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Date: Sat, 25 Mar 2006 05:10:22 GMT
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To: freebsd-bugs@FreeBSD.org
From: Bruce Evans <bde@zeta.org.au>
Cc: 
Subject: Re: kern/94772: FIFOs (named pipes) + select() == broken
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The following reply was made to PR kern/94772; it has been noted by GNATS.

From: Bruce Evans <bde@zeta.org.au>
To: Oliver Fromme <olli@lurza.secnetix.de>
Cc: bug-followup@FreeBSD.org
Subject: Re: kern/94772: FIFOs (named pipes) + select() == broken
Date: Sat, 25 Mar 2006 16:08:58 +1100 (EST)

 On Fri, 24 Mar 2006, Oliver Fromme wrote:
 
 > I took the liberty to modify your test programs so that
 > their output is compliant with the regression framework
 > in src/tools/regression.
 >
 > http://www.secnetix.de/~olli/tmp/pipepoll/
 
 Thanks.
 
 I made some changes (mostly style fixes) and will send patches io
 provate mail.
 
 > I also modified them so that they perform all tests both
 > with nameless pipes and with FIFOs, without having to
 > recompile with different defines.
 >
 > Shall I open a separate PR to get them commited to
 > src/tools/regression/pipepoll?
 
 OK with me.  I was going to ask whoever committed the fix for
 this PR (not me) to handle the regression tests too.  The followup
 to this PR is already too long so a separate PR seems best.
 
 > Oh, by the way, the patch set that I mailed still has
 > two failure cases with nameless pipes (I didn't notice
 > at first because I only tested the NAMEDPIPE case):
 >
 > not ok 4  Pipe state 6a: expected POLLHUP; got POLLIN | POLLHUP
 > not ok 8  Pipe state 6a: expected POLLHUP; got POLLIN | POLLHUP
 >
 > Those were broken before, too, so my patch doesn't make
 > things worse, at least.  :-)   I'll try to fix those,
 > too.  However, some feedback on my patches so far would
 > be welcome.
 
 This case is unimportant, and as you reported in later mail it is easy
 to fix but is another fuzzy area POSIX/original-SysV-poll so everyOS
 does it differently.
 
 Bruce