When you succeed please write about it - I'd love to read about it!I was interested in writing a deamon in the past but didn't have time for it and a nice tutorial would probably help a lot.
All best Christopher Skrzętnicki On Sun, Jan 25, 2009 at 02:57, Belka <lambda-be...@yandex.ru> wrote: > > >If you want a normal daemon, you want to look at System.Posix.Process > >to create a proper daemon (forkProcess, createSession; don't forget to > >close stdOutput (and, errr, Haskell library types: stdin and stderr > >are where? not System.Posix.IO with stdOutput) and reopen them on / > >dev/null, at least if they're ttys as determined by > >System.Posix.Terminal.queryTerminal). You also want to write out a > >pidfile (/var/run/programname.pid) for use by startproc / killproc, > >and you want to install a handler for sigTERM > >(System.Posix.Signals.installHandler) which sets the exit flag (TVar, > >MVar, IORef, Chan, take your pick). Ideally you also catch sigHUP and > >reload your state. > > Thanks for the guide, Brandon !! > > By the way, I found a piece of code with function (daemonize :: IO () -> IO > ()) (http://sneakymustard.com/2008/12/11/haskell-daemons), which is close > to > the subject. > > I guess now I'm ready to implement my own daemon! > Thanks for your help, everyboby!! =)
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