C++ (Cpp) PTRARRAYREF示例

示例#1

文件： system.cpp 项目： KevinRansom/coreclr

FCIMPL0(Object*, SystemNative::GetCommandLineArgs)
{
    FCALL_CONTRACT;

    PTRARRAYREF strArray = NULL;

    HELPER_METHOD_FRAME_BEGIN_RET_1(strArray);

    LPWSTR commandLine;

    commandLine = WszGetCommandLine();
    if (commandLine==NULL)
        COMPlusThrowOM();

    DWORD numArgs = 0;
    LPWSTR* argv = SegmentCommandLine(commandLine, &numArgs);
    if (!argv)
        COMPlusThrowOM();

    _ASSERTE(numArgs > 0);

    strArray = (PTRARRAYREF) AllocateObjectArray(numArgs, g_pStringClass);
    // Copy each argument into new Strings.
    for(unsigned int i=0; i<numArgs; i++)
    {
        STRINGREF str = StringObject::NewString(argv[i]);
        STRINGREF * destData = ((STRINGREF*)(strArray->GetDataPtr())) + i;
        SetObjectReference((OBJECTREF*)destData, (OBJECTREF)str, strArray->GetAppDomain());
    }
    delete [] argv;

    HELPER_METHOD_FRAME_END();

    return OBJECTREFToObject(strArray);
}

示例#2

文件： synchronizationcontextnative.cpp 项目： Anupam-/shared-source-cli-2.0

FCIMPL3(DWORD, SynchronizationContextNative::WaitHelper, PTRArray *handleArrayUNSAFE, CLR_BOOL waitAll, DWORD millis)
{
    DWORD ret = 0;

    PTRARRAYREF handleArrayObj = (PTRARRAYREF) handleArrayUNSAFE;
    HELPER_METHOD_FRAME_BEGIN_RET_1(handleArrayObj);
    
    CONTRACTL
    {
        GC_TRIGGERS;
        THROWS;
        MODE_COOPERATIVE;
        SO_TOLERANT;
    }
    CONTRACTL_END;

    CQuickArray<HANDLE> qbHandles;
    int cHandles = handleArrayObj->GetNumComponents();

    // Since DoAppropriateWait could cause a GC, we need to copy the handles to an unmanaged block
    // of memory to ensure they aren't relocated during the call to DoAppropriateWait.
    qbHandles.AllocThrows(cHandles);
    memcpy(qbHandles.Ptr(), handleArrayObj->GetDataPtr(), cHandles * sizeof(HANDLE));

    Thread * pThread = GetThread();
    ret = pThread->DoAppropriateWait(cHandles, qbHandles.Ptr(), waitAll, millis, 
                                     (WaitMode)(WaitMode_Alertable | WaitMode_IgnoreSyncCtx));
    
    HELPER_METHOD_FRAME_END();
    return ret;
}