Implement tryAtomicReadMVar#.

Authored by ezyang on Jul 10 2013, 3:32 PM.

Description

Implement tryAtomicReadMVar#.

Signed-off-by: Edward Z. Yang <ezyang@mit.edu>

Details

Committed
ezyangJul 10 2013, 3:32 PM
Pushed
bgamariAug 25 2016, 1:39 PM
Parents
rGHCDIFF190d34a68945: Don't call dirty_MVAR on atomicReadMVar unless we change the MVar.
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