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C++ AssertRC函数代码示例

原作者: [db:作者] 来自: [db:来源] 收藏 邀请

本文整理汇总了C++中AssertRC函数的典型用法代码示例。如果您正苦于以下问题:C++ AssertRC函数的具体用法?C++ AssertRC怎么用?C++ AssertRC使用的例子?那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。



在下文中一共展示了AssertRC函数的20个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于我们的系统推荐出更棒的C++代码示例。

示例1: DECLCALLBACK

/**
 * A fallback method in case something goes wrong with the normal
 * I/O manager.
 */
DECLCALLBACK(int) pdmacFileAioMgrFailsafe(RTTHREAD hThreadSelf, void *pvUser)
{
    int             rc      = VINF_SUCCESS;
    PPDMACEPFILEMGR pAioMgr = (PPDMACEPFILEMGR)pvUser;
    NOREF(hThreadSelf);

    while (   (pAioMgr->enmState == PDMACEPFILEMGRSTATE_RUNNING)
           || (pAioMgr->enmState == PDMACEPFILEMGRSTATE_SUSPENDING))
    {
        ASMAtomicWriteBool(&pAioMgr->fWaitingEventSem, true);
        if (!ASMAtomicReadBool(&pAioMgr->fWokenUp))
            rc = RTSemEventWait(pAioMgr->EventSem, pAioMgr->msBwLimitExpired);
        ASMAtomicWriteBool(&pAioMgr->fWaitingEventSem, false);
        Assert(RT_SUCCESS(rc) || rc == VERR_TIMEOUT);

        LogFlow(("Got woken up\n"));
        ASMAtomicWriteBool(&pAioMgr->fWokenUp, false);

        /* Process endpoint events first. */
        PPDMASYNCCOMPLETIONENDPOINTFILE pEndpoint = pAioMgr->pEndpointsHead;
        while (pEndpoint)
        {
            pAioMgr->msBwLimitExpired = RT_INDEFINITE_WAIT;
            rc = pdmacFileAioMgrFailsafeProcessEndpoint(pAioMgr, pEndpoint);
            AssertRC(rc);
            pEndpoint = pEndpoint->AioMgr.pEndpointNext;
        }

        /* Now check for an external blocking event. */
        if (pAioMgr->fBlockingEventPending)
        {
            switch (pAioMgr->enmBlockingEvent)
            {
                case PDMACEPFILEAIOMGRBLOCKINGEVENT_ADD_ENDPOINT:
                {
                    PPDMASYNCCOMPLETIONENDPOINTFILE pEndpointNew = pAioMgr->BlockingEventData.AddEndpoint.pEndpoint;
                    AssertMsg(VALID_PTR(pEndpointNew), ("Adding endpoint event without a endpoint to add\n"));

                    pEndpointNew->enmState = PDMASYNCCOMPLETIONENDPOINTFILESTATE_ACTIVE;

                    pEndpointNew->AioMgr.pEndpointNext = pAioMgr->pEndpointsHead;
                    pEndpointNew->AioMgr.pEndpointPrev = NULL;
                    if (pAioMgr->pEndpointsHead)
                        pAioMgr->pEndpointsHead->AioMgr.pEndpointPrev = pEndpointNew;
                    pAioMgr->pEndpointsHead = pEndpointNew;

                    pAioMgr->cEndpoints++;

                    /*
                     * Process the task list the first time. There might be pending requests
                     * if the endpoint was migrated from another endpoint.
                     */
                    rc = pdmacFileAioMgrFailsafeProcessEndpoint(pAioMgr, pEndpointNew);
                    AssertRC(rc);
                    break;
                }
                case PDMACEPFILEAIOMGRBLOCKINGEVENT_REMOVE_ENDPOINT:
                {
                    PPDMASYNCCOMPLETIONENDPOINTFILE pEndpointRemove = pAioMgr->BlockingEventData.RemoveEndpoint.pEndpoint;
                    AssertMsg(VALID_PTR(pEndpointRemove), ("Removing endpoint event without a endpoint to remove\n"));

                    pEndpointRemove->enmState = PDMASYNCCOMPLETIONENDPOINTFILESTATE_REMOVING;

                    PPDMASYNCCOMPLETIONENDPOINTFILE pPrev = pEndpointRemove->AioMgr.pEndpointPrev;
                    PPDMASYNCCOMPLETIONENDPOINTFILE pNext = pEndpointRemove->AioMgr.pEndpointNext;

                    if (pPrev)
                        pPrev->AioMgr.pEndpointNext = pNext;
                    else
                        pAioMgr->pEndpointsHead = pNext;

                    if (pNext)
                        pNext->AioMgr.pEndpointPrev = pPrev;

                    pAioMgr->cEndpoints--;
                    break;
                }
                case PDMACEPFILEAIOMGRBLOCKINGEVENT_CLOSE_ENDPOINT:
                {
                    PPDMASYNCCOMPLETIONENDPOINTFILE pEndpointClose = pAioMgr->BlockingEventData.CloseEndpoint.pEndpoint;
                    AssertMsg(VALID_PTR(pEndpointClose), ("Close endpoint event without a endpoint to Close\n"));

                    pEndpointClose->enmState = PDMASYNCCOMPLETIONENDPOINTFILESTATE_CLOSING;

                    /* Make sure all tasks finished. */
                    rc = pdmacFileAioMgrFailsafeProcessEndpoint(pAioMgr, pEndpointClose);
                    AssertRC(rc);
                    break;
                }
                case PDMACEPFILEAIOMGRBLOCKINGEVENT_SHUTDOWN:
                    pAioMgr->enmState = PDMACEPFILEMGRSTATE_SHUTDOWN;
                    break;
                case PDMACEPFILEAIOMGRBLOCKINGEVENT_SUSPEND:
                    pAioMgr->enmState = PDMACEPFILEMGRSTATE_SUSPENDING;
                    break;
                case PDMACEPFILEAIOMGRBLOCKINGEVENT_RESUME:
//.........这里部分代码省略.........
开发者ID:sobomax,项目名称:virtualbox_64bit_edd,代码行数:101,代码来源:PDMAsyncCompletionFileFailsafe.cpp


示例2: AssertPtrReturn

int GuestFile::onFileNotify(PVBOXGUESTCTRLHOSTCBCTX pCbCtx, PVBOXGUESTCTRLHOSTCALLBACK pSvcCbData)
{
    AssertPtrReturn(pCbCtx, VERR_INVALID_POINTER);
    AssertPtrReturn(pSvcCbData, VERR_INVALID_POINTER);

