| 1 | /* $Id: nocrt-startup-exe-win.cpp 106061 2024-09-16 14:03:52Z vboxsync $ */
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| 2 | /** @file
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| 3 | * IPRT - No-CRT - Windows EXE startup code.
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| 4 | *
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| 5 | * @note Does not run static constructors and destructors!
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| 6 | */
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| 7 |
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| 8 | /*
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| 9 | * Copyright (C) 2006-2024 Oracle and/or its affiliates.
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| 10 | *
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| 11 | * This file is part of VirtualBox base platform packages, as
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| 12 | * available from https://www.virtualbox.org.
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| 13 | *
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| 14 | * This program is free software; you can redistribute it and/or
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| 15 | * modify it under the terms of the GNU General Public License
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| 16 | * as published by the Free Software Foundation, in version 3 of the
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| 17 | * License.
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| 18 | *
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| 19 | * This program is distributed in the hope that it will be useful, but
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| 20 | * WITHOUT ANY WARRANTY; without even the implied warranty of
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| 21 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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| 22 | * General Public License for more details.
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| 23 | *
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| 24 | * You should have received a copy of the GNU General Public License
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| 25 | * along with this program; if not, see <https://www.gnu.org/licenses>.
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| 26 | *
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| 27 | * The contents of this file may alternatively be used under the terms
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| 28 | * of the Common Development and Distribution License Version 1.0
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| 29 | * (CDDL), a copy of it is provided in the "COPYING.CDDL" file included
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| 30 | * in the VirtualBox distribution, in which case the provisions of the
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| 31 | * CDDL are applicable instead of those of the GPL.
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| 32 | *
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| 33 | * You may elect to license modified versions of this file under the
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| 34 | * terms and conditions of either the GPL or the CDDL or both.
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| 35 | *
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| 36 | * SPDX-License-Identifier: GPL-3.0-only OR CDDL-1.0
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| 37 | */
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| 38 |
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| 39 |
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| 40 | /*********************************************************************************************************************************
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| 41 | * Header Files *
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| 42 | *********************************************************************************************************************************/
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| 43 | #include "internal/nocrt.h"
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| 44 | #include "internal/process.h"
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| 45 |
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| 46 | #include <iprt/nt/nt-and-windows.h>
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| 47 | #include <iprt/getopt.h>
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| 48 | #include <iprt/message.h>
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| 49 | #include <iprt/path.h>
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| 50 | #include <iprt/string.h>
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| 51 | #include <iprt/utf16.h>
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| 52 |
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| 53 | #include "internal/compiler-vcc.h"
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| 54 |
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| 55 |
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| 56 | /*********************************************************************************************************************************
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| 57 | * External Symbols *
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| 58 | *********************************************************************************************************************************/
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| 59 | extern int main(int argc, char **argv, char **envp); /* in program */
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| 60 | #ifndef IPRT_NO_CRT
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| 61 | extern DECLHIDDEN(void) InitStdHandles(PRTL_USER_PROCESS_PARAMETERS pParams); /* nocrt-streams-win.cpp */ /** @todo put in header */
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| 62 | #endif
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| 63 |
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| 64 |
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| 65 | static int rtTerminateProcess(int32_t rcExit, bool fDoAtExit)
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| 66 | {
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| 67 | #ifdef IPRT_NO_CRT
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| 68 | /*
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| 69 | * Run atexit callback in reverse order.
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| 70 | */
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| 71 | if (fDoAtExit)
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| 72 | {
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| 73 | rtVccTermRunAtExit();
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| 74 | rtVccInitializersRunTerm();
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| 75 | }
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| 76 | #else
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| 77 | RT_NOREF(fDoAtExit);
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| 78 | #endif
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| 79 |
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| 80 | /*
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| 81 | * Terminate.
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| 82 | */
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| 83 | for (;;)
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| 84 | #if 1 /* Using NtTerminateProcess triggers heuristics in some annoying AV scanner. */
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| 85 | TerminateProcess(NtCurrentProcess(), rcExit);
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| 86 | #else
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| 87 | NtTerminateProcess(NtCurrentProcess(), rcExit);
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| 88 | #endif
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| 89 | }
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| 90 |
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| 91 |
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| 92 | DECLASM(void) CustomMainEntrypoint(void)
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| 93 | {
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| 94 | /* Looks like might have gotten the PPEB as parameter here before NT4,
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| 95 | however, there the EXE entry function clearly takes no parameters.
