allocex.h revision 83de81b6f22c80532a478e79afaee21a0887302a
/* $Id$ */
/** @file
* IPRT - Memory Allocation, Extended Alloc and Free Functions for Ring-3.
*/
/*
* Copyright (C) 2006-2013 Oracle Corporation
*
* This file is part of VirtualBox Open Source Edition (OSE), as
* available from http://www.virtualbox.org. This file is free software;
* General Public License (GPL) as published by the Free Software
* Foundation, in version 2 as it comes in the "COPYING" file of the
* VirtualBox OSE distribution. VirtualBox OSE is distributed in the
* hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
*
* The contents of this file may alternatively be used under the terms
* of the Common Development and Distribution License Version 1.0
* (CDDL) only, as it comes in the "COPYING.CDDL" file of the
* VirtualBox OSE distribution, in which case the provisions of the
* CDDL are applicable instead of those of the GPL.
*
* You may elect to license modified versions of this file under the
* terms and conditions of either the GPL or the CDDL or both.
*/
#ifndef ___r3_allocex_h
#define ___r3_allocex_h
/**
* Heading for extended memory allocations in ring-3.
*/
typedef struct RTMEMHDRR3
{
/** Magic (RTMEMHDR_MAGIC). */
/** Block flags (RTMEMALLOCEX_FLAGS_*). */
/** The actual size of the block, header not included. */
/** The requested allocation size. */
} RTMEMHDRR3;
/** Pointer to a ring-3 extended memory header. */
typedef RTMEMHDRR3 *PRTMEMHDRR3;
/**
* Allocate memory in below 64KB.
*
* @returns IPRT status code.
* @param cbAlloc Number of bytes to allocate (including the
* header if the caller needs one).
* @param fFlags Allocation flags.
* @param ppv Where to return the pointer to the memory.
*/
/**
* Allocate memory in below 4GB.
*
* @returns IPRT status code.
* @param cbAlloc Number of bytes to allocate (including the
* header if the caller needs one).
* @param fFlags Allocation flags.
* @param ppv Where to return the pointer to the memory.
*/
/**
* Frees memory allocated by rtMemAllocEx16BitReach and rtMemAllocEx32BitReach.
*
* @param pv Start of allocation.
* @param cb Allocation size.
* @param fFlags Allocation flags.
*/
#endif