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From: Davide Libenzi <davidel@xmailserver.org>
To: Davy Durham <pubaddr2@davyandbeth.com>
Cc: Willy Tarreau <willy@w.ods.org>,
	bert hubert <bert.hubert@netherlabs.nl>,
	Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: select() efficiency / epoll
Date: Tue, 23 Aug 2005 22:09:17 -0700 (PDT)	[thread overview]
Message-ID: <Pine.LNX.4.63.0508232202580.10064@localhost.localdomain> (raw)
In-Reply-To: <430B5802.5050200@davyandbeth.com>

On Tue, 23 Aug 2005, Davy Durham wrote:

> Davide Libenzi wrote:
>
>> 
>> I should mention that the 2.4 patch is old WRT mainline epoll in 2.6 (I 
>> stopped maintaining it when 2.6 went "stable"). I'd definitely suggest to 
>> use 2.6 if you are looking at epoll.
>> 
> I am using linux-2.6.11 and glibc-2.3.4  .. and using select() in it's place 
> seems to work fine.  Are there any known issues with say, one thread does 
> epoll_wait()s while other threads may be doing epoll_ctl()s?

There is no known problem in using epoll_ctl() in one thread while another 
does epoll_wait().
I suggest you to ask Valgrind to take a look at you binary. Since I have 
no clue of what your software does, please create the *minimal* code 
snippet that exploit the eventual problem, and post it.


- Davide


  reply	other threads:[~2005-08-24  5:09 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2005-07-22 21:18 select() efficiency Davy Durham
2005-07-22 21:24 ` bert hubert
2005-08-23  9:49   ` select() efficiency / epoll Davy Durham
2005-08-23 18:24     ` bert hubert
2005-08-23 11:01       ` Davy Durham
2005-08-23 11:25         ` Davy Durham
2005-08-23 19:12         ` Willy Tarreau
2005-08-23 11:24           ` Davy Durham
2005-08-23 19:45             ` Willy Tarreau
2005-08-23 11:55               ` Davy Durham
2005-08-23 20:20                 ` Willy Tarreau
2005-08-23 23:21                   ` Davide Libenzi
2005-08-23 17:08                     ` Davy Durham
2005-08-24  5:09                       ` Davide Libenzi [this message]
2005-08-23 22:35                         ` Davy Durham
2005-08-23 19:30     ` Jari Sundell
2005-08-23 11:53       ` Davy Durham
2005-08-23 20:42         ` Jari Sundell
2005-08-23 17:11           ` Davy Durham
2005-08-23 17:40           ` Davy Durham

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