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/* This file is part of the YAZ toolkit. * Copyright (C) Index Data. * All rights reserved. * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are met: * * * Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * Neither the name of Index Data nor the names of its contributors * may be used to endorse or promote products derived from this * software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND ANY * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE * DISCLAIMED. IN NO EVENT SHALL THE REGENTS AND CONTRIBUTORS BE LIABLE FOR ANY * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ /** * \file timing.h \brief Timing Utilities */ #ifndef YAZ_TIMING_H #define YAZ_TIMING_H #include <yaz/yconfig.h> YAZ_BEGIN_CDECL /** \brief YAZ timing handle (opaque type) */ typedef struct yaz_timing *yaz_timing_t; /** \brief create timing handle \returns timing handle \verbatim yaz_timing_t my = yaz_timing_create(); yaz_timing_start(my); do_work(); yaz_timing_stop(my); printf("real=%g user=%g sys=%g\n", yaz_timing_get_real(my), yaz_timing_get_user(my), yaz_timing_get_sys(my)); yaz_timing_destroy(my); \endverbatim */ YAZ_EXPORT yaz_timing_t yaz_timing_create(void); /** \brief start timer \param t timing handle */ YAZ_EXPORT void yaz_timing_start(yaz_timing_t t); /** \brief stop timer \param t timing handle Use yaz_timing_get_real, yaz_timing_get_user and yaz_timing_get_sys to fetch timing results. */ YAZ_EXPORT void yaz_timing_stop(yaz_timing_t t); /** \brief returns real time in seconds \param t timing handle \returns time in seconds */ YAZ_EXPORT double yaz_timing_get_real(yaz_timing_t t); /** \brief returns user time in seconds \param t timing handle \returns time in seconds */ YAZ_EXPORT double yaz_timing_get_user(yaz_timing_t t); /** \brief returns system time in seconds \param t timing handle \returns time in seconds */ YAZ_EXPORT double yaz_timing_get_sys(yaz_timing_t t); /** \brief destroys timing handle */ YAZ_EXPORT void yaz_timing_destroy(yaz_timing_t *tp); YAZ_END_CDECL #endif /* * Local variables: * c-basic-offset: 4 * c-file-style: "Stroustrup" * indent-tabs-mode: nil * End: * vim: shiftwidth=4 tabstop=8 expandtab */