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Member "tin-2.6.2/include/stpwatch.h" (9 Dec 2022, 3544 Bytes) of package /linux/misc/tin-2.6.2.tar.xz:

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    1 /*
    2  *  Project   : tin - a Usenet reader
    3  *  Module    : stpwatch.h
    4  *  Author    : I. Lea
    5  *  Created   : 1993-08-03
    6  *  Updated   : 2008-11-22
    7  *  Notes     : Simple stopwatch routines for timing code using timeb
    8  *               or gettimeofday structs
    9  *
   10  * Copyright (c) 1993-2023 Iain Lea <iain@bricbrac.de>
   11  * All rights reserved.
   12  *
   13  * Redistribution and use in source and binary forms, with or without
   14  * modification, are permitted provided that the following conditions
   15  * are met:
   16  *
   17  * 1. Redistributions of source code must retain the above copyright notice,
   18  *    this list of conditions and the following disclaimer.
   19  *
   20  * 2. Redistributions in binary form must reproduce the above copyright
   21  *    notice, this list of conditions and the following disclaimer in the
   22  *    documentation and/or other materials provided with the distribution.
   23  *
   24  * 3. Neither the name of the copyright holder nor the names of its
   25  *    contributors may be used to endorse or promote products derived from
   26  *    this software without specific prior written permission.
   27  *
   28  * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
   29  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   30  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   31  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
   32  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
   33  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
   34  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
   35  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
   36  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
   37  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
   38  * POSSIBILITY OF SUCH DAMAGE.
   39  */
   40 
   41 
   42 #ifndef STPWATCH_H
   43 #   define STPWATCH_H 1
   44 
   45 #   ifdef PROFILE
   46 
   47 #       if defined(HAVE_SYS_TIMEB_H) && defined(HAVE_FTIME)
   48 #           include <sys/timeb.h>
   49 
   50 char msg_tb[LEN];
   51 char tmp_tb[LEN];
   52 struct timeb beg_tb;
   53 struct timeb end_tb;
   54 
   55 #           define LSECS 700000000  /* offset to keep numbers smaller (1992-03-07 20:26:40 UTC) */
   56 
   57 #           define BegStopWatch(msg)    {strcpy (msg_tb, msg); ftime (&beg_tb);}
   58 
   59 #           define EndStopWatch()       {ftime (&end_tb);}
   60 
   61 #           define PrintStopWatch() {sprintf (tmp_tb, "%s: Beg=[%ld.%d] End=[%ld.%d] Elap=[%ld ms]", \
   62                  msg_tb, beg_tb.time, beg_tb.millitm, \
   63                  end_tb.time, end_tb.millitm, \
   64                  (((end_tb.time - LSECS) * 1000) + end_tb.millitm) - \
   65                  (((beg_tb.time - LSECS) * 1000) + beg_tb.millitm)); \
   66                  error_message(2, tmp_tb);}
   67 
   68 #       else    /* HAVE_SYS_TIMEB_H && HAVE_FTIME */
   69 
   70 #       ifdef   HAVE_SYS_TIME_H
   71 #           include <sys/time.h>
   72 
   73 char msg_tb[LEN];
   74 char tmp_tb[LEN];
   75 float d_time;
   76 struct timeval beg_tb, end_tb;
   77 
   78 #           define BegStopWatch(msg)    {strcpy (msg_tb, msg); \
   79                  (void) gettimeofday (&beg_tb, NULL);}
   80 
   81 #           define EndStopWatch()       {(void) gettimeofday (&end_tb, NULL); \
   82                 if ((end_tb.tv_usec -= beg_tb.tv_usec) < 0) { \
   83                     end_tb.tv_sec--; \
   84                     end_tb.tv_usec += 1000000; \
   85                  } \
   86                  end_tb.tv_sec -= beg_tb.tv_sec; \
   87                  d_time = (end_tb.tv_sec * 1000.0 + ((float) end_tb.tv_usec) / 1000.0);}
   88 
   89 #           define PrintStopWatch() {sprintf (tmp_tb, "StopWatch(%s): %6.3f ms", msg_tb, d_time); \
   90                  error_message(2, tmp_tb);}
   91 
   92 #       endif /* HAVE_SYS_TIME_H */
   93 #   endif /* HAVE_SYS_TIMEB_H && HAVE_FTIME */
   94 
   95 #   else    /* PROFILE */
   96 
   97 #       define BegStopWatch(msg)
   98 #       define EndStopWatch()
   99 #       define PrintStopWatch()
  100 
  101 #   endif /* PROFILE */
  102 #endif /* !STPWATCH_H */