blob: fec83acf80aec33d47f01e94dcb2fa01a10847d9 [file] [log] [blame]
/*
* Copyright (C) 2017 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 <unistd.h>
#include <hidlmemory/FrameworkUtils.h>
namespace android {
namespace hardware {
sp<HidlMemory> fromHeap(const sp<IMemoryHeap>& heap) {
int fd = dup(heap->getHeapID());
if (fd < 0) {
return HidlMemory::getInstance(hidl_memory());
}
// Only being used because this library is paired with the IAllocator
// ashmem. Other places should not make assumptions about the contents
// of this memory.
return HidlMemory::getInstance("ashmem", fd, heap->getSize());
}
} // namespace hardware
} // namespace android