static void *main_alarm_handler(void *ctx)
{
QALARM *q = (QALARM *)ctx;
QUEUE_ITEM *item;
pthread_t tid;
QTHREAD *qt;
while ((item = Get_Queue_Item(q->queue))) {
if (!strcmp(item->action, "Terminate")) {
/* Send termination signal */
for (qt = q->threads; qt != NULL; qt = qt->next)
Add_Queue_Item(qt->queue, "Terminate", NULL, 0);
/* Wait for termination */
for (qt = q->threads; qt != NULL; qt = qt->next)
pthread_join(qt->tid, NULL);
while (q->threads)
delete_alarm(q, q->threads->tid);
Free_Queue_Item(item);
return NULL;
} else if (!strcmp(item->action, "Wait")) {
/* Wait for termination */
for (qt = q->threads; qt != NULL; qt = qt->next)
pthread_join(qt->tid, NULL);
while (q->threads)
delete_alarm(q, q->threads->tid);
Free_Queue_Item(item);
return NULL;
} else if (!strcmp(item->action, "Destroy")) {
if (item->sz != sizeof(pthread_t)) {
Free_Queue_Item(item);
continue;
}
pthread_join(*((pthread_t *)(item->data)), NULL);
delete_alarm(q, *((pthread_t *)(item->data)));
} else {
fprintf(stderr, "Unknown action: %s\n", item->action);
}
Free_Queue_Item(item);
}
return NULL;
}
void Free_Queue(QUEUE *queue)
{
QUEUE_ITEM *item;
while (queue->head) {
item = Pop_Queue_Item(queue);
fprintf(stderr, "(filename: %s)(paack_no: %d): (length: %u)\n", item->filename, item->pack_no, item->length);
Free_Queue_Item(item);
}
}
static void *inner_alarm_handler(void *ctx)
{
QTHREAD *qt = (QTHREAD *)ctx;
time_t starttime;
time_t newtime;
struct timeval t;
QUEUE_ITEM *item;
starttime = time(NULL);
newtime = qt->timeout;
while (time(NULL) - starttime < newtime) {
t.tv_sec = newtime < POLLSEC ? newtime : POLLSEC;
t.tv_usec = 0;
select(0, NULL, NULL, NULL, &t);
newtime = qt->timeout - (time(NULL) - starttime);
if (!Queue_Empty(qt->queue)) {
item = Get_Queue_Item(qt->queue);
if (!strcmp(item->action, "Terminate")) {
Free_Queue_Item(item);
return NULL;
}
Free_Queue_Item(item);
}
}
qt->cb(qt->data);
if (qt->flags & QALARM_RECUR)
add_alarm(qt->parent, qt->timeout, qt->cb, qt->data, qt->flags);
Add_Queue_Item(qt->parent->queue, "Destroy", &(qt->tid), sizeof(pthread_t));
return NULL;
}