hello everyone, 1.*about ev_async. *I use only one ev_async as the signal. when something happens, call ev_async_send(loop, &watcher). before the ev_async_send, I add one ev_async_pending(&watcher) to see the status of the watcher. ev_async_pending returns a non-zero value, which means "the event has not yet been processed (or even noted) by the event loop" . I'm afraid there's something missing. is it a solution to fix it? 2.*about shared ev_loop*. last time we were talking about the ev_run and ev_break in different thread need some mutex because the shared ev_loop. how about the ev_TYPE_stop, ev_TYPE_start? If I should add a mutex for them? 3. *about watchers in the ev_loop*. It seems that I should call ev_TYPE_stop to stop every watchers before ev_break or ev_loop_destroy. Is there a API to get all the watchers? 4. *about exit ev_loop immediately*. How to use the setjmp or longjmp to exit ev_loop immediately? Thank you all.
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