1 // Copyright (C) 2013 The Libphonenumber Authors 2 // 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 // Author: Philippe Liard 16 17 #ifndef I18N_PHONENUMBERS_BASE_THREAD_CHECKER_H_ 18 #define I18N_PHONENUMBERS_BASE_THREAD_CHECKER_H_ 19 20 #if !defined(I18N_PHONENUMBERS_USE_BOOST) 21 22 // Note that I18N_PHONENUMBERS_NO_THREAD_SAFETY must be defined only to let the 23 // user of the library know that it can't be used in a thread-safe manner when 24 // it is not depending on Boost. 25 #if !defined(__linux__) && !defined(__APPLE__) && \ 26 !defined(I18N_PHONENUMBERS_NO_THREAD_SAFETY) 27 #error Building without Boost, please provide \ 28 -DI18N_PHONENUMBERS_NO_THREAD_SAFETY 29 #endif 30 31 #endif 32 33 #if !defined(NDEBUG) && !defined(I18N_PHONENUMBERS_USE_BOOST) && \ 34 (defined(__linux__) || defined(__apple__)) 35 36 #include <pthread.h> 37 38 namespace i18n { 39 namespace phonenumbers { 40 41 class ThreadChecker { 42 public: 43 ThreadChecker() : thread_id_(pthread_self()) {} 44 45 bool CalledOnValidThread() const { 46 return thread_id_ == pthread_self(); 47 } 48 49 private: 50 const pthread_t thread_id_; 51 }; 52 53 #else 54 55 namespace i18n { 56 namespace phonenumbers { 57 58 class ThreadChecker { 59 public: 60 bool CalledOnValidThread() const { 61 return true; 62 } 63 }; 64 65 #endif 66 67 } // namespace phonenumbers 68 } // namespace i18n 69 70 #endif // I18N_PHONENUMBERS_BASE_THREAD_CHECKER_H_ 71
