windows-nt/Source/XPSP1/NT/net/upnp/ssdp/ssdpapi/cache.cpp

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2020-09-26 03:20:57 -05:00
//+---------------------------------------------------------------------------
//
// Microsoft Windows
// Copyright (C) Microsoft Corporation, 1997.
//
// File: C A C H E . C P P
//
// Contents: Public APIs dealing with SSDP cache
//
// Notes:
//
// Author: tongl 18 Jan 2000
//
//----------------------------------------------------------------------------
#include <pch.h>
#pragma hdrstop
#include "ssdpapi.h"
#include "common.h"
#include "ncdefine.h"
#include "ncdebug.h"
#include <rpcasync.h> // I_RpcExceptionFilter
extern LONG cInitialized;
//+---------------------------------------------------------------------------
//
// Function: CleanupCache
//
// Purpose: Public API to clean up SSDP cache
//
BOOL WINAPI CleanupCache()
{
ULONG ulStatus = NOERROR;
BOOL fResult = FALSE;
if (InterlockedExchange(&cInitialized, cInitialized) == 0)
{
SetLastError(ERROR_NOT_READY);
return FALSE;
}
RpcTryExcept
{
CleanupCacheRpc();
fResult = TRUE;
}
RpcExcept(I_RpcExceptionFilter(RpcExceptionCode()))
{
ulStatus = RpcExceptionCode();
}
RpcEndExcept
{
SetLastError(ulStatus);
}
TraceResult("CleanupCache", fResult);
return fResult;
}