    LogFlowThisFuncEnter();

    if (pSvcCbData->mParms < 3)
        return VERR_INVALID_PARAMETER;

    int vrc = VINF_SUCCESS;

    int idx = 1; /* Current parameter index. */
    CALLBACKDATA_FILE_NOTIFY dataCb;
    /* pSvcCb->mpaParms[0] always contains the context ID. */
    pSvcCbData->mpaParms[idx++].getUInt32(&dataCb.uType);
    pSvcCbData->mpaParms[idx++].getUInt32(&dataCb.rc);

    FileStatus_T fileStatus = FileStatus_Undefined;
    int guestRc = (int)dataCb.rc; /* uint32_t vs. int. */

    LogFlowFunc(("uType=%RU32, guestRc=%Rrc\n",
                 dataCb.uType, guestRc));

    if (RT_FAILURE(guestRc))
    {
        int rc2 = setFileStatus(FileStatus_Error, guestRc);
        AssertRC(rc2);

        rc2 = signalWaitEventInternal(pCbCtx,
                                      guestRc, NULL /* pPayload */);
        AssertRC(rc2);

        return VINF_SUCCESS; /* Report to the guest. */
    }

    switch (dataCb.uType)
    {
        case GUEST_FILE_NOTIFYTYPE_ERROR:
        {
            int rc2 = setFileStatus(FileStatus_Error, guestRc);
            AssertRC(rc2);

            break;
        }

        case GUEST_FILE_NOTIFYTYPE_OPEN:
        {
            if (pSvcCbData->mParms == 4)
            {
                pSvcCbData->mpaParms[idx++].getUInt32(&dataCb.u.open.uHandle);

                {
                    AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
                    AssertMsg(mData.mID == VBOX_GUESTCTRL_CONTEXTID_GET_OBJECT(pCbCtx->uContextID),
                              ("File ID %RU32 does not match context ID %RU32\n", mData.mID,
                              VBOX_GUESTCTRL_CONTEXTID_GET_OBJECT(pCbCtx->uContextID)));

                    /* Set the initial offset. On the guest the whole opening operation
                     * would fail if an initial seek isn't possible. */
                    mData.mOffCurrent = mData.mOpenInfo.mInitialOffset;
                }

                /* Set the process status. */
                int rc2 = setFileStatus(FileStatus_Open, guestRc);
                AssertRC(rc2);
            }
            else
                vrc = VERR_NOT_SUPPORTED;

            break;
        }

        case GUEST_FILE_NOTIFYTYPE_CLOSE:
        {
            int rc2 = setFileStatus(FileStatus_Closed, guestRc);
            AssertRC(rc2);

            break;
        }

        case GUEST_FILE_NOTIFYTYPE_READ:
        {
            if (pSvcCbData->mParms == 4)
            {
                pSvcCbData->mpaParms[idx++].getPointer(&dataCb.u.read.pvData,
                                                       &dataCb.u.read.cbData);
                uint32_t cbRead = dataCb.u.read.cbData;

                AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);

                mData.mOffCurrent += cbRead;

                alock.release();

                com::SafeArray<BYTE> data((size_t)cbRead);
                data.initFrom((BYTE*)dataCb.u.read.pvData, cbRead);

                fireGuestFileReadEvent(mEventSource, mSession, this, mData.mOffCurrent,
                                       cbRead, ComSafeArrayAsInParam(data));
//.........这里部分代码省略.........
开发者ID:bayasist,项目名称:vbox,代码行数:101,代码来源:GuestFileImpl.cpp


示例3: DECLINLINE

DECLINLINE(int) vboxPciVmLock(PVBOXRAWPCIDRVVM pThis)
{
    int rc = RTSemFastMutexRequest(pThis->hFastMtx);
    AssertRC(rc);
    return rc;
}
开发者ID:LastRitter,项目名称:vbox-haiku,代码行数:6,代码来源:VBoxPci.c


示例4: DECLCALLBACK

/**
 * @interface_method_impl{PDMINVRAMCONNECTOR,pfnVarStoreSeqPut}
 */
DECLCALLBACK(int) drvNvram_VarStoreSeqPut(PPDMINVRAMCONNECTOR pInterface, int idxVariable,
        PCRTUUID pVendorUuid, const char *pszName, size_t cchName,
        uint32_t fAttributes, uint8_t const *pbValue, size_t cbValue)
{
    PNVRAM pThis = RT_FROM_MEMBER(pInterface, NVRAM, INvramConnector);
    int    rc    = VINF_SUCCESS;

    if (pThis->fPermanentSave && pThis->pNvram)
    {
        char    szExtraName[256];
        size_t  offValueNm = RTStrPrintf(szExtraName, sizeof(szExtraName) - 16,
                                         NVRAM_CFGM_OVERLAY_PATH "/%04u/", idxVariable);

        char    szUuid[RTUUID_STR_LENGTH];
        int rc2 = RTUuidToStr(pVendorUuid, szUuid, sizeof(szUuid));
        AssertRC(rc2);

        char    szAttribs[32];
        if (fAttributes != NVRAM_DEFAULT_ATTRIB)
            RTStrPrintf(szAttribs, sizeof(szAttribs), "%#x", fAttributes);
        else
            szAttribs[0] = '\0';

        char   *pszValue = drvNvram_binaryToCfgmString(pbValue, cbValue);
        if (pszValue)
        {
            const char *apszTodo[] =
            {
                "Name",     pszName,
                "Uuid",     szUuid,
                "Value",    pszValue,
                "Attribs",  szAttribs,
            };
            for (unsigned i = 0; i < RT_ELEMENTS(apszTodo); i += 2)
            {
                if (!apszTodo[i + 1][0])
                    continue;

                Assert(strlen(apszTodo[i]) < 16);
                strcpy(szExtraName + offValueNm, apszTodo[i]);
                try
                {
                    HRESULT hrc = pThis->pNvram->getParent()->i_machine()->SetExtraData(Bstr(szExtraName).raw(),
                                  Bstr(apszTodo[i + 1]).raw());
                    if (FAILED(hrc))
                    {
                        LogRel(("drvNvram_deleteVar: SetExtraData(%s,%s) returned %Rhrc\n", szExtraName, apszTodo[i + 1], hrc));
                        rc = Global::vboxStatusCodeFromCOM(hrc);
                    }
                }
                catch (...)
                {
                    LogRel(("drvNvram_deleteVar: SetExtraData(%s,%s) threw exception\n", szExtraName, apszTodo[i + 1]));
                    rc = VERR_UNEXPECTED_EXCEPTION;
                }
            }
        }
        else
            rc = VERR_NO_MEMORY;
        RTMemFree(pszValue);
    }

