| // Copyright (C) 2013 The Libphonenumber Authors |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| // Author: Philippe Liard |
| |
| #ifndef I18N_PHONENUMBERS_BASE_SYNCHRONIZATION_LOCK_POSIX_H_ |
| #define I18N_PHONENUMBERS_BASE_SYNCHRONIZATION_LOCK_POSIX_H_ |
| |
| #include <pthread.h> |
| |
| #include "phonenumbers/base/basictypes.h" |
| #include "phonenumbers/base/logging.h" |
| |
| namespace i18n { |
| namespace phonenumbers { |
| |
| class Lock { |
| public: |
| Lock() { |
| const int ret = pthread_mutex_init(&mutex_, NULL); |
| (void) ret; |
| DCHECK_EQ(0, ret); |
| } |
| |
| ~Lock() { |
| const int ret = pthread_mutex_destroy(&mutex_); |
| (void) ret; |
| DCHECK_EQ(0, ret); |
| } |
| |
| void Acquire() const { |
| int ret = pthread_mutex_lock(&mutex_); |
| (void) ret; |
| DCHECK_EQ(0, ret); |
| } |
| |
| void Release() const { |
| int ret = pthread_mutex_unlock(&mutex_); |
| (void) ret; |
| DCHECK_EQ(0, ret); |
| } |
| |
| private: |
| DISALLOW_COPY_AND_ASSIGN(Lock); |
| |
| mutable pthread_mutex_t mutex_; |
| }; |
| |
| } // namespace phonenumbers |
| } // namespace i18n |
| |
| #endif // I18N_PHONENUMBERS_BASE_SYNCHRONIZATION_LOCK_POSIX_H_ |