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a3c7ed0cab
Add missing initializer to mps_args_none. Change "char *" to "const char *" where necessary. Copied from Perforce Change: 183494 ServerID: perforce.ravenbrook.com
99 lines
3.6 KiB
C
99 lines
3.6 KiB
C
/* meter.h: METER INTERFACE
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*
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* $Id$
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* Copyright (c) 2001-2013 Ravenbrook Limited. See end of file for license.
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*
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* .sources: mps.design.metrics.
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*
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* .purpose: Defines an interface for creating "meters" that accumulate
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* the number, total and mean^2 of a set of data points. These
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* accumulators can be used to report on the number, total, average, and
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* variance of the data set.
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*/
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#ifndef meter_h
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#define meter_h
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#include "mpmtypes.h"
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#include "config.h"
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#include "misc.h"
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#include "mpslib.h"
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typedef struct MeterStruct *Meter;
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typedef struct MeterStruct
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{
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const char *name;
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Count count;
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double total;
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double meanSquared;
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Size min;
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Size max;
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} MeterStruct;
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extern void MeterInit(Meter meter, const char *name, void *owner);
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extern void MeterAccumulate(Meter meter, Size amount);
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extern Res MeterWrite(Meter meter, mps_lib_FILE *stream);
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extern void MeterEmit(Meter meter);
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#define METER_DECL(meter) STATISTIC_DECL(struct MeterStruct meter)
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#define METER_INIT(meter, init, owner) \
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BEGIN STATISTIC(MeterInit(&(meter), init, owner)); UNUSED(owner); END
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/* Hack: owner is typically only used for MeterInit */
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#define METER_ACC(meter, delta) \
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STATISTIC(MeterAccumulate(&(meter), delta))
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#if defined(STATISTICS)
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#define METER_WRITE(meter, stream) MeterWrite(&(meter), stream)
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#elif defined(STATISTICS_NONE)
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#define METER_WRITE(meter, stream) (ResOK)
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#else
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#error "No statistics configured."
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#endif
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#define METER_EMIT(meter) STATISTIC(MeterEmit(meter))
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#endif /* meter_h */
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/* C. COPYRIGHT AND LICENSE
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*
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* Copyright (C) 2001-2013 Ravenbrook Limited <http://www.ravenbrook.com/>.
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* All rights reserved. This is an open source license. Contact
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* Ravenbrook for commercial licensing options.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* 3. Redistributions in any form must be accompanied by information on how
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* to obtain complete source code for this software and any accompanying
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* software that uses this software. The source code must either be
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* included in the distribution or be available for no more than the cost
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* of distribution plus a nominal fee, and must be freely redistributable
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* under reasonable conditions. For an executable file, complete source
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* code means the source code for all modules it contains. It does not
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* include source code for modules or files that typically accompany the
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* major components of the operating system on which the executable file
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* runs.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
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* IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
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* PURPOSE, OR NON-INFRINGEMENT, ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT HOLDERS AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
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* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
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* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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