/*
 * Copyright 2002-2019 Intel Corporation.
 * 
 * This software is provided to you as Sample Source Code as defined in the accompanying
 * End User License Agreement for the Intel(R) Software Development Products ("Agreement")
 * section 1.L.
 * 
 * This software and the related documents are provided as is, with no express or implied
 * warranties, other than those that are expressly stated in the License.
 */


/*! @file
 *  Generic memory management API. 
 */
#ifndef SYS_MEMORY_H
#define SYS_MEMORY_H

#include "stddef.h"

#ifdef __cplusplus
extern "C" {
#endif

typedef int BOOL;
#ifndef TRUE
#define TRUE 1
#endif
#ifndef FALSE
#define FALSE 0
#endif

/*!
 *  Memory protection attributes. 
 */
typedef enum 
{
    MEM_INACESSIBLE,
    MEM_READ_EXEC,
    MEM_READ_WRITE_EXEC
} MEM_PROTECTION;


/*!
 *  Return page size in bytes. 
 */
size_t GetPageSize();

/*!
 *  Allocate memory pages with the specified protection attributes. 
 */
void * MemAlloc(size_t size, MEM_PROTECTION protect);

/*!
 *  Free memory pages at the specified address. 
 */
void MemFree(void * addr, size_t size);

/*!
 *  Set specified protection for memory pages at the specified address. 
 */
BOOL MemProtect(void * addr, size_t size, MEM_PROTECTION protect);

#ifdef __cplusplus
}
#endif

#endif //SYS_MEMORY_H
/* ===================================================================== */
/* eof */
/* ===================================================================== */