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Diffstat (limited to 'testsuite/tests/concurrent/should_run/conc059.hs')
-rw-r--r-- | testsuite/tests/concurrent/should_run/conc059.hs | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/testsuite/tests/concurrent/should_run/conc059.hs b/testsuite/tests/concurrent/should_run/conc059.hs new file mode 100644 index 0000000000..bed28d27cb --- /dev/null +++ b/testsuite/tests/concurrent/should_run/conc059.hs @@ -0,0 +1,26 @@ +{-# LANGUAGE CPP, ForeignFunctionInterface #-} +module Test where + +import Control.Concurrent +import Control.Monad +import Foreign.C + +-- See also conc059_c.c +-- +-- This test fires off some threads that will return after the RTS has +-- shut down. This should not crash or confuse the RTS. + +f :: Int -> IO () +f x = do + print x + replicateM_ 10 $ forkIO $ do usleep (fromIntegral x); putStrLn "hello" + return () + +foreign export ccall "f" f :: Int -> IO () + +#ifdef mingw32_HOST_OS +foreign import stdcall safe "Sleep" _sleep :: Int -> IO () +usleep n = _sleep (n `quot` 1000) +#else +foreign import ccall safe "usleep" usleep :: Int -> IO () +#endif |