/* Terminal control module for terminals described by TERMCAP
- Copyright (C) 1985-1987, 1993-1995, 1998, 2000-2012
- Free Software Foundation, Inc.
+ Copyright (C) 1985-1987, 1993-1995, 1998, 2000-2013 Free Software
+ Foundation, Inc.
This file is part of GNU Emacs.
/* New redisplay, TTY faces by Gerd Moellmann <gerd@gnu.org>. */
#include <config.h>
-#include <stdio.h>
#include <errno.h>
+#include <fcntl.h>
+#include <stdio.h>
#include <sys/file.h>
#include <sys/time.h>
#include <unistd.h>
-#include <signal.h>
-#include <setjmp.h>
#include "lisp.h"
#include "termchar.h"
-#include "termopts.h"
#include "tparam.h"
#include "character.h"
#include "buffer.h"
#include "xterm.h"
#endif
-#ifndef O_RDWR
-#define O_RDWR 2
-#endif
-
-#ifndef O_NOCTTY
-#define O_NOCTTY 0
-#endif
-
/* The name of the default console device. */
#ifdef WINDOWSNT
#define DEV_TTY "CONOUT$"
+#include "w32term.h"
#else
#define DEV_TTY "/dev/tty"
#endif
static int max_frame_cols;
-/* Non-zero if we have dropped our controlling tty and therefore
- should not open a frame on stdout. */
-static int no_controlling_tty;
-
\f
#ifdef HAVE_GPM
conversion_buffer = encode_terminal_code (string, n, coding);
if (coding->produced > 0)
{
- BLOCK_INPUT;
+ block_input ();
fwrite (conversion_buffer, 1, coding->produced, tty->output);
if (ferror (tty->output))
clearerr (tty->output);
if (tty->termscript)
fwrite (conversion_buffer, 1, coding->produced, tty->termscript);
- UNBLOCK_INPUT;
+ unblock_input ();
}
string += n;
conversion_buffer = encode_terminal_code (string, len, coding);
if (coding->produced > 0)
{
- BLOCK_INPUT;
+ block_input ();
fwrite (conversion_buffer, 1, coding->produced, tty->output);
if (ferror (tty->output))
clearerr (tty->output);
if (tty->termscript)
fwrite (conversion_buffer, 1, coding->produced, tty->termscript);
- UNBLOCK_INPUT;
+ unblock_input ();
}
/* Turn appearance modes off. */
if (coding->produced > 0)
{
- BLOCK_INPUT;
+ block_input ();
fwrite (conversion_buffer, 1, coding->produced, tty->output);
if (ferror (tty->output))
clearerr (tty->output);
if (tty->termscript)
fwrite (conversion_buffer, 1, coding->produced, tty->termscript);
- UNBLOCK_INPUT;
+ unblock_input ();
}
OUTPUT1_IF (tty, tty->TS_pad_inserted_char);
const char *single = n > 0 ? tty->TS_ins_line : tty->TS_del_line;
const char *scroll = n > 0 ? tty->TS_rev_scroll : tty->TS_fwd_scroll;
- register int i = n > 0 ? n : -n;
- register char *buf;
+ int i = eabs (n);
+ char *buf;
/* If the lines below the insertion are being pushed
into the end of the window, this is the same as clearing;
/* This can happen if CANNOT_DUMP or with strange options. */
if (!KEYMAPP (KVAR (kboard, Vinput_decode_map)))
- KSET (kboard, Vinput_decode_map, Fmake_sparse_keymap (Qnil));
+ kset_input_decode_map (kboard, Fmake_sparse_keymap (Qnil));
for (i = 0; i < (sizeof (keys)/sizeof (keys[0])); i++)
{
{
glyph->resolved_level = it->bidi_it.resolved_level;
if ((it->bidi_it.type & 7) != it->bidi_it.type)
- abort ();
+ emacs_abort ();
glyph->bidi_type = it->bidi_it.type;
}
else
{
glyph->resolved_level = it->bidi_it.resolved_level;
if ((it->bidi_it.type & 7) != it->bidi_it.type)
- abort ();
+ emacs_abort ();
glyph->bidi_type = it->bidi_it.type;
}
else
{
glyph->resolved_level = it->bidi_it.resolved_level;
if ((it->bidi_it.type & 7) != it->bidi_it.type)
- abort ();
+ emacs_abort ();
glyph->bidi_type = it->bidi_it.type;
}
else
struct terminal *t;
if (!name)
- abort ();
+ emacs_abort ();
for (t = terminal_list; t; t = t->next_terminal)
{
struct tty_output *t = xzalloc (sizeof *t);
if (! FRAME_TERMCAP_P (f))
- abort ();
+ emacs_abort ();
t->display_info = FRAME_TERMINAL (f)->display_info.tty;
tty_free_frame_resources (struct frame *f)
{
if (! FRAME_TERMCAP_P (f))
- abort ();
+ emacs_abort ();
if (FRAME_FACE_CACHE (f))
free_frame_faces (f);
tty_free_frame_resources (struct frame *f)
{
if (! FRAME_TERMCAP_P (f) && ! FRAME_MSDOS_P (f))
