| 1 | /**************************************************************************
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| 2 | *
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| 3 | * timing.h -- Program timing routines
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| 4 | * Copyright (C) 1994 Neil Sharman
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| 5 | *
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| 6 | * This program is free software; you can redistribute it and/or modify
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| 7 | * it under the terms of the GNU General Public License as published by
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| 8 | * the Free Software Foundation; either version 2 of the License, or
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| 9 | * (at your option) any later version.
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| 10 | *
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| 11 | * This program is distributed in the hope that it will be useful,
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| 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 14 | * GNU General Public License for more details.
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| 15 | *
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| 16 | * You should have received a copy of the GNU General Public License
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| 17 | * along with this program; if not, write to the Free Software
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| 18 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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| 19 | *
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| 20 | * $Id: timing.h 3745 2003-02-20 21:20:24Z mdewsnip $
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| 21 | *
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| 22 | **************************************************************************/
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| 23 |
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| 24 | #ifndef H_TIMING
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| 25 | #define H_TIMING
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| 26 |
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| 27 |
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| 28 | #ifdef HAVE_TIMES
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| 29 | # if TIME_WITH_SYS_TIME
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| 30 | # include <sys/times.h>
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| 31 | # include <time.h>
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| 32 | # ifndef CLK_TCK
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| 33 | # define CLK_TCK sysconf(_SC_CLK_TCK)
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| 34 | # endif
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| 35 | # else
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| 36 | # if HAVE_SYS_TIME_H
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| 37 | # include <sys/time.h>
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| 38 | # else
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| 39 | # include <time.h>
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| 40 | # endif
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| 41 | # endif
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| 42 | #else
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| 43 | /* [RPAP - Feb 97: WIN32 Port] */
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| 44 | # ifdef __WIN32__
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| 45 | struct timeval { long tv_sec, tv_usec; };
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| 46 | # else
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| 47 | # include <sys/time.h>
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| 48 | # include <sys/resource.h>
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| 49 | # endif
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| 50 | #endif
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| 51 |
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| 52 |
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| 53 | typedef struct
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| 54 | {
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| 55 | double RealTime, CPUTime;
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| 56 | }
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| 57 | ProgTime;
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| 58 |
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| 59 | double RealTime (void);
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| 60 |
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| 61 | double CPUTime (double *user, double *sys);
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| 62 |
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| 63 | void GetTime (ProgTime * StartTime);
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| 64 |
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| 65 | /* FinishTime may be NULL */
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| 66 | char *ElapsedTime (ProgTime * StartTime, ProgTime * FinishTime);
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| 67 |
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| 68 | #ifdef HAVE_TIMES
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| 69 | char *cputime_string (clock_t clk);
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| 70 | #else
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| 71 | void time_normalise (struct timeval *t);
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| 72 | char *cputime_string (struct timeval *t);
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| 73 | #endif
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| 74 |
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| 75 | #endif
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