1 | /* $Id: RTSystemShutdown-linux.cpp 98103 2023-01-17 14:15:46Z 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) 2012-2023 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 | #include <iprt/system.h>
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42 | #include "internal/iprt.h"
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43 |
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44 | #include <iprt/assert.h>
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45 | #include <iprt/env.h>
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46 | #include <iprt/err.h>
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47 | #include <iprt/process.h>
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48 | #include <iprt/string.h>
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49 |
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50 |
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51 | RTDECL(int) RTSystemShutdown(RTMSINTERVAL cMsDelay, uint32_t fFlags, const char *pszLogMsg)
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52 | {
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53 | AssertPtrReturn(pszLogMsg, VERR_INVALID_POINTER);
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54 | AssertReturn(!(fFlags & ~RTSYSTEM_SHUTDOWN_VALID_MASK), VERR_INVALID_PARAMETER);
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55 |
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56 | /*
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57 | * Assemble the argument vector.
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58 | */
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59 | int iArg = 0;
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60 | const char *apszArgs[6];
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61 |
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62 | RT_BZERO(apszArgs, sizeof(apszArgs));
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63 |
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64 | apszArgs[iArg++] = "/sbin/shutdown";
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65 | switch (fFlags & RTSYSTEM_SHUTDOWN_ACTION_MASK)
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66 | {
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67 | case RTSYSTEM_SHUTDOWN_HALT:
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68 | apszArgs[iArg++] = "-h";
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69 | apszArgs[iArg++] = "-H";
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70 | break;
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71 | case RTSYSTEM_SHUTDOWN_REBOOT:
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72 | apszArgs[iArg++] = "-r";
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73 | break;
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74 | case RTSYSTEM_SHUTDOWN_POWER_OFF:
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75 | case RTSYSTEM_SHUTDOWN_POWER_OFF_HALT:
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76 | apszArgs[iArg++] = "-h";
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77 | apszArgs[iArg++] = "-P";
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78 | break;
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79 | }
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80 |
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81 | char szWhen[80];
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82 | if (cMsDelay < 500)
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83 | strcpy(szWhen, "now");
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84 | else
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85 | RTStrPrintf(szWhen, sizeof(szWhen), "%u", (unsigned)((cMsDelay + 499) / 1000));
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86 | apszArgs[iArg++] = szWhen;
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87 |
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88 | apszArgs[iArg++] = pszLogMsg;
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89 |
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90 |
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91 | /*
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92 | * Start the shutdown process and wait for it to complete.
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93 | */
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94 | RTPROCESS hProc;
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95 | int rc = RTProcCreate(apszArgs[0], apszArgs, RTENV_DEFAULT, 0 /*fFlags*/, &hProc);
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96 | if (RT_FAILURE(rc))
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97 | return rc;
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98 |
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99 | RTPROCSTATUS ProcStatus;
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100 | rc = RTProcWait(hProc, RTPROCWAIT_FLAGS_BLOCK, &ProcStatus);
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101 | if (RT_SUCCESS(rc))
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102 | {
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103 | if ( ProcStatus.enmReason != RTPROCEXITREASON_NORMAL
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104 | || ProcStatus.iStatus != 0)
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105 | rc = VERR_SYS_SHUTDOWN_FAILED;
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106 | }
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107 |
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108 | return rc;
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109 | }
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110 | RT_EXPORT_SYMBOL(RTSystemShutdown);
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111 |
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