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IO: Avoid multiple event cycles in one loop cycle.

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Event cycle may took too much time and trigger next timer events, so
avoid cycling between timer and event cycles inside the loop cycle.
This commit is contained in:
Ondrej Zajicek (work) 2016-04-06 11:57:28 +02:00
parent 9e7b3ebdf9
commit bd22d7f41d
2 changed files with 6 additions and 1 deletions
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4
proto/bgp/bgp.c
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@ -668,6 +668,10 @@ bgp_keepalive_timeout(timer *t)
DBG("BGP: Keepalive timer\n"); DBG("BGP: Keepalive timer\n");
bgp_schedule_packet(conn, PKT_KEEPALIVE); bgp_schedule_packet(conn, PKT_KEEPALIVE);
/* Kick TX a bit faster */
if (ev_active(conn->tx_ev))
ev_run(conn->tx_ev);
} }
static void static void

3
sysdep/unix/io.c
View file

@ -2055,12 +2055,13 @@ io_loop(void)
for(;;) for(;;)
{ {
events = ev_run_list(&global_event_list); events = ev_run_list(&global_event_list);
timers:
update_times(); update_times();
tout = tm_first_shot(); tout = tm_first_shot();
if (tout <= now) if (tout <= now)
{ {
tm_shot(); tm_shot();
continue; goto timers;
} }
poll_tout = (events ? 0 : MIN(tout - now, 3)) * 1000; /* Time in milliseconds */ poll_tout = (events ? 0 : MIN(tout - now, 3)) * 1000; /* Time in milliseconds */