All of lore.kernel.org
 help / color / mirror / Atom feed
From: Elefterios Stamatogiannakis <estama@dblab.ece.ntua.gr>
To: qemu-devel@nongnu.org
Subject: Re: [Qemu-devel] [patch] non-blocking disk IO
Date: Tue, 04 Oct 2005 11:52:46 +0300	[thread overview]
Message-ID: <434242DE.40906@dblab.ece.ntua.gr> (raw)
In-Reply-To: <43422C99.2010300@stanfordalumni.org>

Thanks for the info.

>>  #ifdef WIN32
>> void usleep(unsigned long usec)
>> {
>>     Sleep(usec/1000);
>> }
>> #endif
>>

The division "usec/1000" is an expensive operation on any processor.

Maybe it would be better just to use "_sleep(1)" which is analogous to 
usleep(1000) ?

This is what i did to have it compiled and it worked like a charm.

teris.

  parent reply	other threads:[~2005-10-04  8:58 UTC|newest]

Thread overview: 32+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2005-10-03  6:49 [Qemu-devel] [patch] non-blocking disk IO John Coiner
2005-10-03  7:09 ` Magnus Damm
2005-10-03  9:57 ` Elefterios Stamatogiannakis
2005-10-03 12:58   ` Christian MICHON
2005-10-04  7:17     ` John Coiner
2005-10-04  7:46       ` Christian MICHON
2005-10-04  8:52       ` Elefterios Stamatogiannakis [this message]
2005-10-04  9:35         ` Christian MICHON
2005-10-04 11:19           ` Christian MICHON
2005-10-04 12:22             ` Jens Axboe
2005-10-04 13:14             ` John Coiner
2005-10-04 13:20               ` Christian MICHON
2005-10-03 13:58 ` Jens Axboe
2005-10-03 22:29   ` John Coiner
2005-10-04  6:41     ` Jens Axboe
2005-10-04  1:35   ` Troy Benjegerdes
2005-10-04  3:25     ` John Coiner
2005-10-04  3:49     ` Henrik Nordstrom
2005-10-04  5:24       ` Troy Benjegerdes
2005-10-04  6:44         ` Jens Axboe
2005-10-03 18:33 ` Fabrice Bellard
2005-10-04 20:40 ` Brad Campbell
2005-10-04 23:03   ` John Coiner
2005-10-05 11:27     ` Brad Campbell
2005-10-05 14:28       ` Troy Benjegerdes
2005-11-28 22:41         ` Ryan Rempel
  -- strict thread matches above, loose matches on Subject: below --
2005-10-03 12:41 John Coiner
2005-10-04  1:34 ` Troy Benjegerdes
2005-10-04  3:16   ` John Coiner
2005-10-04 14:26     ` Troy Benjegerdes
2005-10-04 22:11       ` John Coiner
2005-10-05  3:17         ` Troy Benjegerdes

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=434242DE.40906@dblab.ece.ntua.gr \
    --to=estama@dblab.ece.ntua.gr \
    --cc=qemu-devel@nongnu.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body. 
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.