Re: [PATCH] async poll for 2.5

From: John Myers (jgmyers@netscape.com)
Date: Tue Oct 15 2002 - 19:15:12 EST


Davide Libenzi wrote:

>Just a simple question : Have you ever used RT-Signal API ? Is it the API
>"deficent" [...] ?
>
No. Yes. The (fixed) size of the signal queue is far too small. One
either gets catastrophic failure on overload or one has to pay to do
redundant accounting of interest.

>Do you know the
>difference between level triggered ( poll() - select() - /dev/poll ) and
>edge triggered ( /dev/epoll - RT-Signal ) interfaces ?
>
>
Yes. The registration of interest can itself be considered an edge
condition.



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