Fix a crash in evdns related to shutting down evdns

Patch from YASUOKA Masahiko; fix for libevent github issue #113.
This commit is contained in:
Nick Mathewson 2014-03-21 14:08:17 -04:00
parent b56611d705
commit 9f39c88756

14
evdns.c
View File

@ -3968,13 +3968,6 @@ evdns_base_free_and_unlock(struct evdns_base *base, int fail_requests)
request_finished(base->req_heads[i], &REQ_HEAD(base, base->req_heads[i]->trans_id), 1);
}
}
while (base->req_waiting_head) {
if (fail_requests)
reply_schedule_callback(base->req_waiting_head, 0, DNS_ERR_SHUTDOWN, NULL);
request_finished(base->req_waiting_head, &base->req_waiting_head, 1);
}
base->global_requests_inflight = base->global_requests_waiting = 0;
for (server = base->server_head; server; server = server_next) {
server_next = server->next;
evdns_nameserver_free(server);
@ -3983,6 +3976,13 @@ evdns_base_free_and_unlock(struct evdns_base *base, int fail_requests)
}
base->server_head = NULL;
base->global_good_nameservers = 0;
while (base->req_waiting_head) {
if (fail_requests)
reply_schedule_callback(base->req_waiting_head, 0, DNS_ERR_SHUTDOWN, NULL);
request_finished(base->req_waiting_head, &base->req_waiting_head, 1);
}
base->global_requests_inflight = base->global_requests_waiting = 0;
if (base->global_search_state) {
for (dom = base->global_search_state->head; dom; dom = dom_next) {