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// 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_