[OE-core] [pseudo] [RFC 1/2] pseudo_ipc.c: Use MSG_NOSIGNAL if available

[Seebs]

On Wed, 15 Aug 2018 10:27:29 +0100
Richard Purdie <richard.purdie at linuxfoundation.org> wrote:

> On Wed, 2018-08-15 at 08:59 +0200, Rasmus Villemoes wrote:
> > On 2018-07-11 16:30, Rasmus Villemoes wrote:
> > > MSG_NOSIGNAL has been in Linux since 2.2, and has been
> > > standardized in
> > > POSIX 2008. Using that when available avoids the overhead of the
> > > two
> > > syscalls to set and restore the SIGPIPE handler. Moreover, we can
> > > eliminate one write() call by making use of sendmsg() to do
> > > scatter-gather I/O.
> > 
> > Ping. The README in the pseudo repo says to use the
> > openembedded-core list for pseudo patches, so I assume this is the
> > right place. I have other ideas for improving pseudo's performance
> > on both client and server
> > side, but there's no point sending patches to /dev/null.
> 
> Pseudo maintenance is a little tricky right now and I'd guess Peter is
> unavailable. Would you be able to format these as additional patches
> to the pseudo recipe? That way we could test and include them in
> builds and then Peter will review them when he has time.

Hi! Sorry about the delay, I wanted to review these more carefully.
They looked reasonable to me, I just haven't had a chance to look more
closely. They're still in my "I need to respond to this" mailbox.

-s