1 // Copyright (C) 2011 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_SYNCHRONIZATION_LOCK_H_ 18 #define I18N_PHONENUMBERS_BASE_SYNCHRONIZATION_LOCK_H_ 19 20 #if defined(I18N_PHONENUMBERS_USE_BOOST) 21 #include <boost/thread/mutex.hpp> 22 23 namespace i18n { 24 namespace phonenumbers { 25 26 typedef boost::mutex Lock; 27 typedef boost::mutex::scoped_lock AutoLock; 28 29 } // namespace phonenumbers 30 } // namespace i18n 31 32 #else // I18N_PHONENUMBERS_USE_BOOST 33 34 #include "phonenumbers/base/logging.h" 35 #include "phonenumbers/base/thread_checker.h" 36 37 // Dummy lock implementation on non-POSIX platforms. If you are running on a 38 // different platform and care about thread-safety, please compile with 39 // -DI18N_PHONENUMBERS_USE_BOOST. 40 #if !defined(__linux__) && !defined(__APPLE__) 41 42 namespace i18n { 43 namespace phonenumbers { 44 45 class Lock { 46 public: Lock()47 Lock() : thread_checker_() {} 48 Acquire()49 void Acquire() const { 50 DCHECK(thread_checker_.CalledOnValidThread()); 51 } 52 Release()53 void Release() const { 54 DCHECK(thread_checker_.CalledOnValidThread()); 55 } 56 57 private: 58 const ThreadChecker thread_checker_; 59 }; 60 61 } // namespace phonenumbers 62 } // namespace i18n 63 64 #else 65 #include "phonenumbers/base/synchronization/lock_posix.h" 66 #endif 67 68 namespace i18n { 69 namespace phonenumbers { 70 71 class AutoLock { 72 public: AutoLock(Lock & lock)73 AutoLock(Lock& lock) : lock_(lock) { 74 lock_.Acquire(); 75 } 76 ~AutoLock()77 ~AutoLock() { 78 lock_.Release(); 79 } 80 81 private: 82 Lock& lock_; 83 }; 84 85 } // namespace phonenumbers 86 } // namespace i18n 87 88 #endif // I18N_PHONENUMBERS_USE_BOOST 89 #endif // I18N_PHONENUMBERS_BASE_SYNCHRONIZATION_LOCK_H_ 90