183 lines
5 KiB
C
183 lines
5 KiB
C
/*
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Copyright (c) 1998-2000 Microsoft Corporation. All rights reserved.
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*/
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#ifndef _KernHelp_
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#define _KernHelp_
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// Use kernel mutex to implement critical section
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//
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typedef KMUTEX CRITICAL_SECTION;
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typedef CRITICAL_SECTION *LPCRITICAL_SECTION;
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VOID InitializeCriticalSection( LPCRITICAL_SECTION);
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VOID EnterCriticalSection( LPCRITICAL_SECTION);
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VOID LeaveCriticalSection( LPCRITICAL_SECTION);
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VOID DeleteCriticalSection( LPCRITICAL_SECTION);
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// We have very little registry work to do, so just encapsulate the
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// entire process
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//
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int GetRegValueDword(LPTSTR RegPath,LPTSTR ValueName,PULONG Value);
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ULONG GetTheCurrentTime();
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PVOID KernHelpGetSysAddrForMdl(PMDL pMdl);
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#ifndef _NEW_DELETE_OPERATORS_
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#define _NEW_DELETE_OPERATORS_
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/*****************************************************************************
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* operator new()
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*****************************************************************************
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* Overload new to allocate from PagedPool, with our pooltag.
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*/
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inline void* __cdecl operator new
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(
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size_t iSize
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)
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{
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// @@BEGIN_DDKSPLIT -- This section will be removed in the DDK sample. See ddkreadme.txt for more info.
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PVOID result = ExAllocatePoolWithTag(PagedPool, iSize, 'ySmD');
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#if 0 // The following section will only take effect in the DDK sample.
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// @@END_DDKSPLIT
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// Replace 'ySkD' with a tag appropriate to your product.
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PVOID result = ExAllocatePoolWithTag(PagedPool, iSize, 'ySkD');
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// @@BEGIN_DDKSPLIT -- This section will be removed in the DDK sample.
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#endif
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// @@END_DDKSPLIT
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if (result)
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{
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RtlZeroMemory(result, iSize);
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}
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#if DBG
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else
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{
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_DbgPrintF(DEBUGLVL_TERSE, ("Couldn't allocate paged pool: %d bytes", iSize));
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}
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#endif // DBG
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return result;
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}
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/*****************************************************************************
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* operator new
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*****************************************************************************
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* Overload new to allocate with our pooltag.
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* Allocates from PagedPool or NonPagedPool, as specified.
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*/
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inline PVOID operator new
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(
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size_t iSize,
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POOL_TYPE poolType
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)
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{
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// @@BEGIN_DDKSPLIT -- This section will be removed in the DDK sample. See ddkreadme.txt for more info.
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PVOID result = ExAllocatePoolWithTag(poolType, iSize, 'ySmD');
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#if 0 // The following section will only take effect in the DDK sample.
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// @@END_DDKSPLIT
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// Replace 'ySkD' with a tag appropriate to your product.
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PVOID result = ExAllocatePoolWithTag(PagedPool, iSize, 'ySkD');
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// @@BEGIN_DDKSPLIT -- This section will be removed in the DDK sample.
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#endif
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// @@END_DDKSPLIT
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if (result)
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{
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RtlZeroMemory(result, iSize);
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}
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#if DBG
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else
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{
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_DbgPrintF(DEBUGLVL_TERSE, ("Couldn't allocate poolType(%d): %d bytes", (ULONG)poolType, iSize));
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}
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#endif // DBG
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return result;
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}
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/*****************************************************************************
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* operator new()
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*****************************************************************************
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* Overload new to allocate with a specified allocation tag.
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* Allocates from PagedPool or NonPagedPool, as specified.
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*/
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inline PVOID operator new
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(
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size_t iSize,
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POOL_TYPE poolType,
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ULONG tag
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)
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{
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PVOID result = ExAllocatePoolWithTag(poolType, iSize, tag);
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if (result)
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{
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RtlZeroMemory(result,iSize);
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}
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#if DBG
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else
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{
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_DbgPrintF(DEBUGLVL_TERSE, ("Couldn't allocate tagged poolType(%d): %d bytes",
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(ULONG)poolType, iSize));
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}
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#endif // DBG
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return result;
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}
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/*****************************************************************************
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* operator delete()
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*****************************************************************************
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* Delete function.
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*/
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inline void __cdecl operator delete
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(
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PVOID pVoid
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)
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{
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ExFreePool(pVoid);
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}
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#endif //!_NEW_DELETE_OPERATORS_
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// Debug trace facility
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//
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#define DM_DEBUG_CRITICAL DEBUGLVL_ERROR // Used to include critical messages
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#define DM_DEBUG_NON_CRITICAL DEBUGLVL_TERSE // Used to include level 1 plus important non-critical messages
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#define DM_DEBUG_STATUS DEBUGLVL_VERBOSE // Used to include level 1 and level 2 plus status\state messages
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#define DM_DEBUG_FUNC_FLOW DEBUGLVL_BLAB // Used to include level 1, level 2 and level 3 plus function flow messages
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#define DM_DEBUG_ALL DEBUGLVL_BLAB // Used to include all debug messages
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#if DBG
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#define Trace
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#define Trace0(lvl, fstr) \
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_DbgPrintF(lvl, (fstr))
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#define Trace1(lvl, fstr, arg1) \
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_DbgPrintF(lvl, (fstr, arg1))
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#define Trace2(lvl, fstr, arg1, arg2) \
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_DbgPrintF(lvl, (fstr, arg1, arg2))
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#define Trace3(lvl, fstr, arg1, arg2, arg3) \
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_DbgPrintF(lvl, (fstr, arg1, arg2, arg3))
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#define Trace4(lvl, fstr, arg1, arg2, arg3, arg4) \
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_DbgPrintF(lvl, (fstr, arg1, arg2, arg3, arg4))
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#else
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#define Trace
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#define Trace0
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#define Trace1
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#define Trace2
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#define Trace3
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#define Trace4
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#endif
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#define assert ASSERT
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// Paramter validation unused
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//
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#define V_INAME(x)
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#define V_BUFPTR_READ(p,cb)
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#endif // _KernHelp_
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