K 10
svn:author
V 3
kib
K 8
svn:date
V 27
2015-07-15T21:44:16.544697Z
K 7
svn:log
V 294
Do not use atomic_swap_int(9), it is not available on all
architectures.  Atomic_cmpset_int(9) is a direct replacement, due to
loop.  The change fixes arm, arm64, mips an sparc64, which lack
atomic_swap().

Suggested and reviewed by:	alc
Sponsored by:	The FreeBSD Foundation
MFC after:	2 weeks

END