/*
   Copyright (c) 2003, 2018, Oracle and/or its affiliates. All rights reserved.

   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License, version 2.0,
   as published by the Free Software Foundation.

   This program is also distributed with certain software (including
   but not limited to OpenSSL) that is licensed under separate terms,
   as designated in a particular file or component or in included license
   documentation.  The authors of MySQL hereby grant you an additional
   permission to link the program and your derivative works with the
   separately licensed software that they have included with MySQL.

   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License, version 2.0, for more details.

   You should have received a copy of the GNU General Public License
   along with this program; if not, write to the Free Software
   Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301  USA
*/

#ifndef NDB_MEM_H
#define NDB_MEM_H

#include <ndb_global.h>

#ifdef	__cplusplus
extern "C" {
#endif

/**
 * NdbMem_MemLockAll
 *   Locks virtual memory in main memory
 */
int NdbMem_MemLockAll(int);

/**
 * NdbMem_MemUnlockAll
 *   Unlocks virtual memory
 */
int NdbMem_MemUnlockAll(void);

/**
 * Memlock region
 */
int NdbMem_MemLock(const void * ptr, size_t len);

#ifdef VM_TRACE

/**
 * Experimental functions for manage address space without backing, nor in
 * memory nor on disk.
 */

int NdbMem_ReserveSpace(void** ptr, size_t len);
int NdbMem_PopulateSpace(void* ptr, size_t len);
int NdbMem_FreeSpace(void* ptr, size_t len);

#endif

void* NdbMem_AlignedAlloc(size_t alignment, size_t size);
void NdbMem_AlignedFree(void* p);

#ifdef	__cplusplus
}
#endif

#endif