1 files changed, 14 insertions, 6 deletions
diff --git a/test/cpp/qps/server_sync.cc b/test/cpp/qps/server_sync.cc
index 9954e2c0bf..4ef57bd08b 100644
--- a/test/cpp/qps/server_sync.cc
+++ b/test/cpp/qps/server_sync.cc
@@ -156,12 +156,15 @@ class SynchronousServer final : public grpc::testing::Server {
   explicit SynchronousServer(const ServerConfig& config) : Server(config) {
     ServerBuilder builder;
 
-    char* server_address = NULL;
-
-    gpr_join_host_port(&server_address, "::", port());
-    builder.AddListeningPort(server_address,
-                             Server::CreateServerCredentials(config));
-    gpr_free(server_address);
+    auto port_num = port();
+    // Negative port number means inproc server, so no listen port needed
+    if (port_num >= 0) {
+      char* server_address = NULL;
+      gpr_join_host_port(&server_address, "::", port_num);
+      builder.AddListeningPort(server_address,
+                               Server::CreateServerCredentials(config));
+      gpr_free(server_address);
+    }
 
     ApplyConfigToBuilder(config, &builder);
 
@@ -170,6 +173,11 @@ class SynchronousServer final : public grpc::testing::Server {
     impl_ = builder.BuildAndStart();
   }
 
+  std::shared_ptr<Channel> InProcessChannel(
+      const ChannelArguments& args) override {
+    return impl_->InProcessChannel(args);
+  }
+
  private:
   BenchmarkServiceImpl service_;
   std::unique_ptr<grpc::Server> impl_;