Mercurial > hg > Members > toma > Concurrent

annotate MVar.hs @ 2:adc9ccc88192 default tip

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add fib
author Daichi TOMA <toma@cr.ie.u-ryukyu.ac.jp>
date Tue, 30 Jul 2013 17:54:19 +0900
parents fa93d5b5b600
children
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fa93d5b5b600 Initial commit
Daichi TOMA <toma@cr.ie.u-ryukyu.ac.jp>
parents:
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1 import Control.Concurrent
fa93d5b5b600 Initial commit
Daichi TOMA <toma@cr.ie.u-ryukyu.ac.jp>
parents:
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2
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Daichi TOMA <toma@cr.ie.u-ryukyu.ac.jp>
parents:
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3 communicate = do
fa93d5b5b600 Initial commit
Daichi TOMA <toma@cr.ie.u-ryukyu.ac.jp>
parents:
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4 m <- newEmptyMVar
fa93d5b5b600 Initial commit
Daichi TOMA <toma@cr.ie.u-ryukyu.ac.jp>
parents:
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5 forkIO $ do
fa93d5b5b600 Initial commit
Daichi TOMA <toma@cr.ie.u-ryukyu.ac.jp>
parents:
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6 v <- takeMVar m
fa93d5b5b600 Initial commit
Daichi TOMA <toma@cr.ie.u-ryukyu.ac.jp>
parents:
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7 putStrLn ("received " ++ show v)
fa93d5b5b600 Initial commit
Daichi TOMA <toma@cr.ie.u-ryukyu.ac.jp>
parents:
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8 putStrLn "sending"
fa93d5b5b600 Initial commit
Daichi TOMA <toma@cr.ie.u-ryukyu.ac.jp>
parents:
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9 putMVar m "wake up"