void _bufferevent_generic_adj_timeouts(struct bufferevent *bev) { const short enabled = bev->enabled; if ((enabled & EV_READ) && evutil_timerisset(&bev->timeout_read)) event_add(&bev->ev_read, &bev->timeout_read); else event_del(&bev->ev_read); if ((enabled & EV_WRITE) && evutil_timerisset(&bev->timeout_write)) event_add(&bev->ev_write, &bev->timeout_write); else event_del(&bev->ev_write); }
static int be_socket_adj_timeouts(struct bufferevent *bufev) { int r = 0; if (event_pending(&bufev->ev_read, EV_READ, NULL)) { if (evutil_timerisset(&bufev->timeout_read)) { if (be_socket_add(&bufev->ev_read, &bufev->timeout_read) < 0) r = -1; } else { event_remove_timer(&bufev->ev_read); } } if (event_pending(&bufev->ev_write, EV_WRITE, NULL)) { if (evutil_timerisset(&bufev->timeout_write)) { if (be_socket_add(&bufev->ev_write, &bufev->timeout_write) < 0) r = -1; } else { event_remove_timer(&bufev->ev_write); } } return r; }
int _bufferevent_generic_adj_timeouts(struct bufferevent *bev) { const short enabled = bev->enabled; struct bufferevent_private *bev_p = EVUTIL_UPCAST(bev, struct bufferevent_private, bev); int r1=0, r2=0; if ((enabled & EV_READ) && !bev_p->read_suspended && evutil_timerisset(&bev->timeout_read)) r1 = event_add(&bev->ev_read, &bev->timeout_read); else r1 = event_del(&bev->ev_read); if ((enabled & EV_WRITE) && !bev_p->write_suspended && evutil_timerisset(&bev->timeout_write) && evbuffer_get_length(bev->output)) r2 = event_add(&bev->ev_write, &bev->timeout_write); else r2 = event_del(&bev->ev_write); if (r1 < 0 || r2 < 0) return -1; return 0; }
static void thread_conditions_simple(void *arg) { struct timeval tv_signal, tv_timeout, tv_broadcast; struct alerted_record alerted[NUM_THREADS]; THREAD_T threads[NUM_THREADS]; struct cond_wait cond; int i; struct timeval launched_at; struct event wake_one; struct event wake_all; struct basic_test_data *data = arg; struct event_base *base = data->base; int n_timed_out=0, n_signal=0, n_broadcast=0; tv_signal.tv_sec = tv_timeout.tv_sec = tv_broadcast.tv_sec = 0; tv_signal.tv_usec = 30*1000; tv_timeout.tv_usec = 150*1000; tv_broadcast.tv_usec = 500*1000; EVTHREAD_ALLOC_LOCK(cond.lock, EVTHREAD_LOCKTYPE_RECURSIVE); EVTHREAD_ALLOC_COND(cond.cond); tt_assert(cond.lock); tt_assert(cond.cond); for (i = 0; i < NUM_THREADS; ++i) { memset(&alerted[i], 0, sizeof(struct alerted_record)); alerted[i].cond = &cond; } /* Threads 5 and 6 will be allowed to time out */ memcpy(&alerted[5].delay, &tv_timeout, sizeof(tv_timeout)); memcpy(&alerted[6].delay, &tv_timeout, sizeof(tv_timeout)); evtimer_assign(&wake_one, base, wake_one_timeout, &cond); evtimer_assign(&wake_all, base, wake_all_timeout, &cond); evutil_gettimeofday(&launched_at, NULL); /* Launch the threads... */ for (i = 0; i < NUM_THREADS; ++i) { THREAD_START(threads[i], wait_for_condition, &alerted[i]); } /* Start the timers... */ tt_int_op(event_add(&wake_one, &tv_signal), ==, 0); tt_int_op(event_add(&wake_all, &tv_broadcast), ==, 0); /* And run for a bit... */ event_base_dispatch(base); /* And wait till the threads are done. */ for (i = 0; i < NUM_THREADS; ++i) THREAD_JOIN(threads[i]); /* Now, let's see what happened. At least one of 5 or 6 should * have timed out. */ n_timed_out = alerted[5].timed_out + alerted[6].timed_out; tt_int_op(n_timed_out, >=, 1); tt_int_op(n_timed_out, <=, 2); for (i = 0; i < NUM_THREADS; ++i) { const struct timeval *target_delay; struct timeval target_time, actual_delay; if (alerted[i].timed_out) { TT_BLATHER(("%d looks like a timeout\n", i)); target_delay = &tv_timeout; tt_assert(i == 5 || i == 6); } else if (evutil_timerisset(&alerted[i].alerted_at)) { long diff1,diff2; evutil_timersub(&alerted[i].alerted_at, &launched_at, &actual_delay); diff1 = timeval_msec_diff(&actual_delay, &tv_signal); diff2 = timeval_msec_diff(&actual_delay, &tv_broadcast); if (abs(diff1) < abs(diff2)) { TT_BLATHER(("%d looks like a signal\n", i)); target_delay = &tv_signal; ++n_signal; } else { TT_BLATHER(("%d looks like a broadcast\n", i)); target_delay = &tv_broadcast; ++n_broadcast; } } else { TT_FAIL(("Thread %d never got woken", i)); continue; } evutil_timeradd(target_delay, &launched_at, &target_time); test_timeval_diff_leq(&target_time, &alerted[i].alerted_at, 0, 50); } tt_int_op(n_broadcast + n_signal + n_timed_out, ==, NUM_THREADS); tt_int_op(n_signal, ==, 1); end: ; }