17ec681f3Smrg/**************************************************************************
27ec681f3Smrg *
37ec681f3Smrg * Copyright 2021 Snap Inc.
47ec681f3Smrg * SPDX-License-Identifier: MIT
57ec681f3Smrg *
67ec681f3Smrg * Permission is hereby granted, free of charge, to any person obtaining a
77ec681f3Smrg * copy of this software and associated documentation files (the
87ec681f3Smrg * "Software"), to deal in the Software without restriction, including
97ec681f3Smrg * without limitation the rights to use, copy, modify, merge, publish,
107ec681f3Smrg * distribute, sublicense, and/or sell copies of the Software, and to
117ec681f3Smrg * permit persons to whom the Software is furnished to do so, subject to
127ec681f3Smrg * the following conditions:
137ec681f3Smrg *
147ec681f3Smrg * The above copyright notice and this permission notice shall be included
157ec681f3Smrg * in all copies or substantial portions of the Software.
167ec681f3Smrg *
177ec681f3Smrg * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
187ec681f3Smrg * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
197ec681f3Smrg * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
207ec681f3Smrg * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
217ec681f3Smrg * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
227ec681f3Smrg * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
237ec681f3Smrg * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
247ec681f3Smrg *
257ec681f3Smrg **************************************************************************/
267ec681f3Smrg
277ec681f3Smrg
287ec681f3Smrg/*
297ec681f3Smrg * Memory fd wrappers.
307ec681f3Smrg */
317ec681f3Smrg
327ec681f3Smrg
337ec681f3Smrg#ifndef _OS_MEMORY_H_
347ec681f3Smrg#error "Must not be included directly. Include os_memory.h instead"
357ec681f3Smrg#endif
367ec681f3Smrg
377ec681f3Smrg/**
387ec681f3Smrg * Imports memory from a file descriptor
397ec681f3Smrg */
407ec681f3Smrgbool
417ec681f3Smrgos_import_memory_fd(int fd, void **ptr, uint64_t *size, char const *driver_id);
427ec681f3Smrg
437ec681f3Smrg/**
447ec681f3Smrg * Return memory on given byte alignment
457ec681f3Smrg */
467ec681f3Smrgvoid *
477ec681f3Smrgos_malloc_aligned_fd(size_t size, size_t alignment, int *fd, char const *fd_name, char const *driver_id);
487ec681f3Smrg
497ec681f3Smrg/**
507ec681f3Smrg * Free memory returned by os_malloc_aligned_fd().
517ec681f3Smrg */
527ec681f3Smrgvoid
537ec681f3Smrgos_free_fd(void *ptr);
54