From: Eli Zaretskii <eliz@gnu.org>
To: Dan Nicolaescu <dann@gnu.org>
Cc: emacs-devel@gnu.org
Subject: Re: setpgrp on msdos and w32
Date: Mon, 15 Nov 2010 18:13:22 +0200 [thread overview]
Message-ID: <83mxpad0pp.fsf@gnu.org> (raw)
In-Reply-To: <yxqhbfj13n1.fsf@fencepost.gnu.org>
> From: Dan Nicolaescu <dann@gnu.org>
> Date: Mon, 15 Nov 2010 01:50:58 -0500
>
> Does setpgrp do anything in our msdos and w32 ports?
No. You will see a no-op emulation of setpgrp in w32.c (for w32); the
C library used to build the MSDOS port does not even have an emulation.
> The #else branch of this code from callproc.c:child_setup
>
> #if defined(USG)
> #ifndef SETPGRP_RELEASES_CTTY
> setpgrp (); /* No arguments but equivalent in this case */
> #endif
> #else
> setpgrp (pid, pid);
> #endif /* USG */
>
> might be executed on msdos and w32.
It isn't, because neither of these 2 builds defines USG.
> If setpgrp does not do anything, this code can be moved inside the not WINDOWSNT and not MSDOS
> #ifdefs, and that would allow all the code from that point to the end of the function to move
> up, removing one set of #ifdefs.
Yes, feel free to do that. Thanks.
prev parent reply other threads:[~2010-11-15 16:13 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-11-15 6:50 setpgrp on msdos and w32 Dan Nicolaescu
2010-11-15 16:13 ` Eli Zaretskii [this message]
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