Source code of Windows XP (NT5)
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/*++ BUILD Version: 0000 // Increment this if a change has global effects
Copyright (c) 1989 Microsoft Corporation
Module Name:
LfsData.c
Abstract:
This module declares the global data used by the Log File Service.
Author:
Brian Andrew [BrianAn] 20-June-1991
Revision History:
--*/
#ifndef _LFSDATA_
#define _LFSDATA_
//
// The global Lfs data record
//
extern LFS_DATA LfsData;
//
// Various large integer constants.
//
#define LfsMaximumFileSize (0x0000000100000000)
extern LARGE_INTEGER LfsLi0;
extern LARGE_INTEGER LfsLi1;
//
// The following Lsn is used as a starting point in the file.
//
extern LSN LfsStartingLsn;
#ifdef LFS_CLUSTER_CHECK
//
// Check for gaps in the log.
//
extern BOOLEAN LfsTestBreakOnAnyError;
extern BOOLEAN LfsTestCheckLbcb;
#endif
//
// Turn on pseudo-asserts if NTFS_FREE_ASSERTS is defined.
//
#if !DBG
#ifdef NTFS_FREE_ASSERTS
#undef ASSERT
#undef ASSERTMSG
#define ASSERT(exp) if (!(exp)) { extern PBOOLEAN KdDebuggerEnabled; DbgPrint("%s:%d %s\n",__FILE__,__LINE__,#exp); if (*KdDebuggerEnabled) { DbgBreakPoint(); } }
#define ASSERTMSG(msg,exp) if (!(exp)) { extern PBOOLEAN KdDebuggerEnabled; DbgPrint("%s:%d %s %s\n",__FILE__,__LINE__,msg,#exp); if (*KdDebuggerEnabled) { DbgBreakPoint(); } }
#endif
#endif
//
// The global Lfs debug level variable, its values are:
//
// 0x00000000 Always gets printed (used when about to bug check)
//
// 0x00000001 Error conditions
// 0x00000002 Debug hooks
// 0x00000004 Catch exceptions before completing Irp
// 0x00000008 Unwinding during error conditions
//
// 0x00000010 Lfs initialization
// 0x00000020 Lfs query log records
// 0x00000040 Lfs write log records
// 0x00000080 Lfs registry routines
//
// 0x00000100 Lfs worker thread routines
// 0x00000200
// 0x00000400
// 0x00000800
//
// 0x00001000 Log page support routines
// 0x00002000 Lsn support routines
// 0x00004000 Miscellaneous support routines
// 0x00008000 Support routines for cache operations
//
// 0x00010000 Structure support routines
// 0x00020000 Verify/validate support routines
// 0x00040000 Synchronization routines
// 0x00080000 Log buffer support routines
//
// 0x00100000 Support routines for manipulating log records
// 0x00200000 Support routines for manipulation lfs restart areas
// 0x00400000 Support routines for client restart operations
// 0x00800000
//
// 0x01000000
// 0x02000000
// 0x04000000
// 0x08000000
//
// 0x10000000
// 0x20000000
// 0x40000000
// 0x80000000
//
#ifdef LFSDBG
#define DEBUG_TRACE_ERROR (0x00000001)
#define DEBUG_TRACE_DEBUG_HOOKS (0x00000002)
#define DEBUG_TRACE_CATCH_EXCEPTIONS (0x00000004)
#define DEBUG_TRACE_UNWIND (0x00000008)
#define DEBUG_TRACE_INITIALIZATION (0x00000010)
#define DEBUG_TRACE_QUERY (0x00000020)
#define DEBUG_TRACE_WRITE (0x00000040)
#define DEBUG_TRACE_RESTART (0x00000080)
#define DEBUG_TRACE_REGISTRY (0x00000100)
#define DEBUG_TRACE_WORKER (0x00000200)
#define DEBUG_TRACE_0x00000400 (0x00000400)
#define DEBUG_TRACE_0x00000800 (0x00000800)
#define DEBUG_TRACE_LOG_PAGE_SUP (0x00001000)
#define DEBUG_TRACE_LSN_SUP (0x00002000)
#define DEBUG_TRACE_MISC_SUP (0x00004000)
#define DEBUG_TRACE_CACHE_SUP (0x00008000)
#define DEBUG_TRACE_STRUC_SUP (0x00010000)
#define DEBUG_TRACE_VERIFY_SUP (0x00020000)
#define DEBUG_TRACE_SYNCH_SUP (0x00040000)
#define DEBUG_TRACE_LBCB_SUP (0x00080000)
#define DEBUG_TRACE_LOG_RECORD_SUP (0x00100000)
#define DEBUG_TRACE_RESTART_SUP (0x00200000)
#define DEBUG_TRACE_0x00400000 (0x00400000)
#define DEBUG_TRACE_0x00800000 (0x00800000)
#define DEBUG_TRACE_0x01000000 (0x01000000)
#define DEBUG_TRACE_0x02000000 (0x02000000)
#define DEBUG_TRACE_0x04000000 (0x04000000)
#define DEBUG_TRACE_0x08000000 (0x08000000)
#define DEBUG_TRACE_0x10000000 (0x10000000)
#define DEBUG_TRACE_0x20000000 (0x20000000)
#define DEBUG_TRACE_0x40000000 (0x40000000)
#define DEBUG_TRACE_0x80000000 (0x80000000)
extern LONG LfsDebugTraceLevel;
extern LONG LfsDebugTraceIndent;
#define DebugTrace(INDENT,LEVEL,X,Y) { \
LONG _i; \
if (((LEVEL) == 0) || (LfsDebugTraceLevel & (LEVEL))) { \
_i = (ULONG)PsGetCurrentThread(); \
DbgPrint("%08lx:",_i); \
if ((INDENT) < 0) { \
LfsDebugTraceIndent += (INDENT); \
} \
if (LfsDebugTraceIndent < 0) { \
LfsDebugTraceIndent = 0; \
} \
for (_i = 0; _i < LfsDebugTraceIndent; _i += 1) { \
DbgPrint(" "); \
} \
DbgPrint(X,Y); \
if ((INDENT) > 0) { \
LfsDebugTraceIndent += (INDENT); \
} \
} \
}
#define DebugDump(STR,LEVEL,PTR) { \
ULONG _i; \
VOID LfsDump(); \
if (((LEVEL) == 0) || (LfsDebugTraceLevel & (LEVEL))) { \
_i = (ULONG)PsGetCurrentThread(); \
DbgPrint("%08lx:",_i); \
DbgPrint(STR); \
if (PTR != NULL) {LfsDump(PTR);} \
DbgBreakPoint(); \
} \
}
#define DebugUnwind(X) { \
if (AbnormalTermination()) { \
DebugTrace(0, DEBUG_TRACE_UNWIND, #X ", Abnormal termination.\n", 0); \
} \
}
#define DebugDoit(X) {X;}
#else
#define DebugTrace(INDENT,LEVEL,X,Y) {NOTHING;}
#define DebugDump(STR,LEVEL,PTR) {NOTHING;}
#define DebugUnwind(X) {NOTHING;}
#define DebugDoit(X) {NOTHING;}
#endif // LFSDBG
#endif // _LFSDATA_