/*
* Copyright (C) 2015 - 2019 Intel Corporation.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* 1. Redistributions of source code must retain the above copyright notice(s),
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice(s),
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER(S) ``AS IS'' AND ANY EXPRESS
* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
* EVENT SHALL THE COPYRIGHT HOLDER(S) BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#pragma once
#ifdef __cplusplus
extern "C" {
#endif
#include <memkind.h>
#include "memkind_default.h"
#include "memkind_arena.h"
#include <pthread.h>
/*
* Header file for the file-backed memory memkind operations.
* More details in memkind_pmem(3) man page.
*
* Functionality defined in this header is considered as EXPERIMENTAL API.
* API standards are described in memkind(3) man page.
*/
#define MEMKIND_PMEM_CHUNK_SIZE (1ull << 21ull) // 2MB
int memkind_pmem_create(struct memkind *kind, struct memkind_ops *ops,
const char *name);
int memkind_pmem_destroy(struct memkind *kind);
void *memkind_pmem_mmap(struct memkind *kind, void *addr, size_t size);
int memkind_pmem_get_mmap_flags(struct memkind *kind, int *flags);
struct memkind_pmem {
int fd;
off_t offset;
size_t max_size;
pthread_mutex_t pmem_lock;
size_t current_size;
};
extern struct memkind_ops MEMKIND_PMEM_OPS;
#ifdef __cplusplus
}
#endif