I/O event notification mechanism - select() or epoll() ?

[michi1 at michaelblizek.twilightparadox.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