115 lines
2.1 KiB
C++
115 lines
2.1 KiB
C++
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/*++
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Copyright (c) 2000 Microsoft Corporation
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Module Name :
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UlDisconnect.hxx
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Abstract:
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Async context for disconnect notification
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Author:
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Bilal Alam (balam) 7-Jan-2000
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Environment:
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Win32 - User Mode
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Project:
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IIS Worker Process (web service)
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--*/
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#ifndef _ULDISCONNECT_HXX_
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#define _ULDISCONNECT_HXX_
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#include "asynccontext.hxx"
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#include <acache.hxx>
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#define UL_DISCONNECT_SIGNATURE CREATE_SIGNATURE( 'ULDs')
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#define UL_DISCONNECT_SIGNATURE_FREE CREATE_SIGNATURE( 'ulds')
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class UL_DISCONNECT_CONTEXT : public ASYNC_CONTEXT
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{
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public:
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UL_DISCONNECT_CONTEXT(
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PVOID pvContext
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)
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{
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_pvContext = pvContext;
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_dwSignature = UL_DISCONNECT_SIGNATURE;
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InterlockedIncrement( &sm_cOutstanding );
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}
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~UL_DISCONNECT_CONTEXT(
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VOID
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)
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{
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InterlockedDecrement( &sm_cOutstanding );
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_dwSignature = UL_DISCONNECT_SIGNATURE_FREE;
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}
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static
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VOID
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WaitForOutstandingDisconnects(
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VOID
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);
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static
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HRESULT
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Initialize(
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VOID
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);
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static
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VOID
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Terminate(
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VOID
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);
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VOID
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DoWork(
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DWORD cbData,
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DWORD dwError,
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LPOVERLAPPED lpo
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);
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BOOL
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CheckSignature(
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VOID
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) const
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{
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return _dwSignature == UL_DISCONNECT_SIGNATURE;
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}
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VOID *
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operator new(
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size_t size
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)
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{
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DBG_ASSERT( size == sizeof( UL_DISCONNECT_CONTEXT ) );
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DBG_ASSERT( sm_pachDisconnects != NULL );
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return sm_pachDisconnects->Alloc();
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}
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VOID
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operator delete(
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VOID * pUlDisconnect
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)
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{
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DBG_ASSERT( pUlDisconnect != NULL );
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DBG_ASSERT( sm_pachDisconnects != NULL );
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DBG_REQUIRE( sm_pachDisconnects->Free( pUlDisconnect ) );
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}
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private:
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DWORD _dwSignature;
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PVOID _pvContext;
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static LONG sm_cOutstanding;
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static ALLOC_CACHE_HANDLER* sm_pachDisconnects;
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};
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#endif
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