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Re: Last change to process.c breaks fetching pop3 mail (gnus/pop3.el)

From: Kim F. Storm
Subject: Re: Last change to process.c breaks fetching pop3 mail (gnus/pop3.el)
Date: 03 Jun 2004 13:48:07 +0200
User-agent: Gnus/5.09 (Gnus v5.9.0) Emacs/21.3.50

Richard Stallman <address@hidden> writes:

>     IIUC, the problem is that a network process' sentinel would like to
>     be able to differentiate between the case where the connection is
>     closed because the remote end closed the connection, or because it
>     was closed by a call to delete-process.  
> If that is the issue, we could arrange for delete-process to call the
> sentinel in a special way.  Perhaps we could have a different state
> for connections closed by delete-process.
>     Now, to let the sentinel treat network processes and subprocesses
>     alike, Noah suggests that the sentinel could look to see if the
>     process' buffer is still alive.
> That is clearly the wrong criterion, since after delete-process the
> buffer would often still be alive.
>     The string passed to the sentinel is "finished\n" if delete-process
>     was called;  otherwise it is "exited abnormally with code 256".
> That general idea is ok, though using the status symbol would
> be a cleaner way to distinguish.


Here, process-status returns `closed' in both cases, while
process-exit-status returns 0 after delete-process and 256 for
a broken connection.

> But "finished" is the wrong way to decribe delete-process.
> "deleted" would be more appropriate.

Normally, you would use delete-process to close the connection.

So in that aspect "closed" would be better than "deleted".

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