| /** |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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 QUICKSTEP_THREADING_WINDOWS_CONDITION_VARIABLE_HPP_ |
| #define QUICKSTEP_THREADING_WINDOWS_CONDITION_VARIABLE_HPP_ |
| |
| #include "threading/ConditionVariable.hpp" |
| #include "threading/WinThreadsAPI.hpp" |
| #include "utility/Macros.hpp" |
| |
| namespace quickstep { |
| |
| /** \addtogroup Threading |
| * @{ |
| */ |
| |
| /** |
| * @brief Implementation of ConditionVariable using MS Windows threads. |
| **/ |
| class ConditionVariableImplWindows { |
| public: |
| ~ConditionVariableImplWindows() { |
| } |
| |
| inline void await() { |
| SleepConditionVariableCS(&condition_variable_, |
| parent_critical_section_, |
| INFINITE); |
| } |
| |
| inline bool awaitWithTimeout(std::uint64_t milliseconds) { |
| return SleepConditionVariableCS(&condition_variable_, |
| parent_critical_section_, |
| milliseconds); |
| } |
| |
| inline void signalOne() { |
| WakeConditionVariable(&condition_variable_); |
| } |
| |
| inline void signalAll() { |
| WakeAllConditionVariable(&condition_variable_); |
| } |
| |
| private: |
| explicit ConditionVariableImplWindows(CRITICAL_SECTION *parent_critical_section) |
| : parent_critical_section_(parent_critical_section) { |
| } |
| |
| CRITICAL_SECTION *parent_critical_section_; |
| CONDITION_VARIABLE condition_variable_; |
| |
| friend class RecursiveMutexImplWindows; |
| |
| DISALLOW_COPY_AND_ASSIGN(ConditionVariableImplWindows); |
| }; |
| typedef ConditionVariableImplWindows ConditionVariable; |
| |
| /** @} */ |
| |
| } // namespace quickstep |
| |
| #endif // QUICKSTEP_THREADING_WINDOWS_CONDITION_VARIABLE_HPP_ |