| 1 | /* $Id: mempage-native-os2.cpp 106061 2024-09-16 14:03:52Z vboxsync $ */
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| 2 | /** @file
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| 3 | * IPRT - rtMemPageNative*, OS/2 implementation.
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| 4 | */
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| 5 |
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| 6 | /*
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| 7 | * Copyright (C) 2023-2024 Oracle and/or its affiliates.
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| 8 | *
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| 9 | * This file is part of VirtualBox base platform packages, as
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| 10 | * available from https://www.virtualbox.org.
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| 11 | *
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| 12 | * This program is free software; you can redistribute it and/or
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| 13 | * modify it under the terms of the GNU General Public License
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| 14 | * as published by the Free Software Foundation, in version 3 of the
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| 15 | * License.
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| 16 | *
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| 17 | * This program is distributed in the hope that it will be useful, but
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| 18 | * WITHOUT ANY WARRANTY; without even the implied warranty of
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| 19 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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| 20 | * General Public License for more details.
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| 21 | *
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| 22 | * You should have received a copy of the GNU General Public License
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| 23 | * along with this program; if not, see <https://www.gnu.org/licenses>.
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| 24 | *
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| 25 | * The contents of this file may alternatively be used under the terms
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| 26 | * of the Common Development and Distribution License Version 1.0
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| 27 | * (CDDL), a copy of it is provided in the "COPYING.CDDL" file included
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| 28 | * in the VirtualBox distribution, in which case the provisions of the
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| 29 | * CDDL are applicable instead of those of the GPL.
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| 30 | *
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| 31 | * You may elect to license modified versions of this file under the
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| 32 | * terms and conditions of either the GPL or the CDDL or both.
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| 33 | *
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| 34 | * SPDX-License-Identifier: GPL-3.0-only OR CDDL-1.0
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| 35 | */
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| 36 |
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| 37 |
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| 38 | /*********************************************************************************************************************************
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| 39 | * Header Files *
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| 40 | *********************************************************************************************************************************/
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| 41 | #define INCL_BASE
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| 42 | #define INCL_ERRORS
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| 43 | #include <os2.h>
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| 44 |
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| 45 | #include "internal/iprt.h"
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| 46 | #include <iprt/mem.h>
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| 47 |
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| 48 | #include <iprt/assert.h>
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| 49 | #include <iprt/errcore.h>
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| 50 | #include <iprt/param.h>
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| 51 | #include "internal/mem.h"
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| 52 |
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| 53 |
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| 54 | DECLHIDDEN(int) rtMemPageNativeAlloc(size_t cb, uint32_t fFlags, void **ppvRet)
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| 55 | {
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| 56 | ULONG fAlloc = OBJ_ANY | PAG_COMMIT | PAG_READ | PAG_WRITE;
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| 57 | if (fFlags & RTMEMPAGEALLOC_F_EXECUTABLE)
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| 58 | fAlloc |= PAG_EXECUTE;
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| 59 | APIRET rc = DosAllocMem(ppvRet, cb, fAlloc);
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| 60 | if (rc == NO_ERROR)
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| 61 | return VINF_SUCCESS;
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| 62 | return RTErrConvertFromOS2(rc);
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| 63 | }
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| 64 |
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| 65 |
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| 66 | DECLHIDDEN(int) rtMemPageNativeFree(void *pv, size_t cb)
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| 67 | {
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| 68 | APIRET rc = DosFreeMem(pv);
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| 69 | AssertMsgReturn(rc == NO_ERROR, ("rc=%d pv=%p cb=%#zx\n", rc, pv, cb), RTErrConvertFromOS2(rc));
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| 70 | RT_NOREF(cb);
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| 71 | return VINF_SUCCESS;
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| 72 | }
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| 73 |
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| 74 |
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| 75 | DECLHIDDEN(uint32_t) rtMemPageNativeApplyFlags(void *pv, size_t cb, uint32_t fFlags)
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| 76 | {
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| 77 | uint32_t fRet = 0;
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| 78 | RT_NOREF(pv, cb, fFlags);
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| 79 | return fRet;
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| 80 | }
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| 81 |
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| 82 |
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| 83 | DECLHIDDEN(void) rtMemPageNativeRevertFlags(void *pv, size_t cb, uint32_t fFlags)
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| 84 | {
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| 85 | RT_NOREF(pv, cb, fFlags);
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| 86 | }
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| 87 |
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