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151 lines
7.8 KiB
151 lines
7.8 KiB
/*
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Copyright (c) 1992 Microsoft Corporation
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Module Name:
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fwddecl.h
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Abstract:
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This file defines dummy structures to avoid the circular relationships in
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header files.
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Author:
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Jameel Hyder (microsoft!jameelh)
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Revision History:
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2 Oct 1992 Initial Version
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Notes: Tab stop: 4
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--*/
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#ifndef _FWDDECL_
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#define _FWDDECL_
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struct _SessDataArea;
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struct _ConnDesc;
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struct _VolDesc;
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struct _FileDirParms;
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struct _PathMapEntity;
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struct _DirFileEntry;
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struct _FileDirParms;
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struct _IoPoolHdr;
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struct _IoPool;
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//
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// enable asserts when running checked stack on free builds
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//
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#if DBG
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#ifdef ASSERT
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#undef ASSERT
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#endif
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#define ASSERT(exp) \
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{ \
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if (!(exp)) \
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{ \
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DbgPrint( "\n*** Assertion failed: %s (File %s, line %ld)\n", \
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(exp),__FILE__, __LINE__); \
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\
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DbgBreakPoint(); \
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} \
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}
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#endif
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// Spinlock macros
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#if DBG
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#define INITIALIZE_SPIN_LOCK(_pLock) \
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{ \
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KeInitializeSpinLock(&(_pLock)->SpinLock); \
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(_pLock)->FileLineLock = 0; \
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}
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#else // DBG
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#define INITIALIZE_SPIN_LOCK(_pLock) \
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{ \
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KeInitializeSpinLock(&(_pLock)->SpinLock); \
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}
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#endif
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#if DBG
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#define ACQUIRE_SPIN_LOCK(_pLock, _pOldIrql) \
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{ \
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KeAcquireSpinLock(&(_pLock)->SpinLock, \
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_pOldIrql); \
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(_pLock)->FileLineLock = (FILENUM | __LINE__); \
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}
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#define ACQUIRE_SPIN_LOCK_AT_DPC(_pLock) \
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{ \
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ASSERT(KeGetCurrentIrql() == DISPATCH_LEVEL); \
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KeAcquireSpinLockAtDpcLevel(&(_pLock)->SpinLock); \
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(_pLock)->FileLineLock = (FILENUM | __LINE__ | 0x80000000); \
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}
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#define RELEASE_SPIN_LOCK(_pLock, _OldIrql) \
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{ \
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ASSERT ((_pLock)->FileLineLock != 0); \
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ASSERT (((_pLock)->FileLineLock & 0x80000000) == 0); \
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(_pLock)->FileLineLock = 0; \
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(_pLock)->FileLineUnlock = (FILENUM | __LINE__); \
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KeReleaseSpinLock(&(_pLock)->SpinLock, \
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_OldIrql); \
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}
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#define RELEASE_SPIN_LOCK_FROM_DPC(_pLock) \
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{ \
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ASSERT ((_pLock)->FileLineLock != 0); \
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ASSERT ((_pLock)->FileLineLock & 0x80000000); \
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(_pLock)->FileLineLock = 0; \
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(_pLock)->FileLineUnlock = (FILENUM | __LINE__ | 0x80000000); \
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KeReleaseSpinLockFromDpcLevel(&(_pLock)->SpinLock); \
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ASSERT(KeGetCurrentIrql() == DISPATCH_LEVEL); \
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}
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#else // DBG
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#define ACQUIRE_SPIN_LOCK(_pLock, _pOldIrql) \
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{ \
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KeAcquireSpinLock(&(_pLock)->SpinLock, \
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_pOldIrql); \
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}
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#define ACQUIRE_SPIN_LOCK_AT_DPC(_pLock) \
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{ \
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KeAcquireSpinLockAtDpcLevel(&(_pLock)->SpinLock); \
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}
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#define RELEASE_SPIN_LOCK(_pLock, _OldIrql) \
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{ \
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KeReleaseSpinLock(&(_pLock)->SpinLock, \
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(_OldIrql)); \
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}
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#define RELEASE_SPIN_LOCK_FROM_DPC(_pLock) \
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{ \
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KeReleaseSpinLockFromDpcLevel(&(_pLock)->SpinLock); \
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} \
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#endif // DBG
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typedef struct
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{
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KSPIN_LOCK SpinLock;
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#if DBG
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ULONG FileLineLock;
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ULONG FileLineUnlock;
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#endif
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} AFP_SPIN_LOCK, *PAFP_SPIN_LOCK;
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#endif // _FWDDECL_
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