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[Bug nptl/13184] rwlocks can go into dead lock
- From: "bugdal at aerifal dot cx" <sourceware-bugzilla at sourceware dot org>
- To: glibc-bugs at sources dot redhat dot com
- Date: Mon, 12 Sep 2011 22:25:26 +0000
- Subject: [Bug nptl/13184] rwlocks can go into dead lock
- Auto-submitted: auto-generated
- References: <bug-13184-131@http.sourceware.org/bugzilla/>
http://sourceware.org/bugzilla/show_bug.cgi?id=13184
--- Comment #3 from Rich Felker <bugdal at aerifal dot cx> 2011-09-12 22:25:26 UTC ---
I'm confused how the assertions relate to your original claim that __nr_readers
can go negative. Having __nr_readers momentarily exceed the actual number of
readers is not necessarily a bug unless it actually overflows and causes a
later comparison to evaluate incorrectly, and this test program does not seem
to be able to establish that it overflows.
BTW, I tried testing on a dual-core Atom and could not get the assertions to
fail.
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