K 10
svn:author
V 6
sbruno
K 8
svn:date
V 27
2015-06-24T15:52:26.825235Z
K 7
svn:log
V 195
At the suggestion of jhb, replace atomic_set/clear calls with use of
exclusive locks in the enable/disable interpreter path.

Tested with WITNESS/INVARIANTS on and off.

Reviewed by:	sson davide

END