Esempi in C++ (Cpp) per ISynchStateController::DecrementOwnershipCount

Esempio n. 1

File: mutex.cpp Progetto: jamesqo/coreclr

PAL_ERROR
CorUnix::InternalReleaseMutex(
    CPalThread *pthr,
    HANDLE hMutex
    )
{
    PAL_ERROR palError = NO_ERROR;
    IPalObject *pobjMutex = NULL;
    ISynchStateController *pssc = NULL;
    PalObjectTypeId objectTypeId;

    _ASSERTE(NULL != pthr);

    ENTRY("InternalReleaseMutex(pthr=%p, hMutex=%p)\n",
        pthr,
        hMutex
        );

    palError = g_pObjectManager->ReferenceObjectByHandle(
        pthr,
        hMutex,
        &aotAnyMutex,
        0, // should be MUTEX_MODIFY_STATE -- current ignored (no Win32 security)
        &pobjMutex
        );

    if (NO_ERROR != palError)
    {
        ERROR("Unable to obtain object for handle %p (error %d)!\n", hMutex, palError);
        goto InternalReleaseMutexExit;
    }

    objectTypeId = pobjMutex->GetObjectType()->GetId();
    if (objectTypeId == otiMutex)
    {
        palError = pobjMutex->GetSynchStateController(
            pthr,
            &pssc
            );

        if (NO_ERROR != palError)
        {
            ASSERT("Error %d obtaining synch state controller\n", palError);
            goto InternalReleaseMutexExit;
        }

        palError = pssc->DecrementOwnershipCount();

        if (NO_ERROR != palError)
        {
            ERROR("Error %d decrementing mutex ownership count\n", palError);
            goto InternalReleaseMutexExit;
        }
    }
    else
    {
        _ASSERTE(objectTypeId == otiNamedMutex);

        SharedMemoryProcessDataHeader *processDataHeader =
            SharedMemoryProcessDataHeader::PalObject_GetProcessDataHeader(pobjMutex);
        _ASSERTE(processDataHeader != nullptr);
        try
        {
            static_cast<NamedMutexProcessData *>(processDataHeader->GetData())->ReleaseLock();
        }
        catch (SharedMemoryException ex)
        {
            palError = ex.GetErrorCode();
            goto InternalReleaseMutexExit;
        }
    }

InternalReleaseMutexExit:

    if (NULL != pssc)
    {
        pssc->ReleaseController();
    }

    if (NULL != pobjMutex)
    {
        pobjMutex->ReleaseReference(pthr);
    }

    LOGEXIT("InternalReleaseMutex returns %i\n", palError);

    return palError;
}

Esempio n. 2

File: mutex.cpp Progetto: SpivEgin/coreclr

PAL_ERROR
CorUnix::InternalReleaseMutex(
    CPalThread *pthr,
    HANDLE hMutex
    )
{
    PAL_ERROR palError = NO_ERROR;
    IPalObject *pobjMutex = NULL;
    ISynchStateController *pssc = NULL;

    _ASSERTE(NULL != pthr);

    ENTRY("InternalReleaseMutex(pthr=%p, hMutex=%p)\n",
        pthr,
        hMutex
        );

    palError = g_pObjectManager->ReferenceObjectByHandle(
        pthr,
        hMutex,
        &aotMutex,
        0, // should be MUTEX_MODIFY_STATE -- current ignored (no Win32 security)
        &pobjMutex
        );

    if (NO_ERROR != palError)
    {
        ERROR("Unable to obtain object for handle %p (error %d)!\n", hMutex, palError);
        goto InternalReleaseMutexExit;
    }
    
    palError = pobjMutex->GetSynchStateController(
        pthr,
        &pssc
        );

    if (NO_ERROR != palError)
    {
        ASSERT("Error %d obtaining synch state controller\n", palError);
        goto InternalReleaseMutexExit;
    }

    palError = pssc->DecrementOwnershipCount();

    if (NO_ERROR != palError)
    {
        ERROR("Error %d decrementing mutex ownership count\n", palError);
        goto InternalReleaseMutexExit;
    }

InternalReleaseMutexExit:

    if (NULL != pssc)
    {
        pssc->ReleaseController();
    }

    if (NULL != pobjMutex)
    {
        pobjMutex->ReleaseReference(pthr);
    }

    LOGEXIT("InternalReleaseMutex returns %i\n", palError);

    return palError;
}