From 89c40ddc4c61219829cbfba1d18d3a9d5fbac5ce Mon Sep 17 00:00:00 2001
From: xuyongfei <xuyongfei.huawei.com>
Date: Tue, 29 Sep 2020 18:56:02 +0800
Subject: [PATCH] serving support acl mutex

---
 serving/core/server.cc | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/serving/core/server.cc b/serving/core/server.cc
index 634881ddeb..58a6de0952 100644
--- a/serving/core/server.cc
+++ b/serving/core/server.cc
@@ -77,6 +77,7 @@ grpc::Status CreatGRPCStatus(const Status &status) {
 // Service Implement
 class MSServiceImpl final : public MSService::Service {
   grpc::Status Predict(grpc::ServerContext *context, const PredictRequest *request, PredictReply *reply) override {
+    std::lock_guard<std::mutex> lock(mutex_);
     MSI_TIME_STAMP_START(Predict)
     auto res = Session::Instance().Predict(*request, *reply);
     MSI_TIME_STAMP_END(Predict)
@@ -91,6 +92,7 @@ class MSServiceImpl final : public MSService::Service {
     MSI_LOG(INFO) << "TestService call";
     return grpc::Status::OK;
   }
+  std::mutex mutex_;
 };
 
 static std::pair<struct evhttp *, struct event_base *> NewHttpServer() {