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Fix race condition in PackageTests/NewBuild/CmdRun/Terminate #8081

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Merged
merged 1 commit into from
Apr 4, 2022
Merged

Fix race condition in PackageTests/NewBuild/CmdRun/Terminate #8081

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14 changes: 6 additions & 8 deletions cabal-testsuite/PackageTests/NewBuild/CmdRun/Terminate/Main.hs
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Original file line number Diff line number Diff line change
Expand Up @@ -4,13 +4,11 @@ import qualified System.Posix.Signals as Signal
import System.Exit (exitFailure)

main = do
writeFile "exe.run" "up and running"
mainThreadId <- myThreadId
Signal.installHandler Signal.sigTERM (Signal.Catch $ killThread mainThreadId) Nothing
sleep
`finally` putStrLn "exiting"
where
sleep = do
putStrLn "about to sleep"
threadDelay 10000000 -- 10s
putStrLn "done sleeping"
do
putStrLn "about to sleep"
writeFile "exe.run" "up and running"
threadDelay 10000000 -- 10s
putStrLn "done sleeping"
`finally` putStrLn "exiting"