Leaked source code of windows server 2003
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/*
Copyright (c) 1992 Microsoft Corporation
Module Name:
fwddecl.h
Abstract:
This file defines dummy structures to avoid the circular relationships in
header files.
Author:
Jameel Hyder (microsoft!jameelh)
Revision History:
2 Oct 1992 Initial Version
Notes: Tab stop: 4
--*/
#ifndef _FWDDECL_
#define _FWDDECL_
struct _SessDataArea;
struct _ConnDesc;
struct _VolDesc;
struct _FileDirParms;
struct _PathMapEntity;
struct _DirFileEntry;
struct _FileDirParms;
struct _IoPoolHdr;
struct _IoPool;
//
// enable asserts when running checked stack on free builds
//
#if DBG
#ifdef ASSERT
#undef ASSERT
#endif
#define ASSERT(exp) \
{ \
if (!(exp)) \
{ \
DbgPrint( "\n*** Assertion failed: %s (File %s, line %ld)\n", \
(exp),__FILE__, __LINE__); \
\
DbgBreakPoint(); \
} \
}
#endif
// Spinlock macros
#if DBG
#define INITIALIZE_SPIN_LOCK(_pLock) \
{ \
KeInitializeSpinLock(&(_pLock)->SpinLock); \
(_pLock)->FileLineLock = 0; \
}
#else // DBG
#define INITIALIZE_SPIN_LOCK(_pLock) \
{ \
KeInitializeSpinLock(&(_pLock)->SpinLock); \
}
#endif
#if DBG
#define ACQUIRE_SPIN_LOCK(_pLock, _pOldIrql) \
{ \
KeAcquireSpinLock(&(_pLock)->SpinLock, \
_pOldIrql); \
(_pLock)->FileLineLock = (FILENUM | __LINE__); \
}
#define ACQUIRE_SPIN_LOCK_AT_DPC(_pLock) \
{ \
ASSERT(KeGetCurrentIrql() == DISPATCH_LEVEL); \
KeAcquireSpinLockAtDpcLevel(&(_pLock)->SpinLock); \
(_pLock)->FileLineLock = (FILENUM | __LINE__ | 0x80000000); \
}
#define RELEASE_SPIN_LOCK(_pLock, _OldIrql) \
{ \
ASSERT ((_pLock)->FileLineLock != 0); \
ASSERT (((_pLock)->FileLineLock & 0x80000000) == 0); \
(_pLock)->FileLineLock = 0; \
(_pLock)->FileLineUnlock = (FILENUM | __LINE__); \
KeReleaseSpinLock(&(_pLock)->SpinLock, \
_OldIrql); \
}
#define RELEASE_SPIN_LOCK_FROM_DPC(_pLock) \
{ \
ASSERT ((_pLock)->FileLineLock != 0); \
ASSERT ((_pLock)->FileLineLock & 0x80000000); \
(_pLock)->FileLineLock = 0; \
(_pLock)->FileLineUnlock = (FILENUM | __LINE__ | 0x80000000); \
KeReleaseSpinLockFromDpcLevel(&(_pLock)->SpinLock); \
ASSERT(KeGetCurrentIrql() == DISPATCH_LEVEL); \
}
#else // DBG
#define ACQUIRE_SPIN_LOCK(_pLock, _pOldIrql) \
{ \
KeAcquireSpinLock(&(_pLock)->SpinLock, \
_pOldIrql); \
}
#define ACQUIRE_SPIN_LOCK_AT_DPC(_pLock) \
{ \
KeAcquireSpinLockAtDpcLevel(&(_pLock)->SpinLock); \
}
#define RELEASE_SPIN_LOCK(_pLock, _OldIrql) \
{ \
KeReleaseSpinLock(&(_pLock)->SpinLock, \
(_OldIrql)); \
}
#define RELEASE_SPIN_LOCK_FROM_DPC(_pLock) \
{ \
KeReleaseSpinLockFromDpcLevel(&(_pLock)->SpinLock); \
} \
#endif // DBG
typedef struct
{
KSPIN_LOCK SpinLock;
#if DBG
ULONG FileLineLock;
ULONG FileLineUnlock;
#endif
} AFP_SPIN_LOCK, *PAFP_SPIN_LOCK;
#endif // _FWDDECL_