| // Copyright 2017 The Cobalt Authors. All Rights Reserved. |
| // |
| // 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 STARBOARD_SHARED_WIN32_AUTO_EVENT_HANDLE_H_ |
| #define STARBOARD_SHARED_WIN32_AUTO_EVENT_HANDLE_H_ |
| |
| #include <winsock2.h> |
| |
| namespace starboard { |
| namespace shared { |
| namespace win32 { |
| |
| class AutoEventHandle { |
| public: |
| explicit AutoEventHandle(WSAEVENT event) : event_(event) {} |
| |
| ~AutoEventHandle() { CleanupExistingEvent(); } |
| |
| void Reset(WSAEVENT new_event) { |
| CleanupExistingEvent(); |
| event_ = new_event; |
| } |
| |
| bool IsValid() const { return event_ != WSA_INVALID_EVENT; } |
| |
| WSAEVENT GetEvent() { return event_; } |
| |
| private: |
| AutoEventHandle(const AutoEventHandle&) = delete; |
| AutoEventHandle& operator=(const AutoEventHandle&) = delete; |
| |
| void CleanupExistingEvent() { |
| if (IsValid()) { |
| WSACloseEvent(event_); |
| event_ = WSA_INVALID_EVENT; |
| } |
| } |
| |
| WSAEVENT event_; |
| }; |
| |
| } // namespace win32 |
| } // namespace shared |
| } // namespace starboard |
| |
| #endif // STARBOARD_SHARED_WIN32_AUTO_EVENT_HANDLE_H_ |