49 lines
1.5 KiB
Haskell
49 lines
1.5 KiB
Haskell
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import System.Exit (ExitCode(..), exitWith)
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import System.Posix.Process
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import System.Posix.Signals
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main = do test1
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test2
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test3
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test4
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putStrLn "I'm happy."
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test1 = do
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-- Force SIGFPE exceptions to not be ignored. Under some
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-- circumstances this test will be run with SIGFPE
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-- ignored, see #7399
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installHandler sigFPE Default Nothing
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forkProcess $ raiseSignal floatingPointException
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Just (pid, tc) <- getAnyProcessStatus True False
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case tc of
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Terminated sig _ | sig == floatingPointException -> return ()
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_ -> error "unexpected termination cause"
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test2 = do
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forkProcess $ exitImmediately (ExitFailure 42)
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Just (pid, tc) <- getAnyProcessStatus True False
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case tc of
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Exited (ExitFailure 42) -> return ()
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_ -> error "unexpected termination cause (2)"
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test3 = do
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forkProcess $ exitImmediately ExitSuccess
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Just (pid, tc) <- getAnyProcessStatus True False
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case tc of
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Exited ExitSuccess -> return ()
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_ -> error "unexpected termination cause (3)"
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test4 = do
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forkProcess $ raiseSignal softwareStop
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Just (pid, tc) <- getAnyProcessStatus True True
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case tc of
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Stopped sig | sig == softwareStop -> do
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signalProcess killProcess pid
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Just (pid, tc) <- getAnyProcessStatus True True
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case tc of
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Terminated sig _ | sig == killProcess -> return ()
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_ -> error "unexpected termination cause (5)"
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_ -> error "unexpected termination cause (4)"
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