| /************************************************************************** |
| * |
| * Copyright 2021 Snap Inc. |
| * SPDX-License-Identifier: MIT |
| * |
| * Permission is hereby granted, free of charge, to any person obtaining a |
| * copy of this software and associated documentation files (the |
| * "Software"), to deal in the Software without restriction, including |
| * without limitation the rights to use, copy, modify, merge, publish, |
| * distribute, sublicense, and/or sell copies of the Software, and to |
| * permit persons to whom the Software is furnished to do so, subject to |
| * the following conditions: |
| * |
| * The above copyright notice and this permission notice shall be included |
| * in all copies or substantial portions of the Software. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS |
| * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
| * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. |
| * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY |
| * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, |
| * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE |
| * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
| * |
| **************************************************************************/ |
| |
| |
| /* |
| * Memory fd wrappers. |
| */ |
| |
| |
| #ifndef _OS_MEMORY_H_ |
| #error "Must not be included directly. Include os_memory.h instead" |
| #endif |
| |
| /** |
| * Imports memory from a file descriptor |
| */ |
| bool |
| os_import_memory_fd(int fd, void **ptr, uint64_t *size, char const *driver_id); |
| |
| /** |
| * Return memory on given byte alignment |
| */ |
| void * |
| os_malloc_aligned_fd(size_t size, size_t alignment, int *fd, char const *fd_name, char const *driver_id); |
| |
| /** |
| * Free memory returned by os_malloc_aligned_fd(). |
| */ |
| void |
| os_free_fd(void *ptr); |