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[Bug nptl/18463] pthread_cond_broadcast issue when surrounded by PTHREAD_PRIO_INHERIT mutex on ARM
- From: "mkl at pengutronix dot de" <sourceware-bugzilla at sourceware dot org>
- To: glibc-bugs at sourceware dot org
- Date: Sun, 14 Jun 2015 16:31:52 +0000
- Subject: [Bug nptl/18463] pthread_cond_broadcast issue when surrounded by PTHREAD_PRIO_INHERIT mutex on ARM
- Auto-submitted: auto-generated
- References: <bug-18463-131 at http dot sourceware dot org/bugzilla/>
https://sourceware.org/bugzilla/show_bug.cgi?id=18463
--- Comment #5 from Marc Kleine-Budde <mkl at pengutronix dot de> ---
(In reply to joseph@codesourcery.com from comment #3)
> Since pthread_cond_* are being rewritten, it might be worth seeing if
> Torvald's new implementation
> <https://sourceware.org/ml/libc-alpha/2015-02/msg00578.html> helps.
With Torvald Riegel's patch ported to current master, the test case works for
both pre and post 3.14.3 kernel versions supplied to --enable-kernel=. I've
tested --enable-kernel=3.0 and --enable-kernel=3.15.
This makes sense, as AFAICS all the __ASSUME defines in question[1] have been
removed from the pthread_cond_ code.
Marc
[1] __ASSUME_FUTEX_LOCK_PI, __ASSUME_REQUEUE_PI, __ASSUME_SET_ROBUST_LIST
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