60 lines
1.3 KiB
C++
60 lines
1.3 KiB
C++
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//******************************************************************************
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//
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// NEWOBJ.CPP
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//
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// Copyright (C) 1996-1999 Microsoft Corporation
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//
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//******************************************************************************
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#include "precomp.h"
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#include <stdio.h>
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#include "newobj.h"
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_IWmiObject* CInstanceManager::Clone(_IWmiObject* pOld)
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{
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CInCritSec ics(&m_cs);
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_IWmiObject* p = (_IWmiObject*)m_Available.Unqueue();
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if(p)
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{
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p->AddRef();
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pOld->CloneEx(0, p);
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return p;
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}
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else
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{
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IWbemClassObject* pNew;
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HRESULT hres = pOld->Clone(&pNew);
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if(FAILED(hres))
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return NULL;
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_IWmiObject* pNewEx;
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pNew->QueryInterface(IID__IWmiObject, (void**)&pNewEx);
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pNew->Release();
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//pNewEx->SetDelete((void*)&CInstanceManager::Delete, this);
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return pNewEx;
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}
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}
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// static
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void CInstanceManager::Delete(void* pArg, _IWmiObject* p)
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{
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CInstanceManager* pThis = (CInstanceManager*)pArg;
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CInCritSec ics(&pThis->m_cs);
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pThis->m_Available.Enqueue(p);
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}
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void CInstanceManager::Clear()
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{
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CInCritSec ics(&m_cs);
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_IWmiObject* p = NULL;
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while(p = (_IWmiObject*)m_Available.Unqueue())
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{
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p->AddRef();
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//p->SetDelete(NULL, NULL);
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p->Release();
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}
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}
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