https://www.cnblogs.com/osbreak/p/17823102.html
#include <iostream>
using namespace std; void timer(int sockfd, short what, void* arg) { cout << "[timer2]" << endl; } int main(int argc, char* argv[]) { event_base* base = event_base_new(); // 持久事件 event *ev = event_new(base,-1,EV_PERSIST,timer,0); //超时优化性能优化,默认event 用二叉堆存储(完全二叉树) 插入删除O(logn) //优化到双向队列 插入删除O(1) static timeval tv_in = {3,0}; const timeval *t; t = event_base_init_common_timeout(base,&tv_in); event_add(ev3,t3); // 性能优化:插入性能 O(1) // 进入事件主循环 event_base_dispatch(base); event_base_free(base); return 0; }
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