/*
* Copyright (c) 2004 Michael David Adams.
* All rights reserved.
*/
/* __START_OF_JASPER_LICENSE__
*
* JasPer License Version 2.0
*
* Copyright (c) 2001-2006 Michael David Adams
* Copyright (c) 1999-2000 Image Power, Inc.
* Copyright (c) 1999-2000 The University of British Columbia
*
* All rights reserved.
*
* Permission is hereby granted, free of charge, to any person (the
* "User") obtaining a copy of this software and associated documentation
* files (the "Software"), to deal in the Software without restriction,
* including without limitation the rights to use, copy, modify, merge,
* publish, distribute, and/or sell copies of the Software, and to permit
* persons to whom the Software is furnished to do so, subject to the
* following conditions:
*
* 1. The above copyright notices and this permission notice (which
* includes the disclaimer below) shall be included in all copies or
* substantial portions of the Software.
*
* 2. The name of a copyright holder shall not be used to endorse or
* promote products derived from the Software without specific prior
* written permission.
*
* THIS DISCLAIMER OF WARRANTY CONSTITUTES AN ESSENTIAL PART OF THIS
* LICENSE. NO USE OF THE SOFTWARE IS AUTHORIZED HEREUNDER EXCEPT UNDER
* THIS DISCLAIMER. THE SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS
* "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
* BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A
* PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS. IN NO
* EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL
* INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING
* FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,
* NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION
* WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. NO ASSURANCES ARE
* PROVIDED BY THE COPYRIGHT HOLDERS THAT THE SOFTWARE DOES NOT INFRINGE
* THE PATENT OR OTHER INTELLECTUAL PROPERTY RIGHTS OF ANY OTHER ENTITY.
* EACH COPYRIGHT HOLDER DISCLAIMS ANY LIABILITY TO THE USER FOR CLAIMS
* BROUGHT BY ANY OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL
* PROPERTY RIGHTS OR OTHERWISE. AS A CONDITION TO EXERCISING THE RIGHTS
* GRANTED HEREUNDER, EACH USER HEREBY ASSUMES SOLE RESPONSIBILITY TO SECURE
* ANY OTHER INTELLECTUAL PROPERTY RIGHTS NEEDED, IF ANY. THE SOFTWARE
* IS NOT FAULT-TOLERANT AND IS NOT INTENDED FOR USE IN MISSION-CRITICAL
* SYSTEMS, SUCH AS THOSE USED IN THE OPERATION OF NUCLEAR FACILITIES,
* AIRCRAFT NAVIGATION OR COMMUNICATION SYSTEMS, AIR TRAFFIC CONTROL
* SYSTEMS, DIRECT LIFE SUPPORT MACHINES, OR WEAPONS SYSTEMS, IN WHICH
* THE FAILURE OF THE SOFTWARE OR SYSTEM COULD LEAD DIRECTLY TO DEATH,
* PERSONAL INJURY, OR SEVERE PHYSICAL OR ENVIRONMENTAL DAMAGE ("HIGH
* RISK ACTIVITIES"). THE COPYRIGHT HOLDERS SPECIFICALLY DISCLAIM ANY
* EXPRESS OR IMPLIED WARRANTY OF FITNESS FOR HIGH RISK ACTIVITIES.
*
* __END_OF_JASPER_LICENSE__
*/
/*
* Timing Routines
*
* $Id: jas_tmr.c,v 1.1 2008-05-26 09:40:51 vp153 Exp $
*/
/******************************************************************************\
* Includes.
\******************************************************************************/
#include <stdio.h>
#include <stdlib.h>
#include <time.h>
#include "jasper/jas_tmr.h"
/******************************************************************************\
* Code.
\******************************************************************************/
#if defined(HAVE_GETTIMEOFDAY)
void jas_tmr_start(jas_tmr_t *tmr)
{
if (gettimeofday(&tmr->start, 0)) {
abort();
}
}
void jas_tmr_stop(jas_tmr_t *tmr)
{
if (gettimeofday(&tmr->stop, 0)) {
abort();
}
}
double jas_tmr_get(jas_tmr_t *tmr)
{
double t0;
double t1;
t0 = ((double) tmr->start.tv_sec) + ((double) tmr->start.tv_usec) / 1e6;
t1 = ((double) tmr->stop.tv_sec) + ((double) tmr->stop.tv_usec) / 1e6;
return t1 - t0;
}
#elif defined(HAVE_GETRUSAGE)
void jas_tmr_start(jas_tmr_t *tmr)
{
if (getrusage(RUSAGE_SELF, &tmr->start) < 0) {
abort();
}
}
void jas_tmr_stop(jas_tmr_t *tmr)
{
if (getrusage(RUSAGE_SELF, &tmr->stop) < 0) {
abort();
}
}
double jas_tmr_get(jas_tmr_t *tmr)
{
double t;
t = ((tmr->stop.ru_utime.tv_sec * 1e6 + tmr->stop.ru_utime.tv_usec) -
(tmr->start.ru_utime.tv_sec * 1e6 + tmr->start.ru_utime.tv_usec)) / 1e6;
t += ((tmr->stop.ru_stime.tv_sec * 1e6 + tmr->stop.ru_stime.tv_usec) -
(tmr->start.ru_stime.tv_sec * 1e6 + tmr->start.ru_stime.tv_usec)) / 1e6;
return t;
}
#else
void jas_tmr_start(jas_tmr_t *tmr)
{
}
void jas_tmr_stop(jas_tmr_t *tmr)
{
}
double jas_tmr_get(jas_tmr_t *tmr)
{
return 0.0;
}
#endif