[ltt-dev] [RELEASE] Userspace RCU library (liburcu) 0.2.2

Mathieu Desnoyers compudj at krystal.dyndns.org
Mon Oct 5 18:08:50 EDT 2009


Hi again,

New update. Userspace RCU 0.2.2:

- Phases out rcu_publish_content() api.
- Adds type checking to urcu-pointer.h pointer exchange primitives.

Mathieu

P.S.: maybe I should setup a mailing list for these announcements ?
Comments ?

* Mathieu Desnoyers (compudj at krystal.dyndns.org) wrote:
> Hello,
> 
> Userspace RCU 0.2.1 includes:
> 
> - small header dependency fix for rculist.h.
> - new "liburcu-bp.so" : "Bulletproof RCU", made especially for the UST
>   userspace tracer. It's a library that sacrifices a bit of read-side
>   performance for automatically monitoring thread creation/removal. See
>   README for details.
> 
> Thanks,
> 
> Mathieu
> 
> * Mathieu Desnoyers (mathieu.desnoyers at polymtl.ca) wrote:
> > Hi,
> > 
> > Here is a 0.2 version of the urcu library. It should clarify usage of
> > 
> > rcu_cmpxchg_pointer
> > rcu_xchg_pointer
> > rcu_set_pointer
> > 
> > which are the recommended primitives to deal with pointers.
> > rcu_assign_pointer(ptr, new) is provided as compatibility layer with the
> > Linux kernel semantic, but note that its semantic for the first
> > parameter is IMHO odd and differs from rcu_{cmpxchg,xchg,set}_pointer.
> > 
> > Website URL:
> > http://lttng.org/urcu
> > 
> > Direct link to the package:
> > http://www.lttng.org/files/urcu/userspace-rcu-0.2.tar.gz
> > 
> > Thanks,
> > 
> > Mathieu
> > 
> > -- 
> > Mathieu Desnoyers
> > OpenPGP key fingerprint: 8CD5 52C3 8E3C 4140 715F  BA06 3F25 A8FE 3BAE 9A68
> 
> -- 
> Mathieu Desnoyers
> OpenPGP key fingerprint: 8CD5 52C3 8E3C 4140 715F  BA06 3F25 A8FE 3BAE 9A68

-- 
Mathieu Desnoyers
OpenPGP key fingerprint: 8CD5 52C3 8E3C 4140 715F  BA06 3F25 A8FE 3BAE 9A68




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