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IO: Fix race condition in event processing

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When regular event was added from work event, we did remember that
regular event list was empty and therefore we did not use zero time
in poll(). This leads to ~3 s latency in route reload during
reconfiguration.
This commit is contained in:
Ondrej Zajicek 2023-10-04 17:36:03 +02:00
parent 0bfa216f49
commit 6a242b3ec6
1 changed files with 3 additions and 3 deletions
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6
sysdep/unix/io.c
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@ -2226,12 +2226,12 @@ io_loop(void)
for(;;) for(;;)
{ {
times_update(&main_timeloop); times_update(&main_timeloop);
events = ev_run_list(&global_event_list); ev_run_list(&global_event_list);
events = ev_run_list_limited(&global_work_list, WORK_EVENTS_MAX) || events; ev_run_list_limited(&global_work_list, WORK_EVENTS_MAX);
timers_fire(&main_timeloop); timers_fire(&main_timeloop);
io_close_event(); io_close_event();
// FIXME events = !EMPTY_LIST(global_event_list) || !EMPTY_LIST(global_work_list);
poll_tout = (events ? 0 : 3000); /* Time in milliseconds */ poll_tout = (events ? 0 : 3000); /* Time in milliseconds */
if (t = timers_first(&main_timeloop)) if (t = timers_first(&main_timeloop))
{ {