| /* |
| * Copyright (C) 2016 The Android Open Source Project |
| * |
| * 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. |
| */ |
| |
| #ifndef CHRE_UTIL_FIXED_SIZE_BLOCKING_QUEUE_IMPL_H_ |
| #define CHRE_UTIL_FIXED_SIZE_BLOCKING_QUEUE_IMPL_H_ |
| |
| #include "chre/util/fixed_size_blocking_queue.h" |
| #include "chre/util/lock_guard.h" |
| |
| namespace chre { |
| |
| template<typename ElementType, size_t kSize> |
| bool FixedSizeBlockingQueue<ElementType, kSize>::push( |
| const ElementType& element) { |
| bool success; |
| { |
| LockGuard<Mutex> lock(mMutex); |
| success = mQueue.push(element); |
| } |
| if (success) { |
| mConditionVariable.notify_one(); |
| } |
| return success; |
| } |
| |
| template<typename ElementType, size_t kSize> |
| ElementType FixedSizeBlockingQueue<ElementType, kSize>::pop() { |
| LockGuard<Mutex> lock(mMutex); |
| while (mQueue.empty()) { |
| mConditionVariable.wait(mMutex); |
| } |
| |
| ElementType element(std::move(mQueue.front())); |
| mQueue.pop(); |
| return element; |
| } |
| |
| template<typename ElementType, size_t kSize> |
| bool FixedSizeBlockingQueue<ElementType, kSize>::empty() { |
| LockGuard<Mutex> lock(mMutex); |
| return mQueue.empty(); |
| } |
| |
| } // namespace chre |
| |
| #endif // CHRE_UTIL_BLOCKING_QUEUE_IMPL_H_ |