WIP try dup-ing stderr from parent process

This commit is contained in:
Nathan Dwarshuis 2023-01-02 21:01:12 -05:00
parent bfa7f40818
commit 66550a08a6
1 changed files with 5 additions and 6 deletions

View File

@ -98,20 +98,19 @@ spawnPipe = liftIO . spawnPipeRW
spawnPipeRW :: T.Text -> IO Handle spawnPipeRW :: T.Text -> IO Handle
spawnPipeRW x = do spawnPipeRW x = do
(rI, wI) <- createPipe (rI, wI) <- createPipe
(rO, wO) <- createPipe -- (rO, wO) <- createPipe
-- I'm assuming the only place this matters is when xmonad is restarted (which -- I'm assuming the only place this matters is when xmonad is restarted (which
-- calls exec); since these are the ends of the pipe that xmonad will be -- calls exec); since these are the ends of the pipe that xmonad will be
-- using, this ensures they will be closed when restarting -- using, this ensures they will be closed when restarting
forM_ [wI, rO] $ \fd -> setFdOption fd CloseOnExec True err <- dup stdError
forM_ [wI, err] $ \fd -> setFdOption fd CloseOnExec True
h <- mkHandle wI h <- mkHandle wI
void $ X.xfork $ do void $ X.xfork $ do
void $ dupTo rI stdInput void $ dupTo rI stdInput
void $ dupTo wO stdOutput void $ dupTo err stdOutput
void $ dupTo wO stdError void $ dupTo err stdError
executeFile "/bin/sh" False ["-c", T.unpack x] Nothing executeFile "/bin/sh" False ["-c", T.unpack x] Nothing
void $ dupTo stdError rO
closeFd rI closeFd rI
closeFd wO
return h return h
where where
mkHandle fd = do mkHandle fd = do