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{-# 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 ()
#if defined(mingw32_HOST_OS)
# if defined(i386_HOST_ARCH)
# define WINDOWS_CCONV stdcall
# elif defined(x86_64_HOST_ARCH)
# define WINDOWS_CCONV ccall
# else
# error Unknown mingw32 arch
# endif
foreign import WINDOWS_CCONV safe "Sleep" _sleep :: Int -> IO ()
usleep n = _sleep (n `quot` 1000)
#else
foreign import ccall safe "usleep" usleep :: Int -> IO ()
#endif
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