bug#9089: pipe failure with cat and head of coreutils 6.12

[Eric Blake]

On 07/15/2011 09:14 AM, Philipp Thomas wrote:
> * Eric Blake (address@hidden) [20110715 15:03]:
> 
>> And that behavior of ksh is probably a violation of POSIX:
>> http://austingroupbugs.net/view.php?id=205
> 
> that discussion is from 2006 and ksh has had that feature for quite a bit
> longer. The reasin is that sockpairs are faster than pipes and and much
> faster when piping large amounts of data.
> 
> And how about this comment from geoffclare on 2010-01-06 15:04:

That comment was discussed, but rejected.  Notice how the bug states
that the final accepted text is
http://austingroupbugs.net/view.php?id=205#c385

For more details on the topic, refer to the mailing list archives around
that time:

https://www.opengroup.org/sophocles/show_archive.tpl?source=L&listname=austin-group-l&first=1&pagesize=80&searchstring=socketpair&zone=F

Including this message from David Korn, regarding ksh's position:

https://www.opengroup.org/sophocles/show_mail.tpl?CALLER=show_archive.tpl&source=L&listname=austin-group-l&id=13316

and this one explaining why the Austin Group does not like sockets:

https://www.opengroup.org/sophocles/show_mail.tpl?CALLER=show_archive.tpl&source=L&listname=austin-group-l&id=13315

It may be worth re-raising the issue with the Austin Group.

-- 
Eric Blake   address@hidden    +1-801-349-2682
Libvirt virtualization library http://libvirt.org

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