| 1 | /* $Id: DBGFLog.cpp 76553 2019-01-01 01:45:53Z vboxsync $ */
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| 2 | /** @file
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| 3 | * DBGF - Debugger Facility, Log Manager.
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| 4 | */
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| 5 |
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| 6 | /*
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| 7 | * Copyright (C) 2006-2019 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 |
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| 18 |
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| 19 | /*********************************************************************************************************************************
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| 20 | * Header Files *
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| 21 | *********************************************************************************************************************************/
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| 22 | #include <VBox/vmm/vmapi.h>
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| 23 | #include <VBox/vmm/vmm.h>
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| 24 | #include <VBox/vmm/dbgf.h>
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| 25 | #include <VBox/vmm/uvm.h>
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| 26 | #include <VBox/vmm/vm.h>
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| 27 | #include <VBox/log.h>
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| 28 | #include <VBox/err.h>
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| 29 | #include <iprt/assert.h>
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| 30 | #include <iprt/param.h>
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| 31 | #include <iprt/string.h>
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| 32 |
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| 33 |
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| 34 | /**
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| 35 | * Checkes for logger prefixes and selects the right logger.
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| 36 | *
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| 37 | * @returns Target logger.
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| 38 | * @param ppsz Pointer to the string pointer.
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| 39 | */
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| 40 | static PRTLOGGER dbgfR3LogResolvedLogger(const char **ppsz)
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| 41 | {
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| 42 | PRTLOGGER pLogger;
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| 43 | const char *psz = *ppsz;
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| 44 | if (!strncmp(psz, RT_STR_TUPLE("release:")))
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| 45 | {
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| 46 | *ppsz += sizeof("release:") - 1;
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| 47 | pLogger = RTLogRelGetDefaultInstance();
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| 48 | }
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| 49 | else
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| 50 | {
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| 51 | if (!strncmp(psz, RT_STR_TUPLE("debug:")))
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| 52 | *ppsz += sizeof("debug:") - 1;
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| 53 | pLogger = RTLogDefaultInstance();
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| 54 | }
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| 55 | return pLogger;
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| 56 | }
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| 57 |
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| 58 |
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| 59 | /**
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| 60 | * EMT worker for DBGFR3LogModifyGroups.
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| 61 | *
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| 62 | * @returns VBox status code.
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| 63 | * @param pUVM The user mode VM handle.
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| 64 | * @param pszGroupSettings The group settings string. (VBOX_LOG)
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| 65 | */
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| 66 | static DECLCALLBACK(int) dbgfR3LogModifyGroups(PUVM pUVM, const char *pszGroupSettings)
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| 67 | {
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| 68 | PRTLOGGER pLogger = dbgfR3LogResolvedLogger(&pszGroupSettings);
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| 69 | if (!pLogger)
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| 70 | return VINF_SUCCESS;
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| 71 |
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| 72 | int rc = RTLogGroupSettings(pLogger, pszGroupSettings);
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| 73 | if (RT_SUCCESS(rc) && pUVM->pVM)
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| 74 | {
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| 75 | VM_ASSERT_VALID_EXT_RETURN(pUVM->pVM, VERR_INVALID_VM_HANDLE);
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| 76 | rc = VMMR3UpdateLoggers(pUVM->pVM);
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| 77 | }
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| 78 | return rc;
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| 79 | }
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| 80 |
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| 81 |
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| 82 | /**
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| 83 | * Changes the logger group settings.
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| 84 | *
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| 85 | * @returns VBox status code.
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| 86 | * @param pUVM The user mode VM handle.
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| 87 | * @param pszGroupSettings The group settings string. (VBOX_LOG)
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| 88 | * By prefixing the string with \"release:\" the
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| 89 | * changes will be applied to the release log
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| 90 | * instead of the debug log. The prefix \"debug:\"
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| 91 | * is also recognized.
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| 92 | */
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| 93 | VMMR3DECL(int) DBGFR3LogModifyGroups(PUVM pUVM, const char *pszGroupSettings)
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| 94 | {
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| 95 | UVM_ASSERT_VALID_EXT_RETURN(pUVM, VERR_INVALID_VM_HANDLE);
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| 96 | AssertPtrReturn(pszGroupSettings, VERR_INVALID_POINTER);
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| 97 |
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| 98 | return VMR3ReqPriorityCallWaitU(pUVM, VMCPUID_ANY, (PFNRT)dbgfR3LogModifyGroups, 2, pUVM, pszGroupSettings);
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| 99 | }
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| 100 |
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| 101 |
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| 102 | /**
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| 103 | * EMT worker for DBGFR3LogModifyFlags.
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| 104 | *
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| 105 | * @returns VBox status code.
