89 lines
2.0 KiB
C++
89 lines
2.0 KiB
C++
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/*++
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Copyright (c) 1997 Microsoft Corporation
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Module Name :
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iperfctr.hxx
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Abstract:
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This file defines macros to use for performance counters
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Author:
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Murali R. Krishnan ( MuraliK ) 28-Feb-1997
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Environment:
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User Mode - Win32
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Project:
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Internet Server DLL
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Revision History:
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Prefix:
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IP* - Internet Information Server Performance *
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--*/
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# ifndef _IPERFCTR_HXX_
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# define _IPERFCTR_HXX_
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/************************************************************
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* Include Headers
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************************************************************/
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/************************************************************
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* Macro Definitions
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************************************************************/
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// define the IP_ENABLE_COUNTERS if you need perf counters
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# ifdef IP_ENABLE_COUNTERS
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// Defines a counter object - in future I need to build a fan-out counters
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# define IP_DEFUN_COUNTER( name ) \
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LONG name
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# define IP_INCREMENT_COUNTER( name) \
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InterlockedIncrement( (LPLONG ) &name)
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# define IP_DECREMENT_COUNTER( name) \
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InterlockedDecrement( (LPLONG ) &name)
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# define IP_SET_COUNTER( name, val) \
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InterlockedExchange( (LPLONG ) &name, val)
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// return the value directly
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# define IP_COUNTER_VALUE( name) \
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(name)
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# else // IP_ENABLE_COUNTERS
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//
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// If the counters are disabled i.e., IP_ENABLE_COUNTERS == FALSE
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// => do not set these counters.
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// All the macros default to no work to be done.
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//
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# define IP_DEFUN_COUNTER( name ) /* do nothing */
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# define IP_INCREMENT_COUNTER( name) /* do nothing */
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# define IP_DECREMENT_COUNTER( name) /* do nothing */
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# define IP_SET_COUNTER( name, val) /* as usual do nothing! */
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# define IP_COUNTER_VALUE( name) ( 0) // return value as 0 => invalid
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# endif // IP_ENABLE_COUNTERS
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# endif // _IPERFCTR_HXX_
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/************************ End of File ***********************/
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