107 lines
3.0 KiB
C
107 lines
3.0 KiB
C
/*
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* CDE - Common Desktop Environment
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*
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* Copyright (c) 1993-2012, The Open Group. All rights reserved.
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*
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* These libraries and programs are free software; you can
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* redistribute them and/or modify them under the terms of the GNU
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* Lesser General Public License as published by the Free Software
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* Foundation; either version 2 of the License, or (at your option)
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* any later version.
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*
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* These libraries and programs are distributed in the hope that
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* they will be useful, but WITHOUT ANY WARRANTY; without even the
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* implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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* PURPOSE. See the GNU Lesser General Public License for more
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* details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with these libraries and programs; if not, write
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* to the Free Software Foundation, Inc., 51 Franklin Street, Fifth
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* Floor, Boston, MA 02110-1301 USA
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*/
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/*
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* $XConsortium: xtime.cc /main/13 1996/07/18 15:00:24 drk $
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*
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* Copyright (c) 1992 HaL Computer Systems, Inc. All rights reserved.
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* UNPUBLISHED -- rights reserved under the Copyright Laws of the United
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* States. Use of a copyright notice is precautionary only and does not
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* imply publication or disclosure.
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*
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* This software contains confidential information and trade secrets of HaL
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* Computer Systems, Inc. Use, disclosure, or reproduction is prohibited
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* without the prior express written permission of HaL Computer Systems, Inc.
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*
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* RESTRICTED RIGHTS LEGEND
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* Use, duplication, or disclosure by the Government is subject to
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* restrictions as set forth in subparagraph (c)(l)(ii) of the Rights in
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* Technical Data and Computer Software clause at DFARS 252.227-7013.
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* HaL Computer Systems, Inc.
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* 1315 Dell Avenue, Campbell, CA 95008
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*
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*/
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#include "utility/xtime.h"
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#ifdef SVR4
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#include <sys/time.h>
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#if !defined (_IBMR2) && !defined(sun)
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extern "C" { extern int gettimeofday(struct timeval *tp); }
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#endif
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#endif
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xtime::xtime() :
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v_cpu_stamp(0), v_elapsed_stamp(0)
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{
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memset(&v_time_regs, 0, sizeof(struct tms));
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memset(&v_tv, 0, sizeof(struct timeval));
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}
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void xtime::stop(float &cpu_time, long &elp_time)
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{
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cpu_time = -v_cpu_stamp;
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elp_time = v_elapsed_stamp;
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start();
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cpu_time += v_cpu_stamp;
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elp_time = v_elapsed_stamp - elp_time;
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}
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// add a mark
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void xtime::start()
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{
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#if defined (SVR4) && !defined (_IBMR2) && !defined(sun)
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if ( gettimeofday(&v_tv) != 0 ) {
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#else
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if ( gettimeofday(&v_tv, &v_tz) != 0 ) {
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#endif
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MESSAGE(cerr, "xtime::start(): gettimeofday() failed");
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throw(systemException(errno));
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}
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v_elapsed_stamp = v_tv.tv_sec;
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#if defined(SVR4)
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if ( times(&v_time_regs) == -1 )
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#else
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if ( times(&v_time_regs) != 0 )
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#endif
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{
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MESSAGE(cerr, "xtime::start(): times() failed");
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throw(systemException(errno));
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}
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v_cpu_stamp =
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float(v_time_regs.tms_utime + v_time_regs.tms_stime +
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v_time_regs.tms_cutime + v_time_regs.tms_cstime
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) / 60.0;
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}
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