[ltt-dev] [RELEASE] Userspace RCU 0.4.7

[Mathieu Desnoyers]

* Jon Bernard (jbernard at debian.org) wrote:
> * Mathieu Desnoyers <mathieu.desnoyers at efficios.com> wrote:
> > liburcu is a LGPLv2.1 userspace RCU (read-copy-update) library. This data
> > synchronization library provides read-side access which scales linearly with the
> > number of cores. It does so by allowing multiples copies of a given data
> > structure to live at the same time, and by monitoring the data structure
> > accesses to detect grace periods after which memory reclamation is possible.
> > 
> > Changelog for Userspace RCU 0.4.7:
> > 
> > - Add wait-free enqueue/push, blocking dequeue/pop list and stack.
> > - Add lock-free enqueue/dequeue/push/pop list and stack.
> > - Add ifdef around container_of() definition to kill gcc warnings when building
> >   UST.
> > 
> > The wait-free enqueue/blocking dequeue will enable creation of the call_rcu()
> > primitive in a near future.
> 
> The 0.4.7 tarball is missing 'urcu/urcu_ref.h', causing the following
> error:
> 
>       CC     rculfqueue.lo
>     In file included from rculfqueue.c:26:
>     urcu/rculfqueue.h:26:22: error: urcu_ref.h: No such file or directory
>     In file included from rculfqueue.c:26:
>     urcu/rculfqueue.h:45: error: field ‘ref’ has incomplete type
>     In file included from rculfqueue.c:27:
>     urcu/rculfqueue-static.h:29:27: error: urcu/urcu_ref.h: No such file or directory

Version 0.4.8 now fixes this. Thanks for reporting!

Mathieu

> 
> -- 
> Jon
> 
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-- 
Mathieu Desnoyers
Operating System Efficiency R&D Consultant
EfficiOS Inc.
http://www.efficios.com