| /* |
| * Copyright (C) 2008 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. |
| */ |
| |
| /* |
| * 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 */ |