Source code of Windows XP (NT5)
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/*++
Copyright (c) 1995-1996 Microsoft Corporation
Module Name :
auxctrs.h
Abstract:
This module defines the auxiliary counters for Internet Common Services.
Author:
Murali R. Krishnan ( MuraliK ) 02-Apr-1996
Environment:
Windows NT - User Mode
Project:
Internet Services Common DLL
Revision History:
--*/
# ifndef _IIS_AUX_COUNTERS_HXX_
# define _IIS_AUX_COUNTERS_HXX_
/************************************************************
* Include Headers
************************************************************/
/************************************************************
* Symbolic Definitions
************************************************************/
/*++
Counters belong to two categories
1. Active Counter - one that counts up and down
It is expected that this counter consists of the current
active items and hence this should not be wildly high, unless
there are large # of counted objects.
2. Cumulative Counters - counts values up and up
This count value is used to measure the # of times event(s)
related to this counter occurred.
Naming Conventions:
prefixes used are: Aac & Cac
Aac - Active Auxiliary Counter
Cac - Cumulative Auxiliary Counter
Ac - Auxiliar Counter
--*/
typedef enum { // Ac - stands for Aux Counters.
CacBufferAllocs = 0,
CacBufferFrees,
CacBufferReallocs,
CacBufferCons, // constructed buffer class items
CacBufferDest, // destructed buffer class items
CacBufferLT32, // less than 32 byte allocs
CacBufferGE32, // >= 32
CacCopyLT16, // less than 16 byte allocs
CacCopyGE16, // >= 16
CacStringCons,
CacStringDest,
CacStringCopy,
CacStringAppend,
CacMultiszCopy,
CacMultiszAppend,
AacSBMaxCounters // sentinel counter
} ENUM_IIS_AUX_COUNTER;
# define NUM_AUX_COUNTERS (AacSBMaxCounters)
#ifdef IIS_AUX_COUNTERS
//
// Macros for operating on these counters
//
# define AcIncrement( acCounter) \
(((acCounter) < NUM_AUX_COUNTERS) ? \
InterlockedIncrement( g_SBAuxCounters+(acCounter)) : \
0)
# define AcDecrement( acCounter) \
(((acCounter) < NUM_AUX_COUNTERS) ? \
InterlockedDecrement( g_SBAuxCounters+(acCounter)) : \
0)
# define AcCounter( acCounter) \
(((acCounter) < NUM_AUX_COUNTERS) ? g_SBAuxCounters[acCounter] : 0)
extern LONG g_SBAuxCounters[];
# else // IIS_AUX_COUNTERS
# define AcIncrement( acCounter) (0) /* do nothing */
# define AcDecrement( acCounter) (0) /* do nothing */
# define AcCounter ( acCounter) (0) /* do nothing */
#endif // IIS_AUX_COUNTERS
# endif // _IIS_AUX_COUNTERS_HXX_
/************************ End of File ***********************/