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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.男主角BIE从小被生母抛弃，被有同性恋倾向、在夜总会做表演的养父收养了。为了让BIE能健康地成长，养父离开了夜总会，开了一家沙龙重新开始了新生活。虽然他们父子俩生活艰苦，但很快乐，养父对BIE很用心。BIE很争气，长大后考上了大学，自从第一天在大学里见到了AFF后，就喜欢上了AFF，但刚开始AFF却对BIE没有太多感觉。Looking at the INPUT chain in the filter table again, we find that the rule has been added. In iptables, the action is called "target", so the action corresponding to the taget field in the above figure is DROP.During that time, Zhao Mucheng had been afraid to sleep for several days in a row. He slept for up to one hour a day. Zhao Mucheng was lying in bed when he killed Baud.在当老师的第一天，库玛丽卡（Aom苏沙尔马纳英）遇到了一个大问题，她没有检查学校的时间表。由于不知情，她最终与拥有整个学校的人打架，这使她担心自己不仅不能通过评估，而且会失去工作。然而，库玛丽卡震惊地发现，店主只是和她调情，而没有解雇她。她不相信他对她是认真的，开始忽视他的所有进步。她的两个兄弟，另一方面，开始调查他的背景，以保护她。Start computer finished!Test Output: