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Re: [Qemu-devel] [PATCH] Add mips-user signal handling

From: Jamie Lokier
Subject: Re: [Qemu-devel] [PATCH] Add mips-user signal handling
Date: Mon, 19 Jun 2006 16:15:16 +0100
User-agent: Mutt/1.4.1i

Raphaël Rigo wrote:
> Hello,
> this patch adds signal handling for mips-user (and mipsel also).
> However it doesn't implement setup_rt_frame, but it seems it is not used 
> a lot, so the current patch should support the vast majority of 
> applications.

Note that some web servers and other networking programs that you
might want to use depend on setup_rt_frame.

It is used by code which uses queued SIGIO signals for event queuing
(it's the old "scalable I/O" method before epoll replaced it), and
it's also used by code that uses dnotify to check for file changes.  I
think Samba may also use it in conjunction with F_SETLEASE.

Since you seem to be aiming at networking support, I thought to
mention this...

-- Jamie

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