| /** |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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. |
| */ |
| /* |
| * Implementation of the user-space ashmem API for devices, which have our |
| * ashmem-enabled kernel. See ashmem-sim.c for the "fake" tmp-based version, |
| * used by the simulator. |
| */ |
| |
| #ifndef IPCTYPE_H |
| #define IPCTYPE_H |
| #include <stdint.h> |
| struct IPCPackage { |
| uint32_t packageSize; |
| uint32_t msg; |
| uint32_t type[1]; |
| }; |
| |
| enum class IPCType { |
| INT32, |
| INT64, |
| FLOAT, |
| DOUBLE, |
| JSONSTRING, |
| STRING, |
| BYTEARRAY, /* terminated with zero. */ |
| CHARARRAY, |
| VOID, |
| JSUNDEFINED, |
| END, |
| }; |
| |
| static const uint32_t MSG_MASK = (1U << 31) - 1; |
| static const uint32_t MSG_END = static_cast<uint32_t>(-1) & MSG_MASK; |
| static const uint32_t MSG_TERMINATE = static_cast<uint32_t>(-2) & MSG_MASK; |
| static const uint32_t MSG_NOT_SET = static_cast<uint32_t>(-3) & MSG_MASK; |
| static const uint32_t MSG_FLAG_ASYNC = 1U << 31; |
| #endif /* IPCTYPE_H */ |