#include <ev.h>
#include <pthread.h>
#include <unistd.h>
#include <stdio.h>
struct ev_loop *io_loop = NULL;
ev_io io_watcher;
static void io_cb(EV_P_ ev_io *w, int revents)
{
char buf[128]={0};
int count = 0;
printf("io_cb call\n");
sleep(1);
count = read(STDIN_FILENO, buf, 128); // read方法可以清空STDIN_FILENO缓冲区,如果不清空该缓冲区,则会一直触发该回调。
printf("count = %d, buf = %s\n", count, buf);
//ev_io_stop(EV_A_ w);
//ev_break(EV_A_ EVBREAK_ALL);
//ev_io_init(&io_watcher, io_cb, STDIN_FILENO, EV_READ);
//ev_io_start(io_loop, &io_watcher);
}
int main()
{
io_loop = ev_loop_new(EVFLAG_AUTO);
ev_io_init(&io_watcher, io_cb, STDIN_FILENO, EV_READ);
ev_io_start(io_loop, &io_watcher);
ev_run(io_loop, 0); // 如果不在回调中调用stop或者break方法,ev_run后面的代码就永远不会被执行。所以一般会把注册事件放到子线程中去做。
while(1){printf("abcd");}
printf("main() call, end\n");
return 0;
}
【libev】ev_io
最新推荐文章于 2024-11-18 20:20:43 发布