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| 96 | So, we have to retrieve the PEB our selves here. */
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| 97 | PPEB_COMMON const pPeb = RTNtCurrentPeb();
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| 98 |
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| 99 | /*
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| 100 | * Initialize stuff.
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| 101 | */
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| 102 | #ifdef IPRT_NO_CRT
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| 103 | # ifdef RT_ARCH_X86
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| 104 | rtVccWinInitBssOnNt3(pPeb->ImageBaseAddress);
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| 105 | # endif
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| 106 | rtVccInitSecurityCookie();
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| 107 | #else
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| 108 | InitStdHandles(pPeb->ProcessParameters);
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| 109 | #endif
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| 110 | rtVccWinInitProcExecPath();
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| 111 |
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| 112 | RTEXITCODE rcExit;
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| 113 | #ifdef IPRT_NO_CRT
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| 114 | AssertCompile(sizeof(rcExit) == sizeof(int));
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| 115 | rcExit = (RTEXITCODE)rtVccInitializersRunInit();
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| 116 | if (rcExit == RTEXITCODE_SUCCESS)
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| 117 | #endif
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| 118 | {
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| 119 | /*
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| 120 | * Get and convert the command line to argc/argv format.
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| 121 | */
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| 122 | rcExit = RTEXITCODE_INIT;
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| 123 | UNICODE_STRING const *pCmdLine = pPeb->ProcessParameters ? &pPeb->ProcessParameters->CommandLine : NULL;
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| 124 | if (pCmdLine)
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| 125 | {
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| 126 | char *pszCmdLine = NULL;
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| 127 | int rc = RTUtf16ToUtf8Ex(pCmdLine->Buffer, pCmdLine->Length / sizeof(WCHAR), &pszCmdLine, 0, NULL);
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| 128 | if (RT_SUCCESS(rc))
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| 129 | {
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| 130 | char **papszArgv;
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| 131 | int cArgs = 0;
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| 132 | rc = RTGetOptArgvFromString(&papszArgv, &cArgs, pszCmdLine,
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| 133 | RTGETOPTARGV_CNV_MODIFY_INPUT | RTGETOPTARGV_CNV_QUOTE_MS_CRT, NULL);
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| 134 | if (RT_SUCCESS(rc))
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| 135 | {
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| 136 | /*
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| 137 | * Call the main function.
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| 138 | */
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| 139 | AssertCompile(sizeof(rcExit) == sizeof(int));
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| 140 | rcExit = (RTEXITCODE)main(cArgs, papszArgv, NULL /*envp*/);
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| 141 | }
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| 142 | else
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| 143 | #ifdef IPRT_NOCRT_WITHOUT_FATAL_WRITE
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| 144 | RTMsgError("Error parsing command line: %Rrc\n", rc);
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| 145 | #else
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| 146 | rtNoCrtFatalMsgWithRc(RT_STR_TUPLE("Error parsing command line: "), rc);
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| 147 | #endif
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| 148 | }
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| 149 | else
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| 150 | #ifdef IPRT_NOCRT_WITHOUT_FATAL_WRITE
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| 151 | RTMsgError("Failed to convert command line to UTF-8: %Rrc\n", rc);
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| 152 | #else
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| 153 | rtNoCrtFatalMsgWithRc(RT_STR_TUPLE("Failed to convert command line to UTF-8: "), rc);
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| 154 | #endif
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| 155 | }
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| 156 | else
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| 157 | #ifdef IPRT_NOCRT_WITHOUT_FATAL_WRITE
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| 158 | RTMsgError("No command line\n");
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| 159 | #else
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| 160 | rtNoCrtFatalMsg(RT_STR_TUPLE("No command line\r\n"));
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| 161 | #endif
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| 162 | rtTerminateProcess(rcExit, true /*fDoAtExit*/);
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| 163 | }
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| 164 | #ifdef IPRT_NO_CRT
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| 165 | else
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| 166 | {
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| 167 | # ifdef IPRT_NOCRT_WITHOUT_FATAL_WRITE
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| 168 | RTMsgError("A C static initializor failed (%d)\n", rcExit);
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| 169 | # else
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| 170 | rtNoCrtFatalWriteBegin(RT_STR_TUPLE("A C static initializor failed ("));
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| 171 | rtNoCrtFatalWriteWinRc(rcExit);
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| 172 | rtNoCrtFatalWriteEnd(RT_STR_TUPLE("\r\n"));
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| 173 | # endif
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| 174 | rtTerminateProcess(rcExit, false /*fDoAtExit*/);
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| 175 | }
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| 176 | #endif
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| 177 | }
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| 178 |
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