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52 lines
No EOL
863 B
C++
52 lines
No EOL
863 B
C++
#include "AppRefCount.h"
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AppRefCount appRefCount;
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AppRefCount::AppRefCount()
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{
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refCount = 1;
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m_dwThread = 0;
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}
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STDMETHODIMP AppRefCount::QueryInterface(REFIID riid, PVOID *ppvObject)
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{
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if (!ppvObject)
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return E_POINTER;
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else if (IsEqualIID(riid, IID_IUnknown))
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*ppvObject = this;
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else
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{
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*ppvObject = NULL;
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return E_NOINTERFACE;
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}
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AddRef();
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return S_OK;
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}
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ULONG AppRefCount::AddRef(void)
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{
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return InterlockedIncrement(&refCount);
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}
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ULONG AppRefCount::Release(void)
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{
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LONG lRef = InterlockedDecrement(&refCount);
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if (lRef == 0) PostThreadMessage(m_dwThread, WM_NULL, 0, 0);
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return lRef;
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}
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int AppRefCount_CanQuit()
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{
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return appRefCount.refCount == 0;
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}
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void *InitAppRefCounterObject(DWORD threadId)
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{
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appRefCount.m_dwThread = threadId;
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return (IUnknown *)&appRefCount;
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}
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void AppRefCount_Release()
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{
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appRefCount.Release();
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} |