GAULFUNC void avltree_delete(AVLTree *tree)
{
if (!tree) return;
avltree_node_delete(tree->root);
s_free(tree);
AVLnum_trees--;
THREAD_LOCK(avltree_node_buffer_lock);
if (AVLnum_trees == 0)
_destroy_buffers();
THREAD_UNLOCK(avltree_node_buffer_lock);
return;
}
GAULFUNC void avltree_destroy(AVLTree *tree, AVLDestructorFunc free_func)
{
if (!tree) return;
if (free_func!=NULL)
avltree_node_destroy(tree->root, free_func);
else
avltree_node_delete(tree->root);
s_free(tree);
AVLnum_trees--;
THREAD_LOCK(avltree_node_buffer_lock);
if (AVLnum_trees == 0)
_destroy_buffers();
THREAD_UNLOCK(avltree_node_buffer_lock);
return;
}
int knet_handle_free(knet_handle_t knet_h)
{
int savederrno = 0;
savederrno = pthread_mutex_lock(&handle_config_mutex);
if (savederrno) {
log_err(knet_h, KNET_SUB_HANDLE, "Unable to get handle mutex lock: %s",
strerror(savederrno));
errno = savederrno;
return -1;
}
if (!knet_h) {
pthread_mutex_unlock(&handle_config_mutex);
errno = EINVAL;
return -1;
}
if (knet_h->fini_in_progress) {
pthread_mutex_unlock(&handle_config_mutex);
errno = EBUSY;
return -1;
}
/*
* we take a chance here to read a value that should be 0
* only if we could not init properly. Nothing else
* is started if lock_init_done is 0.
*/
if (!knet_h->lock_init_done) {
goto exit_nolock;
}
savederrno = pthread_rwlock_wrlock(&knet_h->list_rwlock);
if (savederrno) {
log_err(knet_h, KNET_SUB_HANDLE, "Unable to get write lock: %s",
strerror(savederrno));
errno = savederrno;
return -1;
}
if ((knet_h->host_head != NULL) || (knet_h->listener_head != NULL)) {
savederrno = EBUSY;
log_err(knet_h, KNET_SUB_HANDLE,
"Unable to free handle: host(s) or listener(s) are still active: %s",
strerror(savederrno));
pthread_rwlock_unlock(&knet_h->list_rwlock);
errno = savederrno;
return -1;
}
knet_h->fini_in_progress = 1;
pthread_rwlock_unlock(&knet_h->list_rwlock);
_stop_threads(knet_h);
_close_epolls(knet_h);
_destroy_buffers(knet_h);
_close_socks(knet_h);
crypto_fini(knet_h);
_destroy_locks(knet_h);
exit_nolock:
free(knet_h);
knet_h = NULL;
pthread_mutex_unlock(&handle_config_mutex);
return 0;
}
