Re: [libvirt] [PATCH v2] Improve on virAtomic implementation

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 :-)