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163 lines
2.9 KiB
163 lines
2.9 KiB
/*++
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Copyright (c) 1997 - 98, Microsoft Corporation
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Module Name:
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rtmhndl.c
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Abstract:
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Contains routines for operating on handles
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to RTM objects like routes and dests.
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Author:
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Chaitanya Kodeboyina (chaitk) 23-Aug-1998
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Revision History:
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--*/
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#include "pchrtm.h"
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#pragma hdrstop
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DWORD
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WINAPI
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RtmReferenceHandles (
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IN RTM_ENTITY_HANDLE RtmRegHandle,
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IN UINT NumHandles,
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IN HANDLE *RtmHandles
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)
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/*++
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Routine Description:
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Increment the reference count on objects pointed to by
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input RTM handles.
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Arguments:
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RtmRegHandle - RTM registration handle for calling entity,
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NumHandles - Number of handles that are being referenced,
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RtmHandles - Array of handles that are being referenced.
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Return Value:
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Status of the operation
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--*/
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{
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PENTITY_INFO Entity;
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POBJECT_HEADER Object;
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UINT i;
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DBG_VALIDATE_ENTITY_HANDLE(RtmRegHandle, &Entity);
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//
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// Reference each handle in input array
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//
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for (i = 0; i < NumHandles; i++)
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{
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Object = GET_POINTER_FROM_HANDLE(RtmHandles[i]);
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#if DBG_HDL
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try
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{
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if (Object->TypeSign != OBJECT_SIGNATURE[atoi(&Object->Type)])
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{
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continue;
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}
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}
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except(EXCEPTION_EXECUTE_HANDLER)
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{
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continue;
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}
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#endif
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ReferenceObject(Object, HANDLE_REF);
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}
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return NO_ERROR;
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}
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DWORD
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WINAPI
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RtmDereferenceHandles (
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IN RTM_ENTITY_HANDLE RtmRegHandle,
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IN UINT NumHandles,
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IN HANDLE *RtmHandles
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)
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/*++
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Routine Description:
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Decrement the reference count on objects pointed to by
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input RTM handles.
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Arguments:
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RtmRegHandle - RTM registration handle for calling entity,
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NumHandles - Number of handles that are being dereferenced,
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RtmHandles - Array of handles that are being dereferenced.
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Return Value:
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Status of the operation
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--*/
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{
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PENTITY_INFO Entity;
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POBJECT_HEADER Object;
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UINT i;
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DBG_VALIDATE_ENTITY_HANDLE(RtmRegHandle, &Entity);
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//
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// Dereference each handle in input array
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//
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for (i = 0; i < NumHandles; i++)
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{
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Object = GET_POINTER_FROM_HANDLE(RtmHandles[i]);
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#if DBG_HDL
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try
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{
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if (Object->TypeSign != OBJECT_SIGNATURE[atoi(&Object->Type)])
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{
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continue;
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}
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}
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except(EXCEPTION_EXECUTE_HANDLER)
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{
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continue;
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}
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#endif
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//
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// This function can be used only if you know
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// that the reference count does not go to 0
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//
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if (DereferenceObject(Object, HANDLE_REF) == 0)
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{
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ASSERT(FALSE); // ? Destroy which object ?
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}
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}
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return NO_ERROR;
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}
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