I later ran into another problem that may or may not be related with the
first. This is the program I am running:
module Main where
import Posix
main = do
installHandler sigCONT (Catch (putStrLn "- resumed -")) Nothing
forever $ do
c <- getChar
putChar c
forever = sequence_ . repeat
This is the output from a conversation with the shell:
% ./program &
[2] 8959
[2] + Suspended (tty input) ./program
% fg
./program
a
a
b
b
c
c
d
d
e
e- resumed -
The handler is run not shortly after the signal is received, but only
after a sufficient amount of I/O or processing has been done by the main
process.
Anders Lau Olsen
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