From f215e02bf85f68d3a6106c2a1f4f7f063f819064 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Thu, 11 Apr 2024 10:17:27 +0200 Subject: Adding upstream version 7.0.14-dfsg. Signed-off-by: Daniel Baumann --- src/VBox/Runtime/r3/allocex.h | 96 +++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 96 insertions(+) create mode 100644 src/VBox/Runtime/r3/allocex.h (limited to 'src/VBox/Runtime/r3/allocex.h') diff --git a/src/VBox/Runtime/r3/allocex.h b/src/VBox/Runtime/r3/allocex.h new file mode 100644 index 00000000..91ab656d --- /dev/null +++ b/src/VBox/Runtime/r3/allocex.h @@ -0,0 +1,96 @@ +/* $Id: allocex.h $ */ +/** @file + * IPRT - Memory Allocation, Extended Alloc and Free Functions for Ring-3. + */ + +/* + * Copyright (C) 2006-2023 Oracle and/or its affiliates. + * + * This file is part of VirtualBox base platform packages, as + * available from https://www.virtualbox.org. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation, in version 3 of the + * License. + * + * 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 for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, see . + * + * The contents of this file may alternatively be used under the terms + * of the Common Development and Distribution License Version 1.0 + * (CDDL), a copy of it is provided in the "COPYING.CDDL" file included + * in the VirtualBox 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. + * + * SPDX-License-Identifier: GPL-3.0-only OR CDDL-1.0 + */ + +#ifndef IPRT_INCLUDED_SRC_r3_allocex_h +#define IPRT_INCLUDED_SRC_r3_allocex_h +#ifndef RT_WITHOUT_PRAGMA_ONCE +# pragma once +#endif + +#include + +/** + * Heading for extended memory allocations in ring-3. + */ +typedef struct RTMEMHDRR3 +{ + /** Magic (RTMEMHDR_MAGIC). */ + uint32_t u32Magic; + /** Block flags (RTMEMALLOCEX_FLAGS_*). */ + uint32_t fFlags; + /** The actual size of the block, header not included. */ + uint32_t cb; + /** The requested allocation size. */ + uint32_t cbReq; +} 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. + */ +DECLHIDDEN(int) rtMemAllocEx16BitReach(size_t cbAlloc, uint32_t fFlags, void **ppv); + +/** + * 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. + */ +DECLHIDDEN(int) rtMemAllocEx32BitReach(size_t cbAlloc, uint32_t fFlags, void **ppv); + + +/** + * Frees memory allocated by rtMemAllocEx16BitReach and rtMemAllocEx32BitReach. + * + * @param pv Start of allocation. + * @param cb Allocation size. + * @param fFlags Allocation flags. + */ +DECLHIDDEN(void) rtMemFreeExYyBitReach(void *pv, size_t cb, uint32_t fFlags); + +#endif /* !IPRT_INCLUDED_SRC_r3_allocex_h */ + -- cgit v1.2.3