    NOREF(cchName);
    LogFlowFuncLeaveRC(rc);
    return rc;
}
开发者ID:svn2github,项目名称:virtualbox,代码行数:69,代码来源:Nvram.cpp


示例5: main

int main(int argc, char **argv)
{
    RTEXITCODE rcExit;

    /*
     * Init globals and such.
     */
    int rc = RTR3InitExe(argc, &argv, 0);
    if (RT_FAILURE(rc))
        return RTMsgInitFailure(rc);
    g_pszProgName = RTPathFilename(argv[0]);
#ifdef DEBUG
    rc = RTCritSectInit(&g_csLog);
    AssertRC(rc);
#endif

#ifdef VBOXSERVICE_TOOLBOX
    /*
     * Run toolbox code before all other stuff since these things are simpler
     * shell/file/text utility like programs that just happens to be inside
     * VBoxService and shouldn't be subject to /dev/vboxguest, pid-files and
     * global mutex restrictions.
     */
    if (VBoxServiceToolboxMain(argc, argv, &rcExit))
        return rcExit;
#endif

    /*
     * Connect to the kernel part before daemonizing so we can fail and
     * complain if there is some kind of problem.  We need to initialize the
     * guest lib *before* we do the pre-init just in case one of services needs
     * do to some initial stuff with it.
     */
    VBoxServiceVerbose(2, "Calling VbgR3Init()\n");
    rc = VbglR3Init();
    if (RT_FAILURE(rc))
    {
        if (rc == VERR_ACCESS_DENIED)
            return RTMsgErrorExit(RTEXITCODE_FAILURE, "Insufficient privileges to start %s! Please start with Administrator/root privileges!\n",
                                  g_pszProgName);
        return RTMsgErrorExit(RTEXITCODE_FAILURE, "VbglR3Init failed with rc=%Rrc\n", rc);
    }

#ifdef RT_OS_WINDOWS
    /*
     * Check if we're the specially spawned VBoxService.exe process that
     * handles page fusion.  This saves an extra executable.
     */
    if (    argc == 2
            &&  !strcmp(argv[1], "--pagefusionfork"))
        return VBoxServicePageSharingInitFork();
#endif

    char szLogFile[RTPATH_MAX + 128] = "";

    /*
     * Parse the arguments.
     *
     * Note! This code predates RTGetOpt, thus the manual parsing.
     */
    bool fDaemonize = true;
    bool fDaemonized = false;
    for (int i = 1; i < argc; i++)
    {
        const char *psz = argv[i];
        if (*psz != '-')
            return RTMsgErrorExit(RTEXITCODE_SYNTAX, "Unknown argument '%s'\n", psz);
        psz++;

        /* translate long argument to short */
        if (*psz == '-')
        {
            psz++;
            size_t cch = strlen(psz);
#define MATCHES(strconst)       (   cch == sizeof(strconst) - 1 \
                                 && !memcmp(psz, strconst, sizeof(strconst) - 1) )
            if (MATCHES("foreground"))
                psz = "f";
            else if (MATCHES("verbose"))
                psz = "v";
            else if (MATCHES("version"))
                psz = "V";
            else if (MATCHES("help"))
                psz = "h";
            else if (MATCHES("interval"))
                psz = "i";
#ifdef RT_OS_WINDOWS
            else if (MATCHES("register"))
                psz = "r";
            else if (MATCHES("unregister"))
                psz = "u";
#endif
            else if (MATCHES("logfile"))
                psz = "l";
            else if (MATCHES("daemonized"))
            {
                fDaemonized = true;
                continue;
            }
            else
//.........这里部分代码省略.........
开发者ID:greg100795,项目名称:virtualbox,代码行数:101,代码来源:VBoxService.cpp


示例6: vboxServiceWinCtrlHandler

static DWORD WINAPI vboxServiceWinCtrlHandler(DWORD dwControl, DWORD dwEventType, LPVOID lpEventData, LPVOID lpContext)
#endif
{
    DWORD rcRet = NO_ERROR;

#ifdef TARGET_NT4
    VBoxServiceVerbose(2, "Control handler: Control=%#x\n", dwControl);
#else
    VBoxServiceVerbose(2, "Control handler: Control=%#x, EventType=%#x\n", dwControl, dwEventType);
#endif

    switch (dwControl)
    {
        case SERVICE_CONTROL_INTERROGATE:
            vboxServiceWinSetStatus(g_dwWinServiceLastStatus, 0);
            break;

        case SERVICE_CONTROL_STOP:
        case SERVICE_CONTROL_SHUTDOWN:
        {
            vboxServiceWinSetStatus(SERVICE_STOP_PENDING, 0);

            int rc2 = VBoxServiceStopServices();
            if (RT_FAILURE(rc2))
                rcRet = ERROR_GEN_FAILURE;
            else
            {
                rc2 = VBoxServiceReportStatus(VBoxGuestFacilityStatus_Terminated);
                AssertRC(rc2);
            }

            vboxServiceWinSetStatus(SERVICE_STOPPED, 0);
            break;
        }

# ifndef TARGET_NT4
        case SERVICE_CONTROL_SESSIONCHANGE: /* Only Windows 2000 and up. */
        {
            AssertPtr(lpEventData);
            PWTSSESSION_NOTIFICATION pNotify = (PWTSSESSION_NOTIFICATION)lpEventData;
            Assert(pNotify->cbSize == sizeof(WTSSESSION_NOTIFICATION));

            VBoxServiceVerbose(1, "Control handler: %s (Session=%ld, Event=%#x)\n",
                               vboxServiceWTSStateToString(dwEventType),
                               pNotify->dwSessionId, dwEventType);

            /* Handle all events, regardless of dwEventType. */
            int rc2 = VBoxServiceVMInfoSignal();
            AssertRC(rc2);
            break;
        }
# endif /* !TARGET_NT4 */

        default:
            VBoxServiceVerbose(1, "Control handler: Function not implemented: %#x\n", dwControl);
            rcRet = ERROR_CALL_NOT_IMPLEMENTED;
            break;
    }

#ifndef TARGET_NT4
    return rcRet;
#endif
}
开发者ID:virendramishra,项目名称:VirtualBox4.1.18,代码行数:63,代码来源:VBoxService-win.cpp


