From: Remi Vanicat <vanicat@labri.u-bordeaux.fr>
To: caml-list@inria.fr
Subject: Re: [Caml-list] different behaviour of Unix.fork on FreeBSD and Linux
Date: Mon, 19 May 2003 12:03:40 +0200 [thread overview]
Message-ID: <871xyvs16r.dlv@wanadoo.fr> (raw)
In-Reply-To: <D971A27FCD3DE04689089E8A98D8AF7107C308@G9JJ1.mgb01.telekom.de> ("Beck01, Wolfgang"'s message of "Mon, 19 May 2003 11:35:59 +0200")
"Beck01, Wolfgang" <BeckW@t-systems.com> writes:
[...]
> open Printf
> open Unix
>
> let ftst() =
> let pid = fork()
> in
> if pid = 0 then
> printf "son\n"
> else begin
> printf "father\n";
> let _= wait()
> in
> ()
> end
>
> let aa =
> printf "test\n"
>
> let main() =
> printf "main\n";
> ftst()
> ;;
[...]
>
> However, on Linux (OCaml 3.06), it is
>
> test
> main
> son
> test <-- why?
> main <-- why?
> father
it is a problem of bufferisation of the output made by printf. If you
flush stdout before forking, there will be no problem.
--
Rémi Vanicat
vanicat@labri.u-bordeaux.fr
http://dept-info.labri.u-bordeaux.fr/~vanicat
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next prev parent reply other threads:[~2003-05-19 10:03 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-05-19 9:35 Beck01, Wolfgang
2003-05-19 10:03 ` Remi Vanicat [this message]
2003-05-19 10:03 ` John Carr
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