[ltt-dev] [RELEASE] Userspace RCU 0.4.7

[jbernard@debian.org (Jon Bernard)]

* 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

-- 
Jon