fix async

ge/hybrid/executor/hybrid_model_async_executor.cc

@@ -58,7 +58,7 @@ Status HybridModelAsyncExecutor::Start(const std::shared_ptr<ModelListener> &lis
 
   run_flag_ = true;
   listener_ = listener;
-  future_ = std::async([&]() -> Status {
+  future_ = std::async(std::launch::async, [&]() -> Status {
     GetContext().SetSessionId(executor_->GetContext()->session_id);
     return RunInternal();
   });

ge/hybrid/executor/rt_callback_manager.cc

@@ -49,7 +49,7 @@ Status CallbackManager::RegisterCallback(rtCallback_t callback, void *user_data)
 Status CallbackManager::Init() {
   rtContext_t ctx = nullptr;
   GE_CHK_RT_RET(rtCtxGetCurrent(&ctx));
-  ret_future_ = std::async([&](rtContext_t context) ->Status {
+  ret_future_ = std::async(std::launch::async, [&](rtContext_t context) ->Status {
     return CallbackProcess(context);
   }, ctx);
   if (!ret_future_.valid()) {

ge/hybrid/executor/subgraph_executor.cc

@@ -307,7 +307,7 @@ Status SubgraphExecutor::LaunchTasks() {
 
 Status SubgraphExecutor::ScheduleTasks() {
   GELOGD("[%s] Start to schedule prepare workers.", graph_item_->GetName().c_str());
-  auto prepare_future = std::async([&]() -> Status {
+  auto prepare_future = std::async(std::launch::async, [&]() -> Status {
     GetContext().SetSessionId(context_->session_id);
     auto ret = PrepareNodes();
     ready_queue_.Push(nullptr);