mirror of https://lore.kernel.org/lkml/
 help / color / mirror / Atom feed
From: Will Brown <dr.hfuhruhurr@gmail.com>
To: Davide Libenzi <davidel@xmailserver.org>
Cc: Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: PROBLEM: Epoll frequently fails to notify connects at connect  bursts
Date: Wed, 26 Aug 2009 11:15:10 +0200	[thread overview]
Message-ID: <8a1bd2320908260215w23d1f426x33f90e38ccc3fe2c@mail.gmail.com> (raw)
In-Reply-To: <alpine.DEB.2.00.0908251823470.18518@makko.or.mcafeemobile.com>

On Wed, Aug 26, 2009 at 3:24 AM, Davide Libenzi<davidel@xmailserver.org> wrote:
> On Tue, 25 Aug 2009, Davide Libenzi wrote:
>
>> Multiple quasi-simultaneous events for the same fd are merged. This is why
>> on POLLIN on accepting sockets you want to do something like:
>>
>>       while ((afd = accept(sfd, ...)) != -1)
>>               add_client(afd);
>
> Of course, with  sfd  in non-blocking mode. Alternatively, you drop EPOLLET
> for the  sfd  socket.
>

Aha! Thank you immensely Davide. It cost me one week of frustration already.

1. Where should I have picked up this gem of essential information? I
haven't seen it in the man-pages for either 'epoll' or 'accept'.

2. Is it better to use a level-triggered listener socket, or to use
the accept-loop?

Thanks a million,
Will

  reply	other threads:[~2009-08-26  9:15 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-08-26  0:48 Will Brown
2009-08-26  1:14 ` Davide Libenzi
2009-08-26  1:24   ` Davide Libenzi
2009-08-26  9:15     ` Will Brown [this message]
2009-08-26 12:26       ` Mark Brown
2009-08-26 15:04       ` Davide Libenzi

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=8a1bd2320908260215w23d1f426x33f90e38ccc3fe2c@mail.gmail.com \
    --to=dr.hfuhruhurr@gmail.com \
    --cc=davidel@xmailserver.org \
    --cc=linux-kernel@vger.kernel.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 a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox

all inboxes | Powered by JetHome®