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update

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This commit is contained in:
Bob Halley
1998-10-16 21:41:30 +00:00
parent a75f433c83
commit 918bae0f4b
4 changed files with 44 additions and 18 deletions
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29
lib/isc/timer.c
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@@ -152,10 +152,12 @@ schedule(timer_t timer, os_time_t *nowp, boolean_t broadcast_ok) {
manager->nscheduled++;
}
#ifdef TIMER_TRACE
printf("schedule %p at %lu.%09lu\n",
timer,
(unsigned long)due.seconds,
(unsigned long)due.nanoseconds);
#endif
/*
* If this timer is at the head of the queue, we wake up the run
@@ -164,7 +166,9 @@ schedule(timer_t timer, os_time_t *nowp, boolean_t broadcast_ok) {
* want it to oversleep.
*/
if (timer->index == 1 && broadcast_ok) {
#ifdef TIMER_TRACE
printf("broadcast (schedule)\n");
#endif
BROADCAST(&manager->wakeup);
}
@@ -189,7 +193,9 @@ deschedule(timer_t timer) {
INSIST(manager->nscheduled > 0);
manager->nscheduled--;
if (need_wakeup) {
#ifdef TIMER_TRACE
printf("broadcast (deschedule)\n");
#endif
BROADCAST(&manager->wakeup);
}
}
@@ -258,7 +264,7 @@ timer_create(timer_manager_t manager, timer_type_t type,
timer->magic = TIMER_MAGIC;
timer->manager = manager;
timer->references = 1;
if (type == timer_type_idle && !ZERO(interval))
if (type == timer_type_once && !ZERO(interval))
os_time_add(&now, &interval, &timer->idle);
else {
timer->idle.seconds = 0;
@@ -333,7 +339,7 @@ timer_reset(timer_t timer, timer_type_t type,
timer->type = type;
timer->expires = expires;
timer->interval = interval;
if (type == timer_type_idle && !ZERO(interval))
if (type == timer_type_once && !ZERO(interval))
os_time_add(&now, &interval, &timer->idle);
else {
timer->idle.seconds = 0;
@@ -385,7 +391,7 @@ timer_touch(timer_t timer) {
LOCK(&timer->lock);
INSIST(timer->type == timer_type_idle);
INSIST(timer->type == timer_type_once);
result = os_time_get(&now);
if (result != ISC_R_SUCCESS) {
@@ -474,20 +480,25 @@ dispatch(timer_manager_t manager, os_time_t *nowp) {
/*
* Idle timer has been touched; reschedule.
*/
#ifdef TIMER_TRACE
printf("timer %p idle reschedule\n", timer);
#endif
post_event = FALSE;
need_schedule = TRUE;
}
if (post_event) {
#ifdef TIMER_TRACE
printf("timer %p posting %u\n", timer,
type);
#endif
event = task_event_allocate(manager->mctx,
timer,
type,
timer->action,
timer->arg,
sizeof *event);
if (event != NULL)
INSIST(task_send_event(timer->task,
&event));
@@ -524,26 +535,36 @@ run(void *uap) {
LOCK(&manager->lock);
while (!manager->done) {
INSIST(os_time_get(&now) == ISC_R_SUCCESS);
#ifdef TIMER_TRACE
printf("running, now %lu.%09lu\n",
(unsigned long)now.seconds,
(unsigned long)now.nanoseconds);
#endif
dispatch(manager, &now);
if (manager->nscheduled > 0) {
ts.tv_sec = manager->due.seconds;
ts.tv_nsec = manager->due.nanoseconds;
#ifdef TIMER_TRACE
printf("waituntil %lu.%09lu\n",
(unsigned long)manager->due.seconds,
(unsigned long)manager->due.nanoseconds);
#endif
WAITUNTIL(&manager->wakeup, &manager->lock, &ts,
&timeout);
#ifdef TIMER_TRACE
if (!timeout)
printf("wakeup\n");
#endif
} else {
#ifdef TIMER_TRACE
printf("wait\n");
#endif
WAIT(&manager->wakeup, &manager->lock);
#ifdef TIMER_TRACE
printf("wakeup\n");
#endif
}
}
UNLOCK(&manager->lock);
@@ -628,7 +649,9 @@ timer_manager_destroy(timer_manager_t *managerp) {
UNLOCK(&manager->lock);
#ifdef TIMER_TRACE
printf("broadcast (destroy)\n");
#endif
BROADCAST(&manager->wakeup);
/*