[RELEASE] Userspace RCU 0.4.0

From: Mathieu Desnoyers
Date: Sat Jan 30 2010 - 13:33:54 EST


I proceeded to the minor API changes described below in the latest
userspace RCU release (0.4.0), now available.

See http://lttng.org/urcu for download.



* Mathieu Desnoyers (compudj@xxxxxxxxxxxxxxxxxx) wrote:
> Hi,
> I'd like to proceed to a minor API change in the next userspace RCU
> release: moving from SIGURCU to SIGRCU for the signal name. This is part
> of an effort to standardize the library prefix to "rcu_". I plan to
> add support for backward compatibility, so when we see that SIGURCU is
> defined, then we use that value.
> Also, I am planning to rename the urcu_init() constructor to rcu_init().
> It should only affect the libust tracer, which need to call it
> explicitly. Normal users don't have to bother with it, as it's a library
> constructor.
> Also, the urcu/config.h options are renamed to:
> (moving from URCU -> RCU)
> So an updated system installation will keep everything in sync.
> I also plan to shuffle the library names a bit, but without breaking
> anything. Basically, liburcu will become the "default" version, using
> sys_membarrier() when available, and using liburcu-mb as a fallback.
> The signal-based liburcu will be renamed from liburcu to liburcu-signal.
> People previously using the signal-based "liburcu" will automatically be
> moved to the "default" liburcu version.
> You might want to have a look at the current git tree head to see if
> everything is fine before the release. Given that I change the API
> slightly, this will definitely be a 0.4.0.
> Feedback is welcome,
> Thanks,
> Mathieu
> --
> Mathieu Desnoyers
> OpenPGP key fingerprint: 8CD5 52C3 8E3C 4140 715F BA06 3F25 A8FE 3BAE 9A68
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Mathieu Desnoyers
OpenPGP key fingerprint: 8CD5 52C3 8E3C 4140 715F BA06 3F25 A8FE 3BAE 9A68
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