| /* |
| * 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. |
| */ |
| |
| #ifndef FRAMEWORKS_NATIVE_CMDS_LSHAL_PIPE_RELAY_H_ |
| |
| #define FRAMEWORKS_NATIVE_CMDS_LSHAL_PIPE_RELAY_H_ |
| |
| #include <android-base/macros.h> |
| #include <ostream> |
| #include <utils/Errors.h> |
| #include <utils/RefBase.h> |
| |
| namespace android { |
| namespace lshal { |
| |
| /* Creates an AF_UNIX socketpair and spawns a thread that relays any data |
| * written to the "write"-end of the pair to the specified output stream "os". |
| */ |
| struct PipeRelay { |
| explicit PipeRelay(std::ostream &os); |
| ~PipeRelay(); |
| |
| status_t initCheck() const; |
| |
| // Returns the file descriptor corresponding to the "write"-end of the |
| // connection. |
| int fd() const; |
| |
| private: |
| struct RelayThread; |
| |
| status_t mInitCheck; |
| int mFds[2]; |
| sp<RelayThread> mThread; |
| |
| static void CloseFd(int *fd); |
| |
| DISALLOW_COPY_AND_ASSIGN(PipeRelay); |
| }; |
| |
| } // namespace lshal |
| } // namespace android |
| |
| #endif // FRAMEWORKS_NATIVE_CMDS_LSHAL_PIPE_RELAY_H_ |
| |