1 /** 2 * Copyright 2020 Huawei Technologies Co., Ltd 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 #ifndef MINDSPORE_CCSRC_CXX_API_GRAPH_ACL_ACL_ENV_GUARD_H 17 #define MINDSPORE_CCSRC_CXX_API_GRAPH_ACL_ACL_ENV_GUARD_H 18 19 #include <memory> 20 #include <mutex> 21 #include "acl/acl_base.h" 22 23 namespace mindspore { 24 class __attribute__((visibility("default"))) AclEnvGuard { 25 public: 26 explicit AclEnvGuard(); 27 ~AclEnvGuard(); GetErrno()28 aclError GetErrno() const { return errno_; } 29 static std::shared_ptr<AclEnvGuard> GetAclEnv(); 30 31 private: 32 static std::shared_ptr<AclEnvGuard> global_acl_env_; 33 static std::mutex global_acl_env_mutex_; 34 35 aclError errno_; 36 }; 37 } // namespace mindspore 38 #endif // MINDSPORE_CCSRC_CXX_API_GRAPH_ACL_ACL_ENV_GUARD_H 39