| // Copyright (C) 2018 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. |
| |
| // third_party/ashmem is Android shared memory. Instead of clone it here, |
| // use cutils/ashmem.h directly. |
| #include <cutils/ashmem.h> |
| |
| #ifdef __cplusplus |
| extern "C" { |
| #endif |
| |
| inline int ashmem_get_prot_region(int fd) { |
| int ret = ashmem_valid(fd); |
| if (ret < 0) |
| return ret; |
| return TEMP_FAILURE_RETRY(ioctl(fd, ASHMEM_GET_PROT_MASK)); |
| } |
| |
| #ifdef __cplusplus |
| } |
| #endif |