shinrich commented on a change in pull request #6686:
URL: https://github.com/apache/trafficserver/pull/6686#discussion_r476443773
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File path: iocore/hostdb/HostDB.cc
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@@ -1175,12 +1174,13 @@ HostDBContinuation::dnsEvent(int event, HostEnt *e)
timeout = nullptr;
}
EThread *thread = mutex->thread_holding;
- if (event == EVENT_INTERVAL) {
+ if (event != DNS_EVENT_LOOKUP) {
+ // This was an event_interval or an event_immediate
+ // Either we timed out, or remove_trigger_pending gave up on us
if (!action.continuation) {
// give up on insert, it has been too long
- // remove_trigger_pending_dns will notify and clean up all requests
- // including this one.
- remove_trigger_pending_dns();
+ hostDB.pending_dns_for_hash(hash.hash).remove(this);
+ hostdb_cont_free(this);
Review comment:
If it was being called through the event processing logic, the mutex
should already be held. Let me take a look through on how it is being called
directly.
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