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Diffstat (limited to 'testsuite/tests/concurrent/should_run/allowinterrupt001.hs')
| -rw-r--r-- | testsuite/tests/concurrent/should_run/allowinterrupt001.hs | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/testsuite/tests/concurrent/should_run/allowinterrupt001.hs b/testsuite/tests/concurrent/should_run/allowinterrupt001.hs new file mode 100644 index 0000000000..938aa65383 --- /dev/null +++ b/testsuite/tests/concurrent/should_run/allowinterrupt001.hs @@ -0,0 +1,13 @@ +import Control.Exception +import Control.Concurrent +import GHC.Conc +import Control.Monad + +nfib n = if n < 2 then 1 else nfib (n-2) + nfib (n-1) + +main = do + t <- mask_ $ forkIO $ forM_ [1..] $ \n -> nfib n `seq` allowInterrupt + killThread t + let loop = do r <- threadStatus t + when (r /= ThreadFinished) $ do yield; loop + loop |