simonmar 2005/05/19 06:46:24 PDT
Modified files:
ghc/rts PrimOps.cmm
Log:
Fix locking when unblocking a thread in take/putMVar. Due to CPP
nonsense the previous locking wasn't actually working, which lead to
deadlock problems. It now turns out that I can call unblockOne
directly rather than needing unblockOneLocked (the lock on the MVar
means I have exclusive access to the threads on its queue).
Revision Changes Path
1.27 +8 -36 fptools/ghc/rts/PrimOps.cmm
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