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bug#8451: 23.2.1 fails to start on GNU/Hurd due to bogus code in term.c
From: |
Svante Signell |
Subject: |
bug#8451: 23.2.1 fails to start on GNU/Hurd due to bogus code in term.c |
Date: |
Fri, 08 Apr 2011 14:54:32 +0200 |
Package: emacs
Version: 23.2+1-7
Severity: Important
Tags: patch
Usertags: hurd
Starting Debian emacs 23.2+1-7 in non-window system mode on GNU/Hurd
fails due to bogus code:
#:~ emacs -nw
emacs: Not a tty device: /dev/tty
src/term.c:
#ifdef O_IGNORE_CTTY
if (!ctty)
/* Open the terminal device. Don't recognize it as our
controlling terminal, and don't make it the controlling tty
if we don't have one at the moment. */
fd = emacs_open (name, O_RDWR | O_IGNORE_CTTY | O_NOCTTY, 0);
else
#else
/* Alas, O_IGNORE_CTTY is a GNU extension that seems to be only
defined on Hurd. On other systems, we need to explicitly
dissociate ourselves from the controlling tty when we want to
open a frame on the same terminal. */
fd = emacs_open (name, O_RDWR | O_NOCTTY, 0);
#endif /* O_IGNORE_CTTY */
tty->name = xstrdup (name);
When O_IGNORE_CTTY is defined (which is the case only on GNU/Hurd...),
the else branch is actually tty->name = xstrdup(name); ... The obvious
fix is attached (provided by Samuel Thibault)
--- src/term.c.orig 2011-01-20 02:14:50.000000000 +0100
+++ src/term.c 2011-01-20 02:15:43.000000000 +0100
@@ -3428,13 +3428,12 @@ init_tty (char *name, char *terminal_typ
if we don't have one at the moment. */
fd = emacs_open (name, O_RDWR | O_IGNORE_CTTY | O_NOCTTY, 0);
else
-#else
+#endif /* O_IGNORE_CTTY */
/* Alas, O_IGNORE_CTTY is a GNU extension that seems to be only
defined on Hurd. On other systems, we need to explicitly
dissociate ourselves from the controlling tty when we want to
open a frame on the same terminal. */
fd = emacs_open (name, O_RDWR | O_NOCTTY, 0);
-#endif /* O_IGNORE_CTTY */
tty->name = xstrdup (name);
terminal->name = xstrdup (name);
Is this fixed in 23.3 already?
FYI: Emacs still does not work when editing a directory in non-window mode or
in X.
GNU Emacs 23.2.1 (i486-pc-gnu)
of 2011-01-20 on kvm-hurd, modified by Debian
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Svante Signell <=