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

[Raphaël Rigo]

Jamie Lokier wrote:
> 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...
>
> Enjoy,
> -- Jamie
>   
The program I wrote the patch for doesn't use them. But it shouldn't be 
very hard to add support for setup_rt_frame, I'll try to add it in the 
coming weeks.
But the current patch can be very useful already :)

Thanks for pointing this.

Regards,
Raphaël