——他昨晚又仔细寻问了香荽（下文一律改香儿为香荽）当时脱身的经过，皇帝和众臣听得目瞪口呆。因而除因为儿子给杨继盛收尸的王忬倒霉外，北方将领日子虽然苦，脑袋却还能保住。周耀辉感叹不已，把当时的情形对大家说了一遍，赞道：小公爷当年就仪容不俗。葫芦紧闭着嘴巴，面无表情地看着那媳妇进了郑家院子，脚下步伐加快。