47 lines
1.7 KiB
Diff
47 lines
1.7 KiB
Diff
--- bind-9.8.0-P4/lib/dns/request.c.test 2011-08-04 19:13:34.300999355 +0200
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+++ bind-9.8.0-P4/lib/dns/request.c 2011-08-04 19:37:40.347002723 +0200
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@@ -97,6 +97,7 @@ struct dns_request {
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synchronously canceled */
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#define DNS_REQUEST_F_TIMEDOUT 0x0008 /*%< canceled due to a timeout */
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#define DNS_REQUEST_F_TCP 0x0010 /*%< This request used TCP */
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+#define DNS_REQUEST_F_RESPONSE 0x0020 /*%< We got response */
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#define DNS_REQUEST_CANCELED(r) \
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(((r)->flags & DNS_REQUEST_F_CANCELED) != 0)
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#define DNS_REQUEST_CONNECTING(r) \
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@@ -105,6 +106,8 @@ struct dns_request {
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(((r)->flags & DNS_REQUEST_F_SENDING) != 0)
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#define DNS_REQUEST_TIMEDOUT(r) \
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(((r)->flags & DNS_REQUEST_F_TIMEDOUT) != 0)
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+#define DNS_REQUEST_RESPONSE(r) \
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+ (((r)->flags & DNS_REQUEST_F_RESPONSE) != 0)
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/***
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@@ -1312,9 +1315,15 @@ req_senddone(isc_task_t *task, isc_event
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if (DNS_REQUEST_CANCELED(request)) {
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/*
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- * Send delayed event.
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+ * Response can arrive before we proccess
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+ * req_senddone which means we received cancellation
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+ * request from req_response(). If we successfully
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+ * fetched response, send success. Otherwise
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+ * indicate failure.
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*/
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- if (DNS_REQUEST_TIMEDOUT(request))
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+ if (DNS_REQUEST_RESPONSE(request))
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+ send_if_done(request, ISC_R_SUCCESS);
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+ else if (DNS_REQUEST_TIMEDOUT(request))
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send_if_done(request, ISC_R_TIMEDOUT);
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else
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send_if_done(request, ISC_R_CANCELED);
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@@ -1367,6 +1376,8 @@ req_response(isc_task_t *task, isc_event
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/*
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* Send completion event.
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*/
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+ if (result == ISC_R_SUCCESS)
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+ request->flags |= DNS_REQUEST_F_RESPONSE;
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send_if_done(request, result);
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UNLOCK(&request->requestmgr->locks[request->hash]);
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}
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