示例7: VBoxDbgBaseWindow

VBoxDbgConsole::VBoxDbgConsole(VBoxDbgGui *a_pDbgGui, QWidget *a_pParent/* = NULL*/, IVirtualBox *a_pVirtualBox/* = NULL */)
    : VBoxDbgBaseWindow(a_pDbgGui, a_pParent, "Console"), m_pOutput(NULL), m_pInput(NULL), m_fInputRestoreFocus(false),
    m_pszInputBuf(NULL), m_cbInputBuf(0), m_cbInputBufAlloc(0),
    m_pszOutputBuf(NULL), m_cbOutputBuf(0), m_cbOutputBufAlloc(0),
    m_pTimer(NULL), m_fUpdatePending(false), m_Thread(NIL_RTTHREAD), m_EventSem(NIL_RTSEMEVENT),
    m_fTerminate(false), m_fThreadTerminated(false)
{
    /*
     * Create the output text box.
     */
    m_pOutput = new VBoxDbgConsoleOutput(this, a_pVirtualBox);

    /* try figure a suitable size */
    QLabel *pLabel = new QLabel(      "11111111111111111111111111111111111111111111111111111111111111111111111111111112222222222", this);
    pLabel->setFont(m_pOutput->font());
    QSize Size = pLabel->sizeHint();
    delete pLabel;
    Size.setWidth((int)(Size.width() * 1.10));
    Size.setHeight(Size.width() / 2);
    resize(Size);

    /*
     * Create the input combo box (with a label).
     */
    QHBoxLayout *pLayout = new QHBoxLayout();
    //pLayout->setSizeConstraint(QLayout::SetMaximumSize);

    pLabel = new QLabel(" Command ");
    pLayout->addWidget(pLabel);
    pLabel->setMaximumSize(pLabel->sizeHint());
    pLabel->setAlignment(Qt::AlignCenter);

    m_pInput = new VBoxDbgConsoleInput(NULL);
    pLayout->addWidget(m_pInput);
    m_pInput->setDuplicatesEnabled(false);
    connect(m_pInput, SIGNAL(commandSubmitted(const QString &)), this, SLOT(commandSubmitted(const QString &)));

# if 0//def Q_WS_MAC
    pLabel = new QLabel("  ");
    pLayout->addWidget(pLabel);
    pLabel->setMaximumSize(20, m_pInput->sizeHint().height() + 6);
    pLabel->setMinimumSize(20, m_pInput->sizeHint().height() + 6);
# endif

    QWidget *pHBox = new QWidget(this);
    pHBox->setLayout(pLayout);

    m_pInput->setEnabled(false);    /* (we'll get a ready notification) */


    /*
     * Vertical layout box on the whole widget.
     */
    QVBoxLayout *pVLayout = new QVBoxLayout();
    pVLayout->setContentsMargins(0, 0, 0, 0);
    pVLayout->setSpacing(5);
    pVLayout->addWidget(m_pOutput);
    pVLayout->addWidget(pHBox);
    setLayout(pVLayout);

    /*
     * The tab order is from input to output, not the other way around as it is by default.
     */
    setTabOrder(m_pInput, m_pOutput);
    m_fInputRestoreFocus = true; /* hack */

    /*
     * Setup the timer.
     */
    m_pTimer = new QTimer(this);
    connect(m_pTimer, SIGNAL(timeout()), SLOT(updateOutput()));

    /*
     * Init the backend structure.
     */
    m_Back.Core.pfnInput   = backInput;
    m_Back.Core.pfnRead    = backRead;
    m_Back.Core.pfnWrite   = backWrite;
    m_Back.Core.pfnSetReady = backSetReady;
    m_Back.pSelf = this;

    /*
     * Create the critical section, the event semaphore and the debug console thread.
     */
    int rc = RTCritSectInit(&m_Lock);
    AssertRC(rc);

    rc = RTSemEventCreate(&m_EventSem);
    AssertRC(rc);

    rc = RTThreadCreate(&m_Thread, backThread, this, 0, RTTHREADTYPE_DEBUGGER, RTTHREADFLAGS_WAITABLE, "VBoxDbgC");
    AssertRC(rc);
    if (RT_FAILURE(rc))
        m_Thread = NIL_RTTHREAD;

    /*
     * Shortcuts.
     */
    m_pFocusToInput = new QAction("", this);
    m_pFocusToInput->setShortcut(QKeySequence("Ctrl+L"));
//.........这里部分代码省略.........
开发者ID:mdaniel,项目名称:virtualbox-org-svn-vbox-trunk,代码行数:101,代码来源:VBoxDbgConsole.cpp


示例8: parallel_ioport_read

static uint32_t parallel_ioport_read(void *opaque, uint32_t addr, int *pRC)
{
    ParallelState *s = (ParallelState *)opaque;
    uint32_t ret = ~0U;

    *pRC = VINF_SUCCESS;

    addr &= 7;
    switch(addr) {
    default:
    case 0:
        if (!(s->reg_control & LPT_CONTROL_ENABLE_BIDIRECT))
            ret = s->reg_data;
        else
        {
#ifndef IN_RING3
            *pRC = VINF_IOM_HC_IOPORT_READ;
#else
            if (RT_LIKELY(s->pDrvHostParallelConnector))
            {
                size_t cbRead;
                int rc = s->pDrvHostParallelConnector->pfnRead(s->pDrvHostParallelConnector, &s->reg_data, &cbRead);
                Log(("parallel_io_port_read: read 0x%X\n", s->reg_data));
                AssertRC(rc);
            }
            ret = s->reg_data;
#endif
        }
        break;
    case 1:
#ifndef IN_RING3
        *pRC = VINF_IOM_HC_IOPORT_READ;
#else
        if (RT_LIKELY(s->pDrvHostParallelConnector))
        {
            int rc = s->pDrvHostParallelConnector->pfnReadStatus(s->pDrvHostParallelConnector, &s->reg_status);
            AssertRC(rc);
        }
        ret = s->reg_status;
        parallel_clear_irq(s);
#endif
        break;
    case 2:
        ret = s->reg_control;
        break;
    case 3:
        ret = s->reg_epp_addr;
        break;
    case 4:
        ret = s->reg_epp_data;
        break;
    case 5:
        break;
    case 6:
        break;
    case 7:
        break;
    }
    LogFlow(("parallel: read addr=0x%02x val=0x%02x\n", addr, ret));
    return ret;
}
开发者ID:virendramishra,项目名称:VirtualBox4.1.18,代码行数:61,代码来源:DevParallel.cpp


示例9: VGSvcWinResolveApis

/**
 * Resolve APIs not present on older windows versions.
 */
void VGSvcWinResolveApis(void)
{
    RTLDRMOD hLdrMod;
#define RESOLVE_SYMBOL(a_fn) do { RT_CONCAT(g_pfn, a_fn) = (decltype(a_fn) *)RTLdrGetFunction(hLdrMod, #a_fn); } while (0)

