From: Eli Zaretskii <eliz@gnu.org>
To: Andreas Schwab <schwab@suse.de>
Cc: vincent@vinc17.net, 18851@debbugs.gnu.org
Subject: bug#18851: 24.4; emacs cannot be started if the current directory has been removed
Date: Wed, 29 Oct 2014 18:00:23 +0200 [thread overview]
Message-ID: <83egtq27e0.fsf@gnu.org> (raw)
In-Reply-To: <mvmioj2lwb9.fsf@hawking.suse.de>
> From: Andreas Schwab <schwab@suse.de>
> Cc: Vincent Lefevre <vincent@vinc17.net>, 18851@debbugs.gnu.org
> Date: Wed, 29 Oct 2014 16:39:22 +0100
>
> > AFAIK, GNU/Linux does the former. The directory is not physically
> > removed until the last process that has an open file descriptor for it
> > closes that descriptor. Any attempts to reference that directory for
> > obtaining a new descriptor will get ENOENT, i.e. the OS pretends that
> > the directory doesn't exist. But existing descriptors are valid, and
> > can be used as usual.
>
> "As usual" is an exaggeration. Basically the only valid operations on
> it are fstat and fchdir. Any attempt at adding an entry to it (via
> openat) will be rejected.
Yes, any attempt to add descriptors will fail. By "as usual" I meant
using the descriptor to extract information, like fstat, readdir, etc.
next prev parent reply other threads:[~2014-10-29 16:00 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-10-27 13:33 bug#18851: 24.4; emacs cannot be started if the current directory has been removed Vincent Lefevre
2014-10-28 21:34 ` Glenn Morris
2014-10-29 1:28 ` Vincent Lefevre
2014-10-29 3:50 ` Eli Zaretskii
2014-10-29 8:09 ` Vincent Lefevre
2014-10-29 12:57 ` Stefan Monnier
2014-10-29 14:27 ` Eli Zaretskii
2014-10-29 15:39 ` Vincent Lefevre
2014-10-29 16:07 ` Eli Zaretskii
2014-10-29 16:44 ` Vincent Lefevre
2014-10-29 16:15 ` Andreas Schwab
2014-10-29 16:51 ` Vincent Lefevre
2014-10-29 17:31 ` Andreas Schwab
2014-10-29 17:45 ` Vincent Lefevre
2014-10-29 18:23 ` Ivan Shmakov
2014-10-29 21:11 ` Andreas Schwab
2014-10-30 0:39 ` Stefan Monnier
2015-06-12 0:39 ` Glenn Morris
2015-06-12 7:53 ` Eli Zaretskii
2015-06-12 15:45 ` Glenn Morris
2015-06-12 19:31 ` Eli Zaretskii
2015-06-13 1:29 ` Glenn Morris
2015-06-13 7:56 ` Eli Zaretskii
2015-06-13 23:45 ` Glenn Morris
2014-10-29 14:23 ` Eli Zaretskii
2014-10-29 15:39 ` Andreas Schwab
2014-10-29 16:00 ` Eli Zaretskii [this message]
2014-10-29 16:05 ` Vincent Lefevre
2014-10-29 16:21 ` Eli Zaretskii
2014-10-29 3:40 ` Eli Zaretskii
2014-10-29 10:57 ` Emacs bugs at the Debian BTS Ivan Shmakov
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