putMVar and takeMVar: add write_barrier() to fix race with throwTo
authorSimon Marlow <marlowsd@gmail.com>
Wed, 7 Jan 2009 11:20:26 +0000 (11:20 +0000)
committerSimon Marlow <marlowsd@gmail.com>
Wed, 7 Jan 2009 11:20:26 +0000 (11:20 +0000)
commit8a317b223ac681f99e75f9a4a89380c92d283049
tree445f071b6df220f1a8aa86d61f74f0dd8424621f
parentb55e7b53eb4af373764969ab9cfd5a4ef4bc9b8d
putMVar and takeMVar: add write_barrier() to fix race with throwTo
rts/PrimOps.cmm