    /* From ADVAPI32.DLL: */
    int rc = RTLdrLoadSystem("advapi32.dll", true /*fNoUnload*/, &hLdrMod);
    AssertRC(rc);
    if (RT_SUCCESS(rc))
    {
        RESOLVE_SYMBOL(RegisterServiceCtrlHandlerExA);
        RESOLVE_SYMBOL(ChangeServiceConfig2A);
        RESOLVE_SYMBOL(GetNamedSecurityInfoA);
        RESOLVE_SYMBOL(SetEntriesInAclA);
        RESOLVE_SYMBOL(SetNamedSecurityInfoA);
        RESOLVE_SYMBOL(LsaNtStatusToWinError);
        RTLdrClose(hLdrMod);
    }

    /* From KERNEL32.DLL: */
    rc = RTLdrLoadSystem("kernel32.dll", true /*fNoUnload*/, &hLdrMod);
    AssertRC(rc);
    if (RT_SUCCESS(rc))
    {
        RESOLVE_SYMBOL(CreateToolhelp32Snapshot);
        RESOLVE_SYMBOL(Process32First);
        RESOLVE_SYMBOL(Process32Next);
        RESOLVE_SYMBOL(Module32First);
        RESOLVE_SYMBOL(Module32Next);
        RESOLVE_SYMBOL(GetSystemTimeAdjustment);
        RESOLVE_SYMBOL(SetSystemTimeAdjustment);
        RTLdrClose(hLdrMod);
    }

    /* From NTDLL.DLL: */
    rc = RTLdrLoadSystem("ntdll.dll", true /*fNoUnload*/, &hLdrMod);
    AssertRC(rc);
    if (RT_SUCCESS(rc))
    {
        RESOLVE_SYMBOL(ZwQuerySystemInformation);
        RTLdrClose(hLdrMod);
    }

    /* From IPHLPAPI.DLL: */
    rc = RTLdrLoadSystem("iphlpapi.dll", true /*fNoUnload*/, &hLdrMod);
    if (RT_SUCCESS(rc))
    {
        RESOLVE_SYMBOL(GetAdaptersInfo);
        RTLdrClose(hLdrMod);
    }

    /* From WS2_32.DLL: */
    rc = RTLdrLoadSystem("ws2_32.dll", true /*fNoUnload*/, &hLdrMod);
    if (RT_SUCCESS(rc))
    {
        RESOLVE_SYMBOL(WSAStartup);
        RESOLVE_SYMBOL(WSACleanup);
        RESOLVE_SYMBOL(WSASocketA);
        RESOLVE_SYMBOL(WSAIoctl);
        RESOLVE_SYMBOL(WSAGetLastError);
        RESOLVE_SYMBOL(closesocket);
        RESOLVE_SYMBOL(inet_ntoa);
        RTLdrClose(hLdrMod);
    }
}
开发者ID:jbremer,项目名称:virtualbox,代码行数:68,代码来源:VBoxService-win.cpp


示例10: RTDECL

RTDECL(int) RTUriFileCreateEx(const char *pszPath, uint32_t fPathStyle, char **ppszUri, size_t cbUri, size_t *pcchUri)
{
    /*
     * Validate and adjust input. (RTPathParse check pszPath out for us)
     */
    if (pcchUri)
    {
        AssertPtrReturn(pcchUri, VERR_INVALID_POINTER);
        *pcchUri = ~(size_t)0;
    }
    AssertPtrReturn(ppszUri, VERR_INVALID_POINTER);
    AssertReturn(!(fPathStyle & ~RTPATH_STR_F_STYLE_MASK) && fPathStyle != RTPATH_STR_F_STYLE_RESERVED, VERR_INVALID_FLAGS);
    if (fPathStyle == RTPATH_STR_F_STYLE_HOST)
        fPathStyle = RTPATH_STYLE;

    /*
     * Let the RTPath code parse the stuff (no reason to duplicate path parsing
     * and get it slightly wrong here).
     */
    RTPATHPARSED ParsedPath;
    int rc = RTPathParse(pszPath, &ParsedPath, sizeof(ParsedPath), fPathStyle);
    if (RT_SUCCESS(rc) || rc == VERR_BUFFER_OVERFLOW)
    {
        /* Skip leading slashes. */
        if (ParsedPath.fProps & RTPATH_PROP_ROOT_SLASH)
        {
            if (fPathStyle == RTPATH_STR_F_STYLE_DOS)
                while (pszPath[0] == '/' || pszPath[0] == '\\')
                    pszPath++;
            else
                while (pszPath[0] == '/')
                    pszPath++;
        }
        const size_t cchPath = strlen(pszPath);

        /*
         * Calculate the encoded length and figure destination buffering.
         */
        static const char s_szPrefix[] = "file:///";
        size_t const      cchPrefix    = sizeof(s_szPrefix) - (ParsedPath.fProps & RTPATH_PROP_UNC ? 2 : 1);
        size_t cchEncoded = rtUriCalcEncodedLength(pszPath, cchPath, fPathStyle != RTPATH_STR_F_STYLE_DOS);

        if (pcchUri)
            *pcchUri = cchEncoded;

        char  *pszDst;
        char  *pszFreeMe = NULL;
        if (!cbUri || *ppszUri == NULL)
        {
            cbUri = RT_MAX(cbUri, cchPrefix + cchEncoded + 1);
            *ppszUri = pszFreeMe = pszDst = RTStrAlloc(cbUri);
            AssertReturn(pszDst, VERR_NO_STR_MEMORY);
        }
        else if (cchEncoded < cbUri)
            pszDst = *ppszUri;
        else
            return VERR_BUFFER_OVERFLOW;

        /*
         * Construct the URI.
         */
        memcpy(pszDst, s_szPrefix, cchPrefix);
        pszDst[cchPrefix] = '\0';
        rc = rtUriEncodeIntoBuffer(pszPath, cchPath, fPathStyle != RTPATH_STR_F_STYLE_DOS, &pszDst[cchPrefix], cbUri - cchPrefix);
        if (RT_SUCCESS(rc))
        {
            Assert(strlen(pszDst) == cbUri - 1);
            if (fPathStyle == RTPATH_STR_F_STYLE_DOS)
                RTPathChangeToUnixSlashes(pszDst, true /*fForce*/);
            return VINF_SUCCESS;
        }

        AssertRC(rc); /* Impossible! rtUriCalcEncodedLength or something above is busted! */
        if (pszFreeMe)
            RTStrFree(pszFreeMe);
    }
    return rc;
}
开发者ID:miguelinux,项目名称:vbox,代码行数:78,代码来源:uri.cpp


