[ltt-dev] [PATCH RFC urcu 0/2] allow multiple URCU flavors in one executable

[Paul E. McKenney]

On Wed, Mar 23, 2011 at 11:36:35AM -0700, Paul E. McKenney wrote:
> Hello!
> 
> The following pair of patches permits a single executable to use
> multiple flavors of URCU without resorting to linker tricks.  The
> approach is to map each flavor to a different namespace.  The patches
> are as follows:
> 
> 1.	Provide pthread_atfork-friendly interfaces.
> 2.	Map symbols to allow multiple flavors of URCU to be mixed.
> 
> This does not yet centralize pthread_atfork() handling, nor does it
> yet map defer_rcu() and friends.

Also, after this is complete, it should be possible to put all of the
URCU flavors into a single .so file, which should simplify building
applications that use URCU.

> Thoughts?
> 
> 							Thanx, Paul
> 
>  a/urcu-call-rcu.c      |  620 -------------------------------------------------
>  b/Makefile.am          |    3 
>  b/README               |    4 
>  b/tests/Makefile.am    |   33 +-
>  b/tests/rcutorture.h   |    1 
>  b/tests/urcutorture.c  |   13 -
>  b/urcu-bp.c            |    4 
>  b/urcu-bp.h            |    8 
>  b/urcu-call-rcu-impl.h |  618 ++++++++++++++++++++++++++++++++++++++++++++++++
>  b/urcu-call-rcu.c      |   29 ++
>  b/urcu-qsbr.c          |   36 +-
>  b/urcu-qsbr.h          |   18 -
>  b/urcu.c               |    5 
>  b/urcu.h               |   20 +
>  14 files changed, 736 insertions(+), 676 deletions(-)