Leaked source code of windows server 2003
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106 lines
2.1 KiB

/*++
Copyright (C) 1996-2001 Microsoft Corporation
Module Name:
PROVINIT.CPP
Abstract:
This file implements the provider init sink
History:
--*/
#include "precomp.h"
#include <stdio.h>
#include <wbemcomn.h>
#include <sync.h>
#include <cominit.h>
#include "provinit.h"
ULONG STDMETHODCALLTYPE CProviderInitSink::AddRef()
{
CInCritSec ics(&m_cs);
return ++m_lRef;
}
ULONG STDMETHODCALLTYPE CProviderInitSink::Release()
{
EnterCriticalSection(&m_cs);
--m_lRef;
if(m_lRef == 0)
{
LeaveCriticalSection(&m_cs);
delete this;
}
else LeaveCriticalSection(&m_cs);
return 99;
}
HRESULT STDMETHODCALLTYPE CProviderInitSink::QueryInterface(REFIID riid,
void** ppv)
{
CInCritSec ics(&m_cs);
if(riid == IID_IUnknown || riid == IID_IWbemProviderInitSink)
{
*ppv = (IWbemProviderInitSink*)this;
AddRef();
return S_OK;
}
else return E_NOINTERFACE;
}
HRESULT STDMETHODCALLTYPE CProviderInitSink::SetStatus(long lStatus,
long lFlags)
{
CInCritSec ics(&m_cs);
if(lFlags != 0)
return WBEM_E_INVALID_PARAMETER;
if(SUCCEEDED(lStatus) && lStatus != WBEM_S_INITIALIZED)
{
// Partial initialization is not supported in this version
// =======================================================
return WBEM_S_NO_ERROR;
}
m_lStatus = lStatus;
SetEvent(m_hEvent);
return WBEM_S_NO_ERROR;
}
CProviderInitSink::CProviderInitSink() : m_lRef(0)
{
m_hEvent = CreateEvent(NULL, FALSE, FALSE, NULL);
}
CProviderInitSink::~CProviderInitSink()
{
CloseHandle(m_hEvent);
}
HRESULT CProviderInitSink::WaitForCompletion()
{
// Wait
// ====
DWORD dwRes = WbemWaitForSingleObject(m_hEvent, 300000);
if(dwRes != WAIT_OBJECT_0)
{
ERRORTRACE((LOG_WBEMCORE, "Provider initialization phase timed out\n"));
return WBEM_E_PROVIDER_LOAD_FAILURE;
}
return m_lStatus;
}