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Code Issues Releases Activity

Use DEV_TTY more consistently

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* src/conf_post.h (DEV_TTY): Move from here ...
* src/keyboard.c, src/keyboard.h: ... to here, as it doesn’t need
to be visible everywhere.  Make it a constant.
* src/keyboard.c (handle_interrupt, Fset_quit_char):
* src/process.c (create_process): Prefer DEV_TTY to "/dev/tty".
This commit is contained in:
Paul Eggert 2016-09-06 17:27:24 -07:00
parent 644f77b517
commit 5d2ac7435d
5 changed files with 12 additions and 13 deletions
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9
src/conf_post.h
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@ -140,10 +140,6 @@ typedef bool bool_bf;
#undef HAVE_RINT
#endif /* HPUX */
#ifdef WINDOWSNT
# define DEV_TTY "CONOUT$"
#endif
#ifdef MSDOS
#ifndef __DJGPP__
You lose; /* Emacs for DOS must be compiled with DJGPP */
@ -246,11 +242,6 @@ extern int emacs_setenv_TZ (char const *);
#include <string.h>
#include <stdlib.h>
#ifndef DEV_TTY
# define DEV_TTY "/dev/tty"
#endif
#if __GNUC__ >= 3 /* On GCC 3.0 we might get a warning. */
#define NO_INLINE __attribute__((noinline))
#else

10
src/keyboard.c
View File

@ -75,6 +75,12 @@ along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */
# pragma GCC diagnostic ignored "-Wclobbered"
#endif
#ifdef WINDOWSNT
char const DEV_TTY[] = "CONOUT$";
#else
char const DEV_TTY[] = "/dev/tty";
#endif
/* Variables for blockinput.h: */
/* Positive if interrupt input is blocked right now. */
@ -10310,7 +10316,7 @@ handle_interrupt (bool in_signal_handler)
cancel_echoing ();
/* XXX This code needs to be revised for multi-tty support. */
if (!NILP (Vquit_flag) && get_named_terminal ("/dev/tty"))
if (!NILP (Vquit_flag) && get_named_terminal (DEV_TTY))
{
if (! in_signal_handler)
{
@ -10609,7 +10615,7 @@ process.
See also `current-input-mode'. */)
(Lisp_Object quit)
{
struct terminal *t = get_named_terminal ("/dev/tty");
struct terminal *t = get_named_terminal (DEV_TTY);
struct tty_display_info *tty;
if (!t)

2
src/keyboard.h
View File

@ -496,6 +496,8 @@ extern void mark_kboards (void);
extern const char *const lispy_function_keys[];
#endif
extern char const DEV_TTY[];
INLINE_HEADER_END
#endif /* EMACS_KEYBOARD_H */

2
src/process.c
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@ -1917,7 +1917,7 @@ create_process (Lisp_Object process, char **new_argv, Lisp_Object current_dir)
{
/* I wonder: would just ioctl (0, TIOCNOTTY, 0) work here?
I can't test it since I don't have 4.3. */
int j = emacs_open ("/dev/tty", O_RDWR, 0);
int j = emacs_open (DEV_TTY, O_RDWR, 0);
if (j >= 0)
{
ioctl (j, TIOCNOTTY, 0);

2
src/term.c
View File

@ -3905,7 +3905,7 @@ dissociate_if_controlling_tty (int fd)
/* Create a termcap display on the tty device with the given name and
type.
If NAME is NULL, then use the controlling tty, i.e., "/dev/tty".
If NAME is NULL, then use the controlling tty, i.e., DEV_TTY.
Otherwise NAME should be a path to the tty device file,
e.g. "/dev/pts/7".