85 lines
2 KiB
C
85 lines
2 KiB
C
/*++
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Copyright (c) 1999 Microsoft Corporation
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Module Name:
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umkm.h
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Abstract:
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Macros to simplify usermode & kernelmode shared code.
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Author:
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Scott Field (sfield) 19-Sep-99
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--*/
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#ifndef __UMKM_H__
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#define __UMKM_H__
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#ifndef KMODE_RNG
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#define __LOCK_TYPE CRITICAL_SECTION
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#define INIT_LOCK(x) InitializeCriticalSection(x)
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//#define INIT_LOCK(x) InitializeCriticalSectionAndSpinCount(x, 0x333)
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#define DELETE_LOCK(x) DeleteCriticalSection(x)
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#define ENTER_LOCK(x) EnterCriticalSection(x)
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#define LEAVE_LOCK(x) LeaveCriticalSection(x)
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#define ALLOC(cb) HeapAlloc(GetProcessHeap(), 0, cb)
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#define ALLOC_NP(cb) ALLOC(cb)
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#define FREE(pv) HeapFree(GetProcessHeap(), 0, pv)
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#define REGCLOSEKEY(x) RegCloseKey( x )
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#ifdef WIN95_RNG
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PVOID
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InterlockedCompareExchangePointerWin95(
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PVOID *Destination,
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PVOID Exchange,
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PVOID Comperand
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);
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#define INTERLOCKEDCOMPAREEXCHANGEPOINTER(x,y,z) InterlockedCompareExchangePointerWin95(x,y,z)
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#else
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#define INTERLOCKEDCOMPAREEXCHANGEPOINTER(x,y,z) InterlockedCompareExchangePointer(x,y,z)
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#endif // WIN95_RNG
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#else
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//#define __LOCK_TYPE KSPIN_LOCK
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#define __LOCK_TYPE ERESOURCE
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#define RNG_TAG 'cesK'
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//#define INIT_LOCK(x) KeInitializeSpinLock( x )
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//#define DELETE_LOCK(x)
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//#define ENTER_LOCK(x) ExAcquireSpinLock( x, &OldIrql )
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//#define LEAVE_LOCK(x) ExReleaseSpinLock( x, OldIrql )
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#define ALLOC(cb) ExAllocatePoolWithTag(PagedPool, cb, RNG_TAG)
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#define ALLOC_NP(cb) ExAllocatePoolWithTag(NonPagedPool, cb, RNG_TAG)
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#define FREE(pv) ExFreePool(pv)
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#define INIT_LOCK(x) ExInitializeResourceLite( x )
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#define DELETE_LOCK(x) ExDeleteResourceLite( x )
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#define ENTER_LOCK(x) KeEnterCriticalRegion(); ExAcquireResourceExclusiveLite( x, TRUE )
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#define LEAVE_LOCK(x) ExReleaseResourceLite( x ); KeLeaveCriticalRegion()
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#define REGCLOSEKEY(x) ZwClose( x )
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#define INTERLOCKEDCOMPAREEXCHANGEPOINTER(x,y,z) InterlockedCompareExchangePointer(x,y,z)
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#endif
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#endif // __UMKM_H__
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