177 lines
4.6 KiB
C
177 lines
4.6 KiB
C
/*
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* $Id$
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*/
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/*
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* Harbour Project source code:
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* SECONDS() function
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*
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* Copyright 1999 Jose Lalin <dezac@corevia.com>
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* www - http://www.harbour-project.org
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2, or (at your option)
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* any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this software; see the file COPYING. If not, write to
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* the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
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* Boston, MA 02111-1307 USA (or visit the web site http://www.gnu.org/).
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*
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* As a special exception, the Harbour Project gives permission for
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* additional uses of the text contained in its release of Harbour.
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*
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* The exception is that, if you link the Harbour libraries with other
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* files to produce an executable, this does not by itself cause the
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* resulting executable to be covered by the GNU General Public License.
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* Your use of that executable is in no way restricted on account of
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* linking the Harbour library code into it.
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*
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* This exception does not however invalidate any other reasons why
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* the executable file might be covered by the GNU General Public License.
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*
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* This exception applies only to the code released by the Harbour
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* Project under the name Harbour. If you copy code from other
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* Harbour Project or Free Software Foundation releases into a copy of
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* Harbour, as the General Public License permits, the exception does
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* not apply to the code that you add in this way. To avoid misleading
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* anyone as to the status of such modified files, you must delete
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* this exception notice from them.
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*
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* If you write modifications of your own for Harbour, it is your choice
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* whether to permit this exception to apply to your modifications.
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* If you do not wish that, delete this exception notice.
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*
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*/
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#include "hbapi.h"
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#include <time.h>
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#if defined( HB_OS_BSD)
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#include <sys/time.h>
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#include <sys/times.h>
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#include <unistd.h>
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#elif defined( OS_UNIX_COMPATIBLE )
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#include <sys/timeb.h>
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#include <sys/times.h>
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#include <unistd.h>
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#else
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#include <sys\timeb.h>
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#endif
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double hb_dateSeconds( void )
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{
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#if defined(_MSC_VER)
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#define timeb _timeb
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#define ftime _ftime
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#endif
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#if defined(HB_OS_BSD)
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struct timeval tv;
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struct timezone tz;
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#else
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struct timeb tb;
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#endif
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time_t seconds;
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time_t fraction;
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struct tm * oTime;
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HB_TRACE(HB_TR_DEBUG, ("hb_dateSeconds()"));
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#if defined(HB_OS_BSD)
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gettimeofday( &tv, &tz );
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seconds = tv.tv_sec;
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fraction = tv.tv_usec / 1000U;
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#else
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ftime( &tb );
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seconds = tb.time;
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fraction = tb.millitm;
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#endif
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oTime = localtime( &seconds );
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return ( oTime->tm_hour * 3600 ) +
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( oTime->tm_min * 60 ) +
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oTime->tm_sec +
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( ( double ) fraction / 1000.0 );
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}
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#ifdef HB_EXTENSION
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/*
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secondsCPU(n) -> nTime
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FlagShip/CLIP compatible function, which reports how many CPU and/or
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system seconds have elapsed since the beginning of the program execution.
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n == 1 utime -> user CPU time of the current process
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n == 2 stime -> system CPU time behalf of the current process
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n == 3 u + s -> sum of utime + stime (default)
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n == 11 cutime -> sum of the user CPU time of the current + child process
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n == 12 cstime -> sum of the system CPU time of the current + child process
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n == 13 cu+cs -> sum of cutime + cstime
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*/
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double hb_secondsCPU(int n)
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{
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double d = 0;
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#if defined( OS_UNIX_COMPATIBLE )
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struct tms tm;
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times(&tm);
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if ((n < 1 || n > 3) && (n < 11 || n > 13))
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n = 3;
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if (n > 10)
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{
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n -= 10;
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if (n & 1)
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d += tm.tms_cutime;
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if (n & 2)
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d += tm.tms_cstime;
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}
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if (n & 1)
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d += tm.tms_utime;
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if (n & 2)
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d += tm.tms_stime;
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d /= (double) sysconf(_SC_CLK_TCK);
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#else
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/* TODO: this code is only for DOS and other platforms which cannot
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calculate process time */
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if ((n < 1 || n > 3) && (n < 11 || n > 13))
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n = 3;
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else if (n > 10)
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n -= 10;
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if (n & 1)
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d = hb_dateSeconds( );
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#endif
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return d;
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}
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#endif
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HB_FUNC( SECONDS )
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{
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hb_retnd( hb_dateSeconds() );
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}
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#ifdef HB_EXTENSION
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HB_FUNC( SECONDSCPU )
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{
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hb_retnd( hb_secondsCPU( hb_parni( 1 ) ) );
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}
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HB_FUNC( HB_CLOCKS2SECS )
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{
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hb_retnd((double) hb_parnl( 1 ) / CLOCKS_PER_SEC );
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}
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#endif
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