platform_hardware_interfaces/automotive/can/1.0/default/CloseHandle.cpp
Tomasz Wasilczyk 55f21936e9 Migrate CAN bus HAL to nested namespaces
Test: it builds
Change-Id: I83d9ef4f1fff1585e6487c95f09b55b1aa5b3e63
2019-12-20 09:20:24 -08:00

35 lines
1.1 KiB
C++

/*
* Copyright (C) 2019 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.
*/
#include "CloseHandle.h"
namespace android::hardware::automotive::can::V1_0::implementation {
CloseHandle::CloseHandle(Callback callback) : mCallback(callback) {}
CloseHandle::~CloseHandle() {
close();
}
Return<void> CloseHandle::close() {
const auto wasClosed = mIsClosed.exchange(true);
if (wasClosed) return {};
if (mCallback != nullptr) mCallback();
return {};
}
} // namespace android::hardware::automotive::can::V1_0::implementation