From: Christian Robert <xtian-test@sympatico.ca>
To: Brad Hards <bhards@bigpond.net.au>
Cc: linux-kernel@vger.kernel.org
Subject: Re: gettimeofday problem
Date: Mon, 24 Jun 2002 22:03:12 -0400 [thread overview]
Message-ID: <3D17CF60.1DD1B82D@sympatico.ca> (raw)
In-Reply-To: 200206251043.28051.bhards@bigpond.net.au
Brad Hards wrote:
>
> On Tue, 25 Jun 2002 10:37, Christian Robert wrote:
> > gettimeofday (&tv, NULL);
> How about checking the return value of the function call?
>
> Brad
> --
> http://conf.linux.org.au. 22-25Jan2003. Perth, Australia. Birds in Black.
$ time ./tloop
Bump negative -4294967295
Summary:
-------
Min = 0
Max = 140068
Avg = 1 (4064861295/3825797418)
real 67m44.891s
user 29m29.690s
sys 27m53.130s
Same thing. \x14Took about an hour before getting the negative bump.
Xtian.
---- modified GetTime() checking return value of gettimeofday() -----
LL GetTime (void)
{
struct timeval tv;
LL retval;
int rc;
while (0 != (rc = gettimeofday (&tv, NULL)))
printf ("Wow! gettimeofday () returned %d\n", rc);
retval = (tv.tv_sec * 1000000) + (tv.tv_usec);
return retval;
}
next prev parent reply other threads:[~2002-06-25 2:03 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-06-25 0:37 gettimeofday problem Christian Robert
2002-06-25 0:43 ` Brad Hards
2002-06-25 2:03 ` Christian Robert [this message]
2002-06-25 2:47 ` John Alvord
2002-06-25 9:17 ` Christian Robert
2002-06-25 10:00 ` Jan Hudec
2002-07-19 12:17 ` Amos Waterland
2002-06-25 11:45 ` Richard B. Johnson
2002-06-25 11:50 ` Brad Hards
-- strict thread matches above, loose matches on Subject: below --
2002-06-24 8:55 Salvatore D'Angelo
[not found] ` <200206240934.g5O9YL524660@budgie.cs.uwa.edu.au>
2002-06-24 10:20 ` Salvatore D'Angelo
2002-06-24 12:46 ` Matti Aarnio
2002-06-24 13:57 ` Salvatore D'Angelo
2002-06-24 18:56 ` Karim Yaghmour
2002-06-26 11:01 ` Gabriel Paubert
2002-07-01 2:30 ` Pavel Machek
2002-07-01 2:29 ` Pavel Machek
2002-06-24 19:44 ` Richard B. Johnson
2002-06-24 23:34 ` Frank van de Pol
2002-06-25 11:42 ` Richard B. Johnson
2002-06-28 18:04 ` george anzinger
2002-06-25 13:36 ` Chris Friesen
2002-06-26 10:58 ` Gabriel Paubert
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