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_CACHE_COUNTERS_HXX_
# define _IIS_CACHE_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.
AacOpenURIFiles = 0, CacOpenURI, CacCloseURI,
AacIISCacheMaxCounters // sentinel counter
} ENUM_IIS_CACHE_COUNTER;
#ifdef IIS_AUX_COUNTERS
# define NUM_AUX_COUNTERS (AacIISCacheMaxCounters)
extern LONG g_IISCacheAuxCounters[];
# define VAR_AUX_COUNTER (g_IISCacheAuxCounters)
//
// Macros for operating on these counters
//
# define AcIncrement( acCounter) \
(((acCounter) < NUM_AUX_COUNTERS) ? \ InterlockedIncrement( (VAR_AUX_COUNTER) + (acCounter)) : \ 0)
# define AcDecrement( acCounter) \
(((acCounter) < NUM_AUX_COUNTERS) ? \ InterlockedDecrement( (VAR_AUX_COUNTER) + (acCounter)) : \ 0)
# define AcCounter( acCounter) \
(((acCounter) < NUM_AUX_COUNTERS) ? (VAR_AUX_COUNTER)[acCounter] : 0)
# else // IIS_AUX_COUNTERS
# define NUM_AUX_COUNTERS (0)
# define VAR_AUX_COUNTER /* nothing */
# define AcIncrement( acCounter) (0) /* do nothing */
# define AcDecrement( acCounter) (0) /* do nothing */
# define AcCounter( acCounter) (0) /* do nothing */
#endif // IIS_AUX_COUNTERS
# endif // _IIS_CACHE_COUNTERS_HXX_
/************************ End of File ***********************/
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