- abort ();
+ emacs_abort ();
if (FRAME_FACE_CACHE (f))
free_frame_faces (f);
static void
dissociate_if_controlling_tty (int fd)
{
-#ifndef DOS_NT
- int pgid = tcgetpgrp (fd); /* If tcgetpgrp succeeds, fd is the ctty. */
- if (pgid != -1)
- {
-#if defined (USG5)
- setpgrp ();
- no_controlling_tty = 1;
-#elif defined (CYGWIN)
- setsid ();
- no_controlling_tty = 1;
-#else
-#ifdef TIOCNOTTY /* Try BSD ioctls. */
- sigblock (sigmask (SIGTTOU));
- fd = emacs_open (DEV_TTY, O_RDWR, 0);
- if (fd != -1 && ioctl (fd, TIOCNOTTY, 0) != -1)
- {
- no_controlling_tty = 1;
- }
- if (fd != -1)
- emacs_close (fd);
- sigunblock (sigmask (SIGTTOU));
-#else
- /* Unknown system. */
- croak ();
-#endif /* ! TIOCNOTTY */
-#endif /* ! USG */
- }
-#endif /* !DOS_NT */
+ pid_t pgid = tcgetpgrp (fd); /* If tcgetpgrp succeeds, fd is the ctty. */
+ if (0 <= pgid)
+ setsid ();
}
/* Create a termcap display on the tty device with the given name and
#else
tty = xzalloc (sizeof *tty);
#endif
+ tty->top_frame = Qnil;
tty->next = tty_list;
tty_list = tty;
set_tty_hooks (terminal);
{
- int fd;
+ /* Open the terminal device. */
FILE *file;
-#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
-#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);
+ /* If !ctty, don't recognize it as our controlling terminal, and
+ don't make it the controlling tty if we don't have one now.
+
+ 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. */
+ int flags = O_RDWR | O_NOCTTY | (ctty ? 0 : O_IGNORE_CTTY);
+ int fd = emacs_open (name, flags, 0);
tty->name = xstrdup (name);
terminal->name = xstrdup (name);
name);
}
-#ifndef O_IGNORE_CTTY
- if (!ctty)
+ if (!O_IGNORE_CTTY && !ctty)
dissociate_if_controlling_tty (fd);
-#endif
file = fdopen (fd, "w+");
tty->input = file;
/* On some systems, tgetent tries to access the controlling
terminal. */
- sigblock (sigmask (SIGTTOU));
- status = tgetent (tty->termcap_term_buffer, terminal_type);
- sigunblock (sigmask (SIGTTOU));
+ {
+ sigset_t blocked;
+ sigemptyset (&blocked);
+ sigaddset (&blocked, SIGTTOU);
+ pthread_sigmask (SIG_BLOCK, &blocked, 0);
+ status = tgetent (tty->termcap_term_buffer, terminal_type);
+ pthread_sigmask (SIG_UNBLOCK, &blocked, 0);
+ }
if (status < 0)
{
#ifndef TERMINFO
if (strlen (tty->termcap_term_buffer) >= buffer_size)
- abort ();
+ emacs_abort ();
buffer_size = strlen (tty->termcap_term_buffer);
#endif
tty->termcap_strings_buffer = area = xmalloc (buffer_size);
FrameCols (tty) = FRAME_COLS (f);
tty->specified_window = FRAME_LINES (f);
- FRAME_CAN_HAVE_SCROLL_BARS (f) = 0;
FRAME_VERTICAL_SCROLL_BAR_TYPE (f) = vertical_scroll_bar_none;
terminal->char_ins_del_ok = 1;
baud_rate = 19200;
terminal->kboard = xmalloc (sizeof *terminal->kboard);
init_kboard (terminal->kboard);
- KSET (terminal->kboard, Vwindow_system, Qnil);
+ kset_window_system (terminal->kboard, Qnil);
terminal->kboard->next_kboard = all_kboards;
all_kboards = terminal->kboard;
terminal->kboard->reference_count++;
= tty->TS_delete_mode && tty->TS_insert_mode
&& !strcmp (tty->TS_delete_mode, tty->TS_insert_mode);
- tty->se_is_so = (tty->TS_standout_mode
- && tty->TS_end_standout_mode
- && !strcmp (tty->TS_standout_mode, tty->TS_end_standout_mode));
-
UseTabs (tty) = tabs_safe_p (fileno (tty->input)) && TabWidth (tty) == 8;
terminal->scroll_region_ok
verror (str1, ap);
va_end (ap);
- abort ();
+ emacs_abort ();
}
void
return;
if (terminal->type != output_termcap)
- abort ();
+ emacs_abort ();
tty = terminal->display_info.tty;
if (! p)
/* This should not happen. */
- abort ();
+ emacs_abort ();
p->next = tty->next;
tty->next = 0;
xfree (tty);
}
-\f
-
-/* Mark the pointers in the tty_display_info objects.
- Called by Fgarbage_collect. */
-
-void
-mark_ttys (void)
-{
- struct tty_display_info *tty;
-
- for (tty = tty_list; tty; tty = tty->next)
- mark_object (tty->top_frame);
-}
-
-\f
-
void
syms_of_term (void)
{
HCoop / bpt / emacs.git / blobdiff