/**
* @short Advises the listener to stop.
*
* The listener is advised to stop listening. After this call no listening is still open, and listen could be
* called again, or the onion server freed.
*
* If there is any pending connection, it can finish if onion not freed before.
*/
void onion_listen_stop(onion* server){
/// Start listening
onion_listen_point **lp=server->listen_points;
while (*lp){
onion_listen_point_listen_stop(*lp);
lp++;
}
if (server->poller){
ONION_DEBUG("Stop listening");
onion_poller_stop(server->poller);
}
#ifdef HAVE_PTHREADS
if (server->flags&O_DETACHED)
pthread_join(server->listen_thread, NULL);
#endif
}
/**
* @short Removes a file descriptor, and all related callbacks from the listening queue
* @memberof onion_poller_t
* @ingroup poller
*/
int onion_poller_remove(onion_poller *poller, int fd){
if (epoll_ctl(poller->fd, EPOLL_CTL_DEL, fd, NULL) < 0){
if (errno!=ENOENT && errno!=EBADF){
ONION_ERROR("Error remove descriptor to listen to. %s (%d)", strerror(errno), errno);
}
}
pthread_mutex_lock(&poller->mutex);
ONION_DEBUG0("Trying to remove fd %d (%d)", fd, poller->n);
onion_poller_slot *el=poller->head;
if (el && el->fd==fd){
ONION_DEBUG0("Removed from head %p", el);
poller->head=el->next;
pthread_mutex_unlock(&poller->mutex);
onion_poller_slot_free(el);
return 0;
}
while (el->next){
if (el->next->fd==fd){
ONION_DEBUG0("Removed from tail %p",el);
onion_poller_slot *t=el->next;
el->next=t->next;
if (poller->head->next==NULL){ // This means only eventfd is here.
ONION_DEBUG0("Removed last, stopping poll");
onion_poller_stop(poller);
}
pthread_mutex_unlock(&poller->mutex);
onion_poller_slot_free(t);
return 0;
}
el=el->next;
}
pthread_mutex_unlock(&poller->mutex);
ONION_WARNING("Trying to remove unknown fd from poller %d", fd);
return 0;
}
static int onion_poller_stop_helper(void *p){
onion_poller_stop(p);
return 1;
}
