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[Bug nptl/23229] Realtime rwlock deadlock when writer has lower priority than readers
- From: "triegel at redhat dot com" <sourceware-bugzilla at sourceware dot org>
- To: glibc-bugs at sourceware dot org
- Date: Wed, 20 Jun 2018 13:07:05 +0000
- Subject: [Bug nptl/23229] Realtime rwlock deadlock when writer has lower priority than readers
- Auto-submitted: auto-generated
- References: <bug-23229-131@http.sourceware.org/bugzilla/>
https://sourceware.org/bugzilla/show_bug.cgi?id=23229
Torvald Riegel <triegel at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |triegel at redhat dot com
Resolution|DUPLICATE |FIXED
--- Comment #2 from Torvald Riegel <triegel at redhat dot com> ---
It's a duplicate because it seems to rely on the TPS-specific requirements for
rwlock, which we do not intend to implement.
Furthermore, rwlocks aren't guaranteed to be safe to use in real-time
environments, in contrast to mutex kinds that provide PI.
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