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SubjectRe: [RFC git tree] Userspace RCU (urcu) for Linux
On Fri, Feb 6, 2009 at 04:05, Mathieu Desnoyers
<> wrote:
> Hi Paul,
> I figured out I needed some userspace RCU for the userspace tracing part
> of LTTng (for quick read access to the control variables) to trace
> userspace pthread applications. So I've done a quick-and-dirty userspace
> RCU implementation.
> It works so far, but I have not gone through any formal verification
> phase. It seems to work on paper, and the tests are also OK (so far),
> but I offer no guarantee for this 300-lines-ish 1-day hack. :-) If you
> want to comment on it, it would be welcome. It's a userland-only
> library. It's also currently x86-only, but only a few basic definitions
> must be adapted in urcu.h to port it.
> Here is the link to my git tree :
> git://
Really interesting, thanks.

But you should use pthread_equal() for you equality test of pthread_t.


> Thanks,
> Mathieu

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