5 commits

Author	SHA1	Message	Date
Charles Lowell	8ec7ba11e7	only use 'ref' gem for MRI	2012-08-11 14:22:22 -05:00
Charles Lowell	09e4d40251	Don't double allocate weak backfreferences	2012-07-08 15:08:37 -05:00
Charles Lowell	eb87ceb340	don't use rb_block_call() since it is not in rbx	2012-06-20 04:53:47 -05:00
Charles Lowell	7f967d0c5e	avoid race condition in object back reference.	2012-06-20 03:17:34 -05:00
Charles Lowell	0d29c7fc15	keep a back reference to object wrappers	2012-06-08 14:14:38 -05:00