void loop_poll_events(Loop *loop, int ms)
{
if (loop->recursive++) {
abort(); // Should not re-enter uv_run
}
uv_run_mode mode = UV_RUN_ONCE;
if (ms > 0) {
// Use a repeating timeout of ms milliseconds to make sure
// we do not block indefinitely for I/O.
uv_timer_start(&loop->poll_timer, timer_cb, (uint64_t)ms, (uint64_t)ms);
} else if (ms == 0) {
// For ms == 0, we need to do a non-blocking event poll by
// setting the run mode to UV_RUN_NOWAIT.
mode = UV_RUN_NOWAIT;
}
uv_run(&loop->uv, mode);
if (ms > 0) {
uv_timer_stop(&loop->poll_timer);
}
loop->recursive--; // Can re-enter uv_run now
multiqueue_process_events(loop->fast_events);
}
static bool input_poll(int ms)
{
if (do_profiling == PROF_YES && ms) {
prof_inchar_enter();
}
if ((ms == - 1 || ms > 0) && !events_enabled && !input_eof) {
// The pending input provoked a blocking wait. Do special events now. #6247
blocking = true;
multiqueue_process_events(ch_before_blocking_events);
}
LOOP_PROCESS_EVENTS_UNTIL(&main_loop, NULL, ms, input_ready() || input_eof);
blocking = false;
if (do_profiling == PROF_YES && ms) {
prof_inchar_exit();
}
return input_ready();
}