id	summary	reporter	owner	description	type	status	priority	milestone	component	version	resolution	keywords	cc
994	consider exporting a compare-and-swap or conditional-store	rme		"I've seen some interest in using atomic operations in CL implementations.  See, for example, http://kvardek-du.kerno.org/2012/06/augmenting-bordeaux-threads-with-atomic.html.

We've had ccl::conditional-store for quite some time, but it's not really fully baked.  On IRC, sykopomp reported that it choked on typed defstruct slots because in that case we wrap ccl::struct-ref as (the struct-type (ccl::struct-ref ...)).
"	enhancement	new	normal		other	trunk