示例11: DECLCALLBACK

/**
 * Open a USB device and create a backend instance for it.
 *
 * @returns VBox status code.
 */
static DECLCALLBACK(int) usbProxyWinOpen(PUSBPROXYDEV pProxyDev, const char *pszAddress, void *pvBackend)
{
    PPRIV_USBW32 pPriv = USBPROXYDEV_2_DATA(pProxyDev, PPRIV_USBW32);

    int rc = VINF_SUCCESS;
    pPriv->cAllocatedUrbs = 32;
    pPriv->paHandles    = (PHANDLE)RTMemAllocZ(sizeof(pPriv->paHandles[0]) * pPriv->cAllocatedUrbs);
    pPriv->paQueuedUrbs = (PQUEUED_URB *)RTMemAllocZ(sizeof(pPriv->paQueuedUrbs[0]) * pPriv->cAllocatedUrbs);
    if (    pPriv->paQueuedUrbs
        &&  pPriv->paHandles)
    {
        /*
         * Open the device.
         */
        pPriv->hDev = CreateFile(pszAddress,
                                 GENERIC_READ | GENERIC_WRITE,
                                 FILE_SHARE_WRITE | FILE_SHARE_READ,
                                 NULL, // no SECURITY_ATTRIBUTES structure
                                 OPEN_EXISTING, // No special create flags
                                 FILE_ATTRIBUTE_SYSTEM | FILE_FLAG_OVERLAPPED, // overlapped IO
                                 NULL); // No template file
        if (pPriv->hDev != INVALID_HANDLE_VALUE)
        {
            Log(("usbProxyWinOpen: hDev=%p\n", pPriv->hDev));

            /*
             * Check the version
             */
            USBSUP_VERSION  version = {0};
            DWORD           cbReturned = 0;
            if (DeviceIoControl(pPriv->hDev, SUPUSB_IOCTL_GET_VERSION, NULL, 0, &version, sizeof(version), &cbReturned, NULL))
            {
                if (!(    version.u32Major != USBDRV_MAJOR_VERSION
                      ||  version.u32Minor <  USBDRV_MINOR_VERSION))
                {
                    USBSUP_CLAIMDEV in;
                    in.bInterfaceNumber = 0;

                    cbReturned = 0;
                    if (DeviceIoControl(pPriv->hDev, SUPUSB_IOCTL_USB_CLAIM_DEVICE, &in, sizeof(in), &in, sizeof(in), &cbReturned, NULL))
                    {
                        if (in.fClaimed)
                        {
                            pPriv->fClaimed = true;
#if 0 /** @todo this needs to be enabled if windows chooses a default config. Test with the TrekStor GO Stick. */
                            pProxyDev->iActiveCfg = 1;
                            pProxyDev->cIgnoreSetConfigs = 1;
#endif

                            rc = RTCritSectInit(&pPriv->CritSect);
                            AssertRC(rc);
                            pPriv->hEventWakeup     = CreateEvent(NULL, FALSE, FALSE, NULL);
                            Assert(pPriv->hEventWakeup);

                            pPriv->paHandles[0] = pPriv->hEventWakeup;

                            return VINF_SUCCESS;
                        }

                        rc = VERR_GENERAL_FAILURE;
                        Log(("usbproxy: unable to claim device %x (%s)!!\n", pPriv->hDev, pszAddress));
                    }
                }
                else
                {
                    rc = VERR_VERSION_MISMATCH;
                    Log(("usbproxy: Version mismatch: %d.%d != %d.%d (cur)\n",
                         version.u32Major, version.u32Minor, USBDRV_MAJOR_VERSION, USBDRV_MINOR_VERSION));
                }
            }

            /* Convert last error if necessary */
            if (RT_SUCCESS(rc))
            {
                DWORD dwErr = GetLastError();
                Log(("usbproxy: last error %d\n", dwErr));
                rc = RTErrConvertFromWin32(dwErr);
            }

            CloseHandle(pPriv->hDev);
            pPriv->hDev = INVALID_HANDLE_VALUE;
        }
        else
        {
            Log(("usbproxy: FAILED to open '%s'! last error %d\n", pszAddress, GetLastError()));
            rc = VERR_FILE_NOT_FOUND;
        }
    }
    else
        rc = VERR_NO_MEMORY;

    RTMemFree(pPriv->paQueuedUrbs);
    RTMemFree(pPriv->paHandles);
    return rc;
}
开发者ID:bayasist,项目名称:vbox,代码行数:100,代码来源:USBProxyDevice-win.cpp


示例12: VMMDECL

/**
 * Leaves a critical section entered with PDMCritSectEnter().
 *
 * @returns Indication whether we really exited the critical section.
 * @retval  VINF_SUCCESS if we really exited.
 * @retval  VINF_SEM_NESTED if we only reduced the nesting count.
 * @retval  VERR_NOT_OWNER if you somehow ignore release assertions.
 *
 * @param   pCritSect           The PDM critical section to leave.
 */
VMMDECL(int) PDMCritSectLeave(PPDMCRITSECT pCritSect)
{
    AssertMsg(pCritSect->s.Core.u32Magic == RTCRITSECT_MAGIC, ("%p %RX32\n", pCritSect, pCritSect->s.Core.u32Magic));
    Assert(pCritSect->s.Core.u32Magic == RTCRITSECT_MAGIC);

    /* Check for NOP sections before asserting ownership. */
    if (pCritSect->s.Core.fFlags & RTCRITSECT_FLAGS_NOP)
        return VINF_SUCCESS;

    /*
     * Always check that the caller is the owner (screw performance).
     */
    RTNATIVETHREAD const hNativeSelf = pdmCritSectGetNativeSelf(pCritSect);
    AssertReleaseMsgReturn(pCritSect->s.Core.NativeThreadOwner == hNativeSelf,
                           ("%p %s: %p != %p; cLockers=%d cNestings=%d\n", pCritSect, R3STRING(pCritSect->s.pszName),
                            pCritSect->s.Core.NativeThreadOwner, hNativeSelf,
                            pCritSect->s.Core.cLockers, pCritSect->s.Core.cNestings),
                           VERR_NOT_OWNER);
    Assert(pCritSect->s.Core.cNestings >= 1);

    /*
     * Nested leave.
     */
    if (pCritSect->s.Core.cNestings > 1)
    {
        ASMAtomicDecS32(&pCritSect->s.Core.cNestings);
        Assert(pCritSect->s.Core.cNestings >= 1);
        ASMAtomicDecS32(&pCritSect->s.Core.cLockers);
        Assert(pCritSect->s.Core.cLockers >= 0);
        return VINF_SEM_NESTED;
    }

