From: sof Date: Sat, 29 Nov 1997 20:31:55 +0000 (+0000) Subject: [project @ 1997-11-29 20:31:55 by sof] X-Git-Tag: Approx_2487_patches~1222 X-Git-Url: http://git.megacz.com/?a=commitdiff_plain;h=91588680a7b7396d3298385301c583a9ebe1cea7;p=ghc-hetmet.git [project @ 1997-11-29 20:31:55 by sof] Renamed {read,write}Sample to {read,write}SampleVar --- diff --git a/ghc/lib/concurrent/SampleVar.lhs b/ghc/lib/concurrent/SampleVar.lhs index 0854a29..7f1061b 100644 --- a/ghc/lib/concurrent/SampleVar.lhs +++ b/ghc/lib/concurrent/SampleVar.lhs @@ -19,13 +19,13 @@ potentially, wakes up a blocked reader (same as for @putMVar@ on empty @MVar@). \begin{code} module SampleVar ( - SampleVar, --:: type _ = + SampleVar, --:: type _ = newEmptySampleVar, --:: IO (SampleVar a) newSampleVar, --:: a -> IO (SampleVar a) emptySampleVar, --:: SampleVar a -> IO () - readSample, --:: SampleVar a -> IO a - writeSample --:: SampleVar a -> a -> IO () + readSampleVar, --:: SampleVar a -> IO a + writeSampleVar --:: SampleVar a -> a -> IO () ) where @@ -63,8 +63,8 @@ emptySampleVar v = do -- filled => make empty and grab sample -- not filled => try to grab value, empty when read val. -- -readSample :: SampleVar a -> IO a -readSample svar = do +readSampleVar :: SampleVar a -> IO a +readSampleVar svar = do (readers,val) <- takeMVar svar putMVar svar (readers-1,val) takeMVar val @@ -73,8 +73,8 @@ readSample svar = do -- filled => overwrite -- not filled => fill, write val -- -writeSample :: SampleVar a -> a -> IO () -writeSample svar v = do +writeSampleVar :: SampleVar a -> a -> IO () +writeSampleVar svar v = do (readers,val) <- takeMVar svar case readers of 1 ->