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From: no-spam@cua.dk (Kim F. Storm)
Cc: emacs-devel@gnu.org, ding@gnus.org
Subject: Re: display-time, mail-icon and POP3 mailboxes
Date: 13 Feb 2002 23:13:48 +0100	[thread overview]
Message-ID: <5x3d0558tf.fsf@kfs2.cua.dk> (raw)
In-Reply-To: <200202131538.g1DFcGc08698@aztec.santafe.edu>

Richard Stallman <rms@gnu.org> writes:

>     I haven't debugged this specifically with emacs, but in other
>     programs, it has been necessary to make connect non-blocking with
>     fcntl(s,F_SETFL,O_NONBLOCK) and then use the writefds of select to
>     know when the connect has completed (at least on GNU/Linux).
> 
> Would you like to write that code?

I could give it a try - but I can only test it on GNU/Linux,
so I will need to make some sensible choices about how to
conditionally support this feature.

I think I will need to test for the availability of HAVE_SELECT,
F_SETFL, O_NONBLOCK, and HAVE_GETPEERNAME (which is used to check
whether the connect actually succeeded).  

But that might not work on all systems, so I may need to add a
BROKEN_NON_BLOCKING_CONNECT define which can be set for systems where
this doesn't work (just to be defencive).

There is currently no HAVE_GETPEERNAME check in configure, but I
suppose that can be added (by someone who speaks autoconf :-)

-- 
Kim F. Storm  http://www.cua.dk


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  parent reply	other threads:[~2002-02-13 22:13 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2002-02-07  9:54 display-time, mail-icon and POP3 mailboxes Pavel Janík
2002-02-08 13:57 ` Richard Stallman
2002-02-08 20:54   ` Pavel Janík
2002-02-08 23:14     ` Kim F. Storm
     [not found]       ` <m3pu3dqizu.fsf@Janik.cz>
2002-02-10 19:57         ` Kim F. Storm
2002-02-11 18:48           ` Richard Stallman
     [not found]           ` <200202111848.g1BIm0406891@aztec.santafe.edu>
2002-02-11 23:31             ` Kim F. Storm
2002-02-12 16:32               ` Paul Jarc
2002-02-13  0:27                 ` Kim F. Storm
2002-02-14  3:12                   ` Richard Stallman
     [not found]                   ` <200202140312.g1E3CMf09146@aztec.santafe.edu>
2002-02-14  9:41                     ` Kim F. Storm
2002-02-15 10:36                       ` Richard Stallman
2002-02-13 15:38               ` Richard Stallman
     [not found]               ` <200202131538.g1DFcGc08698@aztec.santafe.edu>
2002-02-13 22:13                 ` Kim F. Storm [this message]
2002-02-15 10:37                   ` Richard Stallman
2002-02-15 10:37                   ` Richard Stallman

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