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72 lines
1.3 KiB
C++
72 lines
1.3 KiB
C++
/*
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ReactOS Kernel-Mode COM
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IUnknown implementations
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LICENSE
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Please see COPYING in the top-level directory for license information.
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AUTHORS
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Andrew Greenwood
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*/
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#include <stdunk.h>
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CUnknown::CUnknown(PUNKNOWN outer_unknown)
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{
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m_ref_count = 0;
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if ( outer_unknown )
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m_outer_unknown = outer_unknown;
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else
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m_outer_unknown = PUNKNOWN(dynamic_cast<PNONDELEGATINGUNKNOWN>(this));
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}
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CUnknown::~CUnknown()
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{
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}
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STDMETHODIMP_(ULONG)
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CUnknown::NonDelegatingAddRef()
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{
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InterlockedIncrement(&m_ref_count);
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return m_ref_count;
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}
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STDMETHODIMP_(ULONG)
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CUnknown::NonDelegatingRelease()
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{
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if ( InterlockedDecrement(&m_ref_count) == 0 )
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{
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m_ref_count ++;
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delete this;
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return 0;
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}
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return m_ref_count;
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}
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STDMETHODIMP_(NTSTATUS)
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CUnknown::NonDelegatingQueryInterface(
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IN REFIID iid,
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PVOID* ppVoid)
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{
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/* FIXME */
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#if 0
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if ( IsEqualGUID(iid, IID_IUnknown) ) /* TODO: Aligned? */
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*ppVoid = PVOID(PUNKNOWN(this));
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else
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*ppVoid = NULL;
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#endif
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if ( *ppVoid )
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{
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PUNKNOWN(*ppVoid)->AddRef();
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return STATUS_SUCCESS;
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}
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return STATUS_INVALID_PARAMETER;
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}
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#if __GNUC__
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extern "C" void __cxa_pure_virtual() { ASSERT(FALSE); }
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#endif
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