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From: "jakub at redhat dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sources.redhat.com
Subject: [Bug nptl/12875] pthread_cond_timedwait can steal the wakeup of slower thread in pthread_cond_wait
Date: Wed, 19 Sep 2012 06:24:00 -0000 [thread overview]
Message-ID: <bug-12875-131-iyvQHrfFXa@http.sourceware.org/bugzilla/> (raw)
In-Reply-To: <bug-12875-131@http.sourceware.org/bugzilla/>
http://sourceware.org/bugzilla/show_bug.cgi?id=12875
Jakub Jelinek <jakub at redhat dot com> changed:
What |Removed |Added
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CC| |jakub at redhat dot com
--- Comment #8 from Jakub Jelinek <jakub at redhat dot com> 2012-09-19 06:23:24 UTC ---
(In reply to comment #7)
> I admit the test case is poorly written and rather obfuscated, but I believe
> that it is showing a bug of this nature. Contrary to yours and Mr. Dreppers
> characterizations, this is NOT A FAIRNESS ISSUE. No complaint about fairness
> has been made by myself or the original poster of the bug. If the bug really
> exists in the described form -- and it seems to me that it does, although I'd
> like to find a simpler test case -- then it's an issue of the interface
> violating its contract.
The testcase doesn't show anything like that, there are absolutely no
guarantees that the usleeps result in whatever ordering of events in the
threaded program.
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next prev parent reply other threads:[~2012-09-19 6:24 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-06-10 17:57 [Bug nptl/12875] New: " martin at lispworks dot com
2011-06-11 13:36 ` [Bug nptl/12875] " drepper.fsp at gmail dot com
2011-06-13 12:39 ` martin at lispworks dot com
2011-09-28 21:55 ` bugdal at aerifal dot cx
2012-03-17 20:41 ` bugdal at aerifal dot cx
2012-04-29 3:01 ` bugdal at aerifal dot cx
2012-09-18 14:18 ` triegel at redhat dot com
2012-09-18 14:28 ` triegel at redhat dot com
2012-09-19 3:21 ` bugdal at aerifal dot cx
2012-09-19 6:24 ` jakub at redhat dot com [this message]
2012-09-19 8:22 ` triegel at redhat dot com
2012-09-19 8:24 ` bugdal at aerifal dot cx
2012-09-19 8:50 ` bugdal at aerifal dot cx
2012-09-19 15:35 ` triegel at redhat dot com
2012-09-19 17:30 ` bugdal at aerifal dot cx
2012-09-20 12:29 ` triegel at redhat dot com
2012-09-20 14:02 ` martin at lispworks dot com
2012-09-20 16:59 ` triegel at redhat dot com
2012-09-21 8:05 ` siddhesh at redhat dot com
2014-06-24 8:36 ` fweimer at redhat dot com
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