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Date: Tue, 15 Oct 2002 17:05:53 -0700 (PDT)
From: Davide Libenzi <davidel@xmailserver.org>
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To: John Gardiner Myers <jgmyers@netscape.com>
cc: Benjamin LaHaise <bcrl@redhat.com>, Dan Kegel <dank@kegel.com>,
       Shailabh Nagar <nagar@watson.ibm.com>,
       linux-kernel <linux-kernel@vger.kernel.org>,
       linux-aio <linux-aio@kvack.org>, Andrew Morton <akpm@digeo.com>,
       David Miller <davem@redhat.com>,
       Linus Torvalds <torvalds@transmeta.com>,
       Stephen Tweedie <sct@redhat.com>
Subject: Re: [PATCH] async poll for 2.5
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On Tue, 15 Oct 2002, John Gardiner Myers wrote:

> The epoll API is deficient--it is subtly error prone and it forces work
> on user space that is better done in the kernel.  That the API is
> specified in a deficient way does not make it any less deficient.

Just a simple question : Have you ever used RT-Signal API ? Is it the API
"deficent" or is it the one that does not understand it ? Do you know the
difference between level triggered ( poll() - select() - /dev/poll ) and
edge triggered ( /dev/epoll - RT-Signal ) interfaces ?




- Davide


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