From: michi1@michaelblizek.twilightparadox.com (michi1 at michaelblizek.twilightparadox.com)
To: kernelnewbies@lists.kernelnewbies.org
Subject: I/O event notification mechanism - select() or epoll() ?
Date: Fri, 28 Sep 2012 07:23:47 +0200 [thread overview]
Message-ID: <20120928052346.GA2274@grml> (raw)
In-Reply-To: <CA+NV+Vm67XNLrjLjzEF6jz6oqOp=PtRZQb7nFuBJ2Vk3Mvy3Fg@mail.gmail.com>
Hi!
On 17:19 Wed 26 Sep , Rahul Bedarkar wrote:
> Hi,
>
> I have to capture kernel udev events through libudev. One of API
> provides asynchronous events by reading on file descriptor. I found
> that there two ways to do that.
>
> 1) select call
> 2) epoll
>
> I also found that epoll is smarter and meant to replace old select call.
>
> What are your thoughts on these ? Which one is better ?
If you are ok to be limited to linux, I would highly recommend using epoll
because of scaleability. Using select is almost like creating a new epoll
descriptor for every call instead of reusing it.
-Michi
--
programing a layer 3+4 network protocol for mesh networks
see http://michaelblizek.twilightparadox.com
next prev parent reply other threads:[~2012-09-28 5:23 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-09-26 11:49 I/O event notification mechanism - select() or epoll() ? Rahul Bedarkar
2012-09-26 15:49 ` Peter Teoh
2012-09-28 5:23 ` michi1 at michaelblizek.twilightparadox.com [this message]
2012-09-28 5:28 ` Rahul Bedarkar
2012-09-28 17:05 ` Jonathan Neuschäfer
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