| 1 | /* $Id: RTSystemShutdown-linux.cpp 76553 2019-01-01 01:45:53Z vboxsync $ */
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| 2 | /** @file
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| 3 | * IPRT - RTSystemShutdown, linux implementation.
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| 4 | */
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| 5 |
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| 6 | /*
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| 7 | * Copyright (C) 2012-2019 Oracle Corporation
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| 8 | *
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| 9 | * This file is part of VirtualBox Open Source Edition (OSE), as
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| 10 | * available from http://www.virtualbox.org. This file is free software;
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| 11 | * you can redistribute it and/or modify it under the terms of the GNU
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| 12 | * General Public License (GPL) as published by the Free Software
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| 13 | * Foundation, in version 2 as it comes in the "COPYING" file of the
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| 14 | * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
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| 15 | * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
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| 16 | *
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| 17 | * The contents of this file may alternatively be used under the terms
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| 18 | * of the Common Development and Distribution License Version 1.0
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| 19 | * (CDDL) only, as it comes in the "COPYING.CDDL" file of the
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| 20 | * VirtualBox OSE distribution, in which case the provisions of the
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| 21 | * CDDL are applicable instead of those of the GPL.
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| 22 | *
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| 23 | * You may elect to license modified versions of this file under the
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| 24 | * terms and conditions of either the GPL or the CDDL or both.
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| 25 | */
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| 26 |
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| 27 |
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| 28 | /*********************************************************************************************************************************
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| 29 | * Header Files *
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| 30 | *********************************************************************************************************************************/
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| 31 | #include <iprt/system.h>
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| 32 | #include "internal/iprt.h"
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| 33 |
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| 34 | #include <iprt/assert.h>
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| 35 | #include <iprt/env.h>
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| 36 | #include <iprt/err.h>
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| 37 | #include <iprt/process.h>
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| 38 | #include <iprt/string.h>
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| 39 |
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| 40 |
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| 41 | RTDECL(int) RTSystemShutdown(RTMSINTERVAL cMsDelay, uint32_t fFlags, const char *pszLogMsg)
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| 42 | {
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| 43 | AssertPtrReturn(pszLogMsg, VERR_INVALID_POINTER);
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| 44 | AssertReturn(!(fFlags & ~RTSYSTEM_SHUTDOWN_VALID_MASK), VERR_INVALID_PARAMETER);
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| 45 |
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| 46 | /*
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| 47 | * Assemble the argument vector.
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| 48 | */
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| 49 | int iArg = 0;
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| 50 | const char *apszArgs[6];
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| 51 |
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| 52 | RT_BZERO(apszArgs, sizeof(apszArgs));
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| 53 |
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| 54 | apszArgs[iArg++] = "/sbin/shutdown";
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| 55 | switch (fFlags & RTSYSTEM_SHUTDOWN_ACTION_MASK)
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| 56 | {
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| 57 | case RTSYSTEM_SHUTDOWN_HALT:
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| 58 | apszArgs[iArg++] = "-h";
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| 59 | apszArgs[iArg++] = "-H";
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| 60 | break;
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| 61 | case RTSYSTEM_SHUTDOWN_REBOOT:
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| 62 | apszArgs[iArg++] = "-r";
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| 63 | break;
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| 64 | case RTSYSTEM_SHUTDOWN_POWER_OFF:
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| 65 | case RTSYSTEM_SHUTDOWN_POWER_OFF_HALT:
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| 66 | apszArgs[iArg++] = "-h";
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| 67 | apszArgs[iArg++] = "-P";
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| 68 | break;
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| 69 | }
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| 70 |
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| 71 | char szWhen[80];
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| 72 | if (cMsDelay < 500)
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| 73 | strcpy(szWhen, "now");
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| 74 | else
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| 75 | RTStrPrintf(szWhen, sizeof(szWhen), "%u", (unsigned)((cMsDelay + 499) / 1000));
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| 76 | apszArgs[iArg++] = szWhen;
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| 77 |
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| 78 | apszArgs[iArg++] = pszLogMsg;
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| 79 |
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| 80 |
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| 81 | /*
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| 82 | * Start the shutdown process and wait for it to complete.
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| 83 | */
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| 84 | RTPROCESS hProc;
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| 85 | int rc = RTProcCreate(apszArgs[0], apszArgs, RTENV_DEFAULT, 0 /*fFlags*/, &hProc);
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| 86 | if (RT_FAILURE(rc))
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| 87 | return rc;
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| 88 |
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| 89 | RTPROCSTATUS ProcStatus;
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| 90 | rc = RTProcWait(hProc, RTPROCWAIT_FLAGS_BLOCK, &ProcStatus);
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| 91 | if (RT_SUCCESS(rc))
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| 92 | {
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| 93 | if ( ProcStatus.enmReason != RTPROCEXITREASON_NORMAL
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| 94 | || ProcStatus.iStatus != 0)
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| 95 | rc = VERR_SYS_SHUTDOWN_FAILED;
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| 96 | }
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| 97 |
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| 98 | return rc;
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| 99 | }
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| 100 | RT_EXPORT_SYMBOL(RTSystemShutdown);
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| 101 |
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