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| 106 | * @param pUVM The user mode VM handle.
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| 107 | * @param pszFlagSettings The group settings string. (VBOX_LOG_FLAGS)
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| 108 | */
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| 109 | static DECLCALLBACK(int) dbgfR3LogModifyFlags(PUVM pUVM, const char *pszFlagSettings)
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| 110 | {
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| 111 | PRTLOGGER pLogger = dbgfR3LogResolvedLogger(&pszFlagSettings);
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| 112 | if (!pLogger)
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| 113 | return VINF_SUCCESS;
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| 114 |
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| 115 | int rc = RTLogFlags(pLogger, pszFlagSettings);
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| 116 | if (RT_SUCCESS(rc) && pUVM->pVM)
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| 117 | {
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| 118 | VM_ASSERT_VALID_EXT_RETURN(pUVM->pVM, VERR_INVALID_VM_HANDLE);
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| 119 | rc = VMMR3UpdateLoggers(pUVM->pVM);
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| 120 | }
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| 121 | return rc;
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| 122 | }
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| 123 |
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| 124 |
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| 125 | /**
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| 126 | * Changes the logger flag settings.
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| 127 | *
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| 128 | * @returns VBox status code.
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| 129 | * @param pUVM The user mode VM handle.
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| 130 | * @param pszFlagSettings The group settings string. (VBOX_LOG_FLAGS)
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| 131 | * By prefixing the string with \"release:\" the
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| 132 | * changes will be applied to the release log
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| 133 | * instead of the debug log. The prefix \"debug:\"
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| 134 | * is also recognized.
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| 135 | */
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| 136 | VMMR3DECL(int) DBGFR3LogModifyFlags(PUVM pUVM, const char *pszFlagSettings)
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| 137 | {
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| 138 | UVM_ASSERT_VALID_EXT_RETURN(pUVM, VERR_INVALID_VM_HANDLE);
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| 139 | AssertPtrReturn(pszFlagSettings, VERR_INVALID_POINTER);
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| 140 |
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| 141 | return VMR3ReqPriorityCallWaitU(pUVM, VMCPUID_ANY, (PFNRT)dbgfR3LogModifyFlags, 2, pUVM, pszFlagSettings);
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| 142 | }
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| 143 |
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| 144 |
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| 145 | /**
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| 146 | * EMT worker for DBGFR3LogModifyFlags.
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| 147 | *
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| 148 | * @returns VBox status code.
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| 149 | * @param pUVM The user mode VM handle.
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| 150 | * @param pszDestSettings The destination settings string. (VBOX_LOG_DEST)
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| 151 | */
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| 152 | static DECLCALLBACK(int) dbgfR3LogModifyDestinations(PUVM pUVM, const char *pszDestSettings)
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| 153 | {
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| 154 | PRTLOGGER pLogger = dbgfR3LogResolvedLogger(&pszDestSettings);
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| 155 | if (!pLogger)
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| 156 | return VINF_SUCCESS;
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| 157 |
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| 158 | int rc = RTLogDestinations(NULL, pszDestSettings);
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| 159 | if (RT_SUCCESS(rc) && pUVM->pVM)
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| 160 | {
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| 161 | VM_ASSERT_VALID_EXT_RETURN(pUVM->pVM, VERR_INVALID_VM_HANDLE);
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| 162 | rc = VMMR3UpdateLoggers(pUVM->pVM);
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| 163 | }
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| 164 | return rc;
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| 165 | }
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| 166 |
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| 167 |
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| 168 | /**
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| 169 | * Changes the logger destination settings.
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| 170 | *
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| 171 | * @returns VBox status code.
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| 172 | * @param pUVM The user mode VM handle.
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| 173 | * @param pszDestSettings The destination settings string. (VBOX_LOG_DEST)
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| 174 | * By prefixing the string with \"release:\" the
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| 175 | * changes will be applied to the release log
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| 176 | * instead of the debug log. The prefix \"debug:\"
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| 177 | * is also recognized.
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| 178 | */
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| 179 | VMMR3DECL(int) DBGFR3LogModifyDestinations(PUVM pUVM, const char *pszDestSettings)
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| 180 | {
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| 181 | UVM_ASSERT_VALID_EXT_RETURN(pUVM, VERR_INVALID_VM_HANDLE);
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| 182 | AssertPtrReturn(pszDestSettings, VERR_INVALID_POINTER);
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| 183 |
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| 184 | return VMR3ReqPriorityCallWaitU(pUVM, VMCPUID_ANY, (PFNRT)dbgfR3LogModifyDestinations, 2, pUVM, pszDestSettings);
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| 185 | }
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| 186 |
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