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-rw-r--r--ares/ares_cancel.c30
1 files changed, 23 insertions, 7 deletions
diff --git a/ares/ares_cancel.c b/ares/ares_cancel.c
index c3d668e84..0209da83b 100644
--- a/ares/ares_cancel.c
+++ b/ares/ares_cancel.c
@@ -14,6 +14,7 @@
*/
#include "setup.h"
+#include <assert.h>
#include <stdlib.h>
#include "ares.h"
#include "ares_private.h"
@@ -25,18 +26,33 @@
*/
void ares_cancel(ares_channel channel)
{
- struct query *query, *next;
+ struct query *query;
+ struct list_node* list_head;
+ struct list_node* list_node;
int i;
- for (query = channel->queries; query; query = next)
+ list_head = &(channel->all_queries);
+ for (list_node = list_head->next; list_node != list_head; )
{
- next = query->next;
+ query = list_node->data;
+ list_node = list_node->next; /* since we're deleting the query */
query->callback(query->arg, ARES_ETIMEOUT, 0, NULL, 0);
- free(query->tcpbuf);
- free(query->server_info);
- free(query);
+ ares__free_query(query);
}
- channel->queries = NULL;
+#ifndef NDEBUG
+ /* Freeing the query should remove it from all the lists in which it sits,
+ * so all query lists should be empty now.
+ */
+ assert(ares__is_list_empty(&(channel->all_queries)));
+ for (i = 0; i < ARES_QID_TABLE_SIZE; i++)
+ {
+ assert(ares__is_list_empty(&(channel->queries_by_qid[i])));
+ }
+ for (i = 0; i < ARES_TIMEOUT_TABLE_SIZE; i++)
+ {
+ assert(ares__is_list_empty(&(channel->queries_by_timeout[i])));
+ }
+#endif
if (!(channel->flags & ARES_FLAG_STAYOPEN))
{
if (channel->servers)