From: "Alex Vinokur" <alexvn AT bigfoot DOT com>
Newsgroups: comp.os.msdos.djgpp
Subject: Re: how to make a Timer
Date: Tue, 11 Feb 2003 06:21:51 +0200
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To: djgpp AT delorie DOT com
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"Eli Zaretskii" <eliz AT is DOT elta DOT co DOT il> wrote in message news:Pine DOT SUN DOT 3 DOT 91 DOT 1030210075002 DOT 7932C AT is...
>
> On Sun, 9 Feb 2003, Alex Vinokur wrote:
>
> > > You could use the CVS interface:
> > >
> > >   http://www.delorie.com/djgpp/cvs.html
> > >
> > > (follow the link to cvsweb interface on that page).
> >
> >
> > I have downloaded DJGPP 2.04 via CVS interface.
> > How can I create version 2.04 to work with it ?
> > I looked at http://www.delorie.com/bin/cvsweb.cgi/djgpp/.
> > However I didn't find what I have to do
>
> Navigate to the file you want to get and save it to your local disk.  In
> this case, point your browseer to
>
>   http://www.delorie.com/bin/cvsweb.cgi/djgpp/src/libc/pc_hw/timer/uclock.c
>
> and the file uclock.c will appear.  Then click Files->Save as, save the
> file, compile it and use it.  (Section 8.22 of the DJGPP FAQ list
> explains how to replace a single module in the library, should you need
> that.)

Thanks.

I did that.

However problem with uclock resolution not solved.

=========================
Windows 2000
DJGPP 2.03
GNU gcc/g++ version 3.2.1
=========================

=========================
libc.a has been updated by uclock.c (version 1.4; 2001)
from http://www.delorie.com/bin/cvsweb.cgi/djgpp/src/libc/pc_hw/timer/uclock.c

gcc -c -Wall -O2 uclock.c
ar rvs libc.a uclock.o
=========================




========= C code : BEGIN =========
/* File utest.c */

#include <stdio.h>
#include <time.h>
#include <assert.h>

int main()
{
#define TOTAL_TIMES 12500
int i;
  for (i = 0; i < TOTAL_TIMES; i++)
  {
    uclock_t tval = uclock();
    printf ("[%d] uclock = %ld\n", i, tval);
    fflush(stdout);
    assert (tval >= 0);
  }

  return 0;

}
========= C code : END ===========



========= Compilation & Run : BEGIN =========

% gcc utest.c

% a.exe

[0] uclock = 0
[1] uclock = 286
[2] uclock = 355
[3] uclock = 400
[4] uclock = 445
[5] uclock = 487
[6] uclock = 530
[7] uclock = 575
[8] uclock = 618
[9] uclock = 660
[10] uclock = 705

[---omitted---]

[1320] uclock = 63883
[1321] uclock = 63926
[1322] uclock = 63969
[1323] uclock = 64012
[1324] uclock = 64055
[1325] uclock = 64097
[1326] uclock = 64139
[1327] uclock = -529
Assertion failed at utest.c line 14: tval >= 0
Exiting due to signal SIGABRT
Raised at eip=0000452e
eax=005ffecc ebx=00000120 ecx=00000000 edx=00000000 esi=00000054 edi=0000fd60
ebp=005fff78 esp=005ffec8 program=C:\____TM~2\0_uclock\a.exe
cs: sel=01f7  base=017e0000  limit=0060ffff
ds: sel=01ff  base=017e0000  limit=0060ffff
es: sel=01ff  base=017e0000  limit=0060ffff
fs: sel=01cf  base=00009df0  limit=0000ffff
gs: sel=020f  base=00000000  limit=0010ffff
ss: sel=01ff  base=017e0000  limit=0060ffff
App stack: [00600000..00580000]  Exceptn stack: [0000fcc0..0000dd80]

Call frame traceback EIPs:
  0x00004454
  0x0000452e
  0x000035a9
  0x00001672
  0x00002ec8

========= Compilation & Run : END ===========


--
  ==============================
   Alex Vinokur
     mailto:alexvn AT go DOT to
     http://www.simtel.net/pub/oth/19088.html
   ==============================