| /* |
| * 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 <android-base/logging.h> |
| #include <android/system/ashmem/1.0/IAshmem.h> |
| |
| using android::sp; |
| using android::hardware::hidl_handle; |
| using android::system::ashmem::V1_0::IAshmem; |
| |
| namespace android { |
| namespace ashmemd { |
| |
| extern "C" int openAshmemdFd() { |
| static sp<IAshmem> ashmemService = IAshmem::getService(); |
| if (!ashmemService) { |
| LOG(ERROR) << "Failed to get IAshmem service."; |
| return -1; |
| } |
| int fd = -1; |
| ashmemService->open([&fd](hidl_handle handle) { |
| if (handle == nullptr || handle->numFds < 1 || handle->data[0] < 0) { |
| LOG(ERROR) << "IAshmem.open() failed"; |
| } else { |
| fd = dup(handle->data[0]); |
| } |
| }); |
| return fd; |
| } |
| |
| } // namespace ashmemd |
| } // namespace android |