1 /* 2 * Copyright (c) 2021 Huawei Device Co., Ltd. 3 * Licensed under the Apache License, Version 2.0 (the "License"); 4 * you may not use this file except in compliance with the License. 5 * You may obtain a copy of the License at 6 * 7 * http://www.apache.org/licenses/LICENSE-2.0 8 * 9 * Unless required by applicable law or agreed to in writing, software 10 * distributed under the License is distributed on an "AS IS" BASIS, 11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 * See the License for the specific language governing permissions and 13 * limitations under the License. 14 */ 15 16 #ifndef PANDA_LIBPANDABASE_OS_UNIX_FAILURE_RETRY_H_ 17 #define PANDA_LIBPANDABASE_OS_UNIX_FAILURE_RETRY_H_ 18 19 // Mac Os' libc doesn't have this macro 20 #ifndef TEMP_FAILURE_RETRY 21 #define TEMP_FAILURE_RETRY(exp) \ 22 (__extension__({ \ 23 decltype(exp) _result; \ 24 do { \ 25 _result = (exp); \ 26 } while (_result == -1 && errno == EINTR); \ 27 _result; \ 28 })) 29 #endif 30 31 // NOLINTNEXTLINE(cppcoreguidelines-macro-usage) 32 #define PANDA_FAILURE_RETRY(exp) (__extension__ TEMP_FAILURE_RETRY(exp)) 33 34 #endif // PANDA_LIBPANDABASE_OS_UNIX_FAILURE_RETRY_H_ 35