#ifdef IN_RING0
# if 0 /** @todo Make SUPSemEventSignal interrupt safe (handle table++) and enable this for: defined(RT_OS_LINUX) || defined(RT_OS_OS2) */
    if (1) /* SUPSemEventSignal is safe */
# else
    if (ASMIntAreEnabled())
# endif
#endif
#if defined(IN_RING3) || defined(IN_RING0)
    {
        /*
         * Leave for real.
         */
        /* update members. */
        SUPSEMEVENT hEventToSignal  = pCritSect->s.hEventToSignal;
        pCritSect->s.hEventToSignal = NIL_SUPSEMEVENT;
# ifdef IN_RING3
#  if defined(PDMCRITSECT_STRICT)
        if (pCritSect->s.Core.pValidatorRec->hThread != NIL_RTTHREAD)
            RTLockValidatorRecExclReleaseOwnerUnchecked(pCritSect->s.Core.pValidatorRec);
#  endif
        Assert(!pCritSect->s.Core.pValidatorRec || pCritSect->s.Core.pValidatorRec->hThread == NIL_RTTHREAD);
# endif
        ASMAtomicAndU32(&pCritSect->s.Core.fFlags, ~PDMCRITSECT_FLAGS_PENDING_UNLOCK);
        ASMAtomicWriteHandle(&pCritSect->s.Core.NativeThreadOwner, NIL_RTNATIVETHREAD);
        ASMAtomicDecS32(&pCritSect->s.Core.cNestings);
        Assert(pCritSect->s.Core.cNestings == 0);

        /* stop and decrement lockers. */
        STAM_PROFILE_ADV_STOP(&pCritSect->s.StatLocked, l);
        ASMCompilerBarrier();
        if (ASMAtomicDecS32(&pCritSect->s.Core.cLockers) >= 0)
        {
            /* Someone is waiting, wake up one of them. */
            SUPSEMEVENT     hEvent   = (SUPSEMEVENT)pCritSect->s.Core.EventSem;
            PSUPDRVSESSION  pSession = pCritSect->s.CTX_SUFF(pVM)->pSession;
            int rc = SUPSemEventSignal(pSession, hEvent);
            AssertRC(rc);
        }

        /* Signal exit event. */
        if (hEventToSignal != NIL_SUPSEMEVENT)
        {
            Log8(("Signalling %#p\n", hEventToSignal));
            int rc = SUPSemEventSignal(pCritSect->s.CTX_SUFF(pVM)->pSession, hEventToSignal);
            AssertRC(rc);
        }

# if defined(DEBUG_bird) && defined(IN_RING0)
        VMMTrashVolatileXMMRegs();
# endif
    }
#endif  /* IN_RING3 || IN_RING0 */
#ifdef IN_RING0
    else
#endif
#if defined(IN_RING0) || defined(IN_RC)
    {
        /*
//.........这里部分代码省略.........
开发者ID:stefano-garzarella,项目名称:virtualbox-org-svn-vbox-trunk,代码行数:101,代码来源:PDMAllCritSect.cpp


示例13: VMMR3DECL

/**
 * Deregister one(/all) info handler(s) owned by a driver.
 *
 * @returns VBox status code.
 * @param   pVM         Pointer to the VM.
 * @param   pDrvIns     Driver instance.
 * @param   pszName     The identifier of the info. If NULL all owned by the driver.
 */
VMMR3DECL(int) DBGFR3InfoDeregisterDriver(PVM pVM, PPDMDRVINS pDrvIns, const char *pszName)
{
    LogFlow(("DBGFR3InfoDeregisterDriver: pDrvIns=%p pszName=%p:{%s}\n", pDrvIns, pszName, pszName));

    /*
     * Validate input.
     */
    if (!pDrvIns)
    {
        AssertMsgFailed(("!pDrvIns\n"));
        return VERR_INVALID_PARAMETER;
    }
    size_t cchName = pszName ? strlen(pszName) : 0;

    /*
     * Enumerate the info handlers and free the requested entries.
     */
    int rc = RTCritSectEnter(&pVM->dbgf.s.InfoCritSect);
    AssertRC(rc);
    rc = VERR_FILE_NOT_FOUND;
    PDBGFINFO pPrev = NULL;
    PDBGFINFO pInfo = pVM->dbgf.s.pInfoFirst;
    if (pszName)
    {
        /*
         * Free a specific one.
         */
        for (; pInfo; pPrev = pInfo, pInfo = pInfo->pNext)
            if (    pInfo->enmType == DBGFINFOTYPE_DRV
                &&  pInfo->u.Drv.pDrvIns == pDrvIns
                &&  pInfo->cchName == cchName
                &&  !strcmp(pInfo->szName, pszName))
            {
                if (pPrev)
                    pPrev->pNext = pInfo->pNext;
                else
                    pVM->dbgf.s.pInfoFirst = pInfo->pNext;
                MMR3HeapFree(pInfo);
                rc = VINF_SUCCESS;
                break;
            }
    }
    else
    {
        /*
         * Free all owned by the driver.
         */
        for (; pInfo; pPrev = pInfo, pInfo = pInfo->pNext)
            if (    pInfo->enmType == DBGFINFOTYPE_DRV
                &&  pInfo->u.Drv.pDrvIns == pDrvIns)
            {
                if (pPrev)
                    pPrev->pNext = pInfo->pNext;
                else
                    pVM->dbgf.s.pInfoFirst = pInfo->pNext;
                MMR3HeapFree(pInfo);
                pInfo = pPrev;
            }
        rc = VINF_SUCCESS;
    }
    int rc2 = RTCritSectLeave(&pVM->dbgf.s.InfoCritSect);
    AssertRC(rc2);
    AssertRC(rc);
    LogFlow(("DBGFR3InfoDeregisterDriver: returns %Rrc\n", rc));
    return rc;
}
开发者ID:greg100795,项目名称:virtualbox,代码行数:74,代码来源:DBGFInfo.cpp


示例14: DECLEXPORT

/**
 *  Entry point.
 */
extern "C" DECLEXPORT(int) TrustedMain(int argc, char **argv, char **envp)
{
    int rcRet = 0; /* error count */
    PPDMASYNCCOMPLETIONENDPOINT pEndpointSrc, pEndpointDst;

    RTR3InitExe(argc, &argv, RTR3INIT_FLAGS_SUPLIB);

    if (argc != 3)
    {
        RTPrintf(TESTCASE ": Usage is ./tstPDMAsyncCompletion <source> <dest>\n");
        return 1;
    }

