[libvirt] [PATCH v2] Improve on virAtomic implementation

[Laine Stump]

On 04/20/2012 06:44 AM, Stefan Berger wrote:
> This patch improves the previously added virAtomicInt implementation
> by using gcc-builtins if possible. The needed builtins are available
> since GCC >= 4.1. At least the 4.0 docs don't mention them.
>
> ---
>  src/util/viratomic.h |   95
> ++++++++++++++++++++++++++++++++++++++++++---------
>  1 file changed, 79 insertions(+), 16 deletions(-)

ACK.

Now we can start thinking about eliminating locking for things that just
need a refcount :-)