From b203ed3c071361826f3b24d940e6bfa1c3d19f81 Mon Sep 17 00:00:00 2001 From: Alexander Polcyn Date: Fri, 30 Nov 2018 01:59:15 -0800 Subject: Cancel still-active c-ares queries after 10 seconds to avoid chance of deadlock --- .../filters/client_channel/resolver/dns/c_ares/grpc_ares_wrapper.h | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) (limited to 'src/core/ext/filters/client_channel/resolver/dns/c_ares/grpc_ares_wrapper.h') 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); -- cgit v1.2.3