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authorGravatar Alexander Polcyn <apolcyn@google.com>2018-11-30 01:59:15 -0800
committerGravatar Alexander Polcyn <apolcyn@google.com>2018-11-30 15:06:11 -0800
commitb203ed3c071361826f3b24d940e6bfa1c3d19f81 (patch)
tree17d4796077fc853de7a14a3df7201a44d057f2ba /src/core/ext/filters/client_channel/resolver/dns/c_ares/grpc_ares_wrapper.h
parent7ef8fc826c52b0c4abeaead633d464197fc0bdf8 (diff)
Cancel still-active c-ares queries after 10 seconds to avoid chance of deadlock
Diffstat (limited to 'src/core/ext/filters/client_channel/resolver/dns/c_ares/grpc_ares_wrapper.h')
-rw-r--r--src/core/ext/filters/client_channel/resolver/dns/c_ares/grpc_ares_wrapper.h4
1 files changed, 3 insertions, 1 deletions
diff --git a/src/core/ext/filters/client_channel/resolver/dns/c_ares/grpc_ares_wrapper.h b/src/core/ext/filters/client_channel/resolver/dns/c_ares/grpc_ares_wrapper.h
index a1231cc4e0..9acef1d0ca 100644
--- a/src/core/ext/filters/client_channel/resolver/dns/c_ares/grpc_ares_wrapper.h
+++ b/src/core/ext/filters/client_channel/resolver/dns/c_ares/grpc_ares_wrapper.h
@@ -26,6 +26,8 @@
#include "src/core/lib/iomgr/polling_entity.h"
#include "src/core/lib/iomgr/resolve_address.h"
+#define GRPC_DNS_ARES_DEFAULT_QUERY_TIMEOUT_MS 10000
+
extern grpc_core::TraceFlag grpc_trace_cares_address_sorting;
extern grpc_core::TraceFlag grpc_trace_cares_resolver;
@@ -60,7 +62,7 @@ extern grpc_ares_request* (*grpc_dns_lookup_ares_locked)(
const char* dns_server, const char* name, const char* default_port,
grpc_pollset_set* interested_parties, grpc_closure* on_done,
grpc_lb_addresses** addresses, bool check_grpclb,
- char** service_config_json, grpc_combiner* combiner);
+ char** service_config_json, int query_timeout_ms, grpc_combiner* combiner);
/* Cancel the pending grpc_ares_request \a request */
extern void (*grpc_cancel_ares_request_locked)(grpc_ares_request* request);