    PVM pVM;
    PUVM pUVM;
    int rc = VMR3Create(1, NULL, NULL, NULL, NULL, NULL, &pVM, &pUVM);
    if (RT_SUCCESS(rc))
    {
        /*
         * Little hack to avoid the VM_ASSERT_EMT assertion.
         */
        RTTlsSet(pVM->pUVM->vm.s.idxTLS, &pVM->pUVM->aCpus[0]);
        pVM->pUVM->aCpus[0].pUVM = pVM->pUVM;
        pVM->pUVM->aCpus[0].vm.s.NativeThreadEMT = RTThreadNativeSelf();

        /*
         * Create the template.
         */
        PPDMASYNCCOMPLETIONTEMPLATE pTemplate;
        rc = PDMR3AsyncCompletionTemplateCreateInternal(pVM, &pTemplate, AsyncTaskCompleted, NULL, "Test");
        if (RT_FAILURE(rc))
        {
            RTPrintf(TESTCASE ": Error while creating the template!! rc=%d\n", rc);
            return 1;
        }

        /*
         * Create event semaphore.
         */
        rc = RTSemEventCreate(&g_FinishedEventSem);
        AssertRC(rc);

        /*
         * Create the temporary buffers.
         */
        for (unsigned i=0; i < NR_TASKS; i++)
        {
            g_AsyncCompletionTasksBuffer[i] = (uint8_t *)RTMemAllocZ(BUFFER_SIZE);
            if (!g_AsyncCompletionTasksBuffer[i])
            {
                RTPrintf(TESTCASE ": out of memory!\n");
                return ++rcRet;
            }
        }

        /* Create the destination as the async completion API can't do this. */
        RTFILE FileTmp;
        rc = RTFileOpen(&FileTmp, argv[2], RTFILE_O_READWRITE | RTFILE_O_OPEN_CREATE | RTFILE_O_DENY_NONE);
        if (RT_FAILURE(rc))
        {
            RTPrintf(TESTCASE ": Error while creating the destination!! rc=%d\n", rc);
            return ++rcRet;
        }
        RTFileClose(FileTmp);

        /* Create our file endpoint */
        rc = PDMR3AsyncCompletionEpCreateForFile(&pEndpointSrc, argv[1], 0, pTemplate);
        if (RT_SUCCESS(rc))
        {
            rc = PDMR3AsyncCompletionEpCreateForFile(&pEndpointDst, argv[2], 0, pTemplate);
            if (RT_SUCCESS(rc))
            {
                PDMR3PowerOn(pVM);

                /* Wait for all threads to finish initialization. */
                RTThreadSleep(100);

                int fReadPass = true;
                uint64_t cbSrc;
                size_t   offSrc = 0;
                size_t   offDst = 0;
                uint32_t cTasksUsed = 0;

                rc = PDMR3AsyncCompletionEpGetSize(pEndpointSrc, &cbSrc);
                if (RT_SUCCESS(rc))
                {
                    /* Copy the data. */
                    for (;;)
                    {
                        if (fReadPass)
                        {
                            cTasksUsed = (BUFFER_SIZE * NR_TASKS) <= (cbSrc - offSrc)
                                         ? NR_TASKS
                                         :   ((cbSrc - offSrc) / BUFFER_SIZE)
                                           + ((cbSrc - offSrc) % BUFFER_SIZE) > 0
                                         ? 1
                                         : 0;
//.........这里部分代码省略.........
开发者ID:miguelinux,项目名称:vbox,代码行数:101,代码来源:tstPDMAsyncCompletion.cpp


示例15: DECLCALLBACK

/**
 * Worker for DBGFR3Info and DBGFR3InfoEx.
 *
 * @returns VBox status code.
 * @param   pVM                 Pointer to the VM.
 * @param   idCpu               Which CPU to run EMT bound handlers on.
 *                              VMCPUID_ANY or a valid CPU ID.
 * @param   pszName             What to dump.
 * @param   pszArgs             Arguments, optional.
 * @param   pHlp                Output helper, optional.
 */
static DECLCALLBACK(int) dbgfR3Info(PVM pVM, VMCPUID idCpu, const char *pszName, const char *pszArgs, PCDBGFINFOHLP pHlp)
{
    /*
     * Validate input.
     */
    AssertPtrReturn(pszName, VERR_INVALID_POINTER);
    if (pHlp)
    {
        if (    !pHlp->pfnPrintf
            ||  !pHlp->pfnPrintfV)
        {
            AssertMsgFailed(("A pHlp member is missing!\n"));
            return VERR_INVALID_PARAMETER;
        }
    }
    else
        pHlp = &g_dbgfR3InfoLogHlp;

    /*
     * Find the info handler.
     */
    size_t cchName = strlen(pszName);
    int rc = RTCritSectEnter(&pVM->dbgf.s.InfoCritSect);
    AssertRC(rc);
    PDBGFINFO pInfo = pVM->dbgf.s.pInfoFirst;
    for (; pInfo; pInfo = pInfo->pNext)
        if (    pInfo->cchName == cchName
            &&  !memcmp(pInfo->szName, pszName, cchName))
            break;
    if (pInfo)
    {
        /*
         * Found it.
         *      Make a copy of it on the stack so we can leave the crit sect.
         *      Switch on the type and invoke the handler.
         */
        DBGFINFO Info = *pInfo;
        rc = RTCritSectLeave(&pVM->dbgf.s.InfoCritSect);
        AssertRC(rc);
        rc = VINF_SUCCESS;
        switch (Info.enmType)
        {
            case DBGFINFOTYPE_DEV:
                if (Info.fFlags & DBGFINFO_FLAGS_RUN_ON_EMT)
                    rc = VMR3ReqCallVoidWait(pVM, idCpu, (PFNRT)Info.u.Dev.pfnHandler, 3, Info.u.Dev.pDevIns, pHlp, pszArgs);
                else
                    Info.u.Dev.pfnHandler(Info.u.Dev.pDevIns, pHlp, pszArgs);
                break;

            case DBGFINFOTYPE_DRV:
                if (Info.fFlags & DBGFINFO_FLAGS_RUN_ON_EMT)
                    rc = VMR3ReqCallVoidWait(pVM, idCpu, (PFNRT)Info.u.Drv.pfnHandler, 3, Info.u.Drv.pDrvIns, pHlp, pszArgs);
                else
                    Info.u.Drv.pfnHandler(Info.u.Drv.pDrvIns, pHlp, pszArgs);
                break;

            case DBGFINFOTYPE_INT:
                if (Info.fFlags & DBGFINFO_FLAGS_RUN_ON_EMT)
                    rc = VMR3ReqCallVoidWait(pVM, idCpu, (PF 

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