C++ libev,为什么要录制一个事件';evloop中的数字是3?
在libev源代码“ev.h”中,我没有找到定义数字0x03的宏C++ libev,为什么要录制一个事件';evloop中的数字是3?,c++,c,linux,networking,libev,C++,C,Linux,Networking,Libev,在libev源代码“ev.h”中,我没有找到定义数字0x03的宏 void callback(struct ev_loop *loop, ev_io *w, int events) { if (EV_READ == events) { ... } else if (EV_WRITE == events) { ... } else { here recv event's number is 3 } } 这有点像面
void callback(struct ev_loop *loop, ev_io *w, int events)
{
if (EV_READ == events) {
...
}
else if (EV_WRITE == events) {
...
}
else {
here recv event's number is 3
}
}
这有点像面具。3表示可读写条件均可处理 试试像这样的东西
EV_READ = 0x01, /* ev_io detected read will not block */
EV_WRITE = 0x02, /* ev_io detected write will not block */
感谢您的帮助,我的代码在recv事件编号为3时运行成功,应该使用并替换|?太好了!你是对的,应该是&。。。修好了,谢谢。谢谢你的帮助
if (events & EV_READ) { // something is readable
...
}
if (events & EV_WRITE) { // something is writable
...
}