/* systty.h - System-dependent definitions for terminals.
Copyright (C) 1993, 1994, 2001, 2002, 2003, 2004,
- 2005, 2006, 2007, 2008 Free Software Foundation, Inc.
+ 2005, 2006, 2007, 2008, 2009, 2010, 2011 Free Software Foundation, Inc.
This file is part of GNU Emacs.
-GNU Emacs is free software; you can redistribute it and/or modify
+GNU Emacs is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
-the Free Software Foundation; either version 3, or (at your option)
-any later version.
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
GNU Emacs is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
-along with GNU Emacs; see the file COPYING. If not, write to
-the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
-Boston, MA 02110-1301, USA. */
+along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */
-#ifdef HAVE_TERMIOS
-#define HAVE_TCATTR
-#endif
-
-\f
/* Include the proper files. */
-#ifdef HAVE_TERMIO
+#ifndef DOS_NT
#ifndef NO_TERMIO
#include <termio.h>
#endif /* not NO_TERMIO */
-#ifndef INCLUDED_FCNTL
-#define INCLUDED_FCNTL
-#include <fcntl.h>
-#endif
-#else /* not HAVE_TERMIO */
-#ifdef HAVE_TERMIOS
-#if defined(_AIX) && defined(_I386)
-#include <termios.h> /* termios.h needs to be before termio.h */
-#include <termio.h>
-#else /* not (_AIX && _I386) */
-#ifndef NO_TERMIO
-#include <termio.h>
-#endif
#include <termios.h>
-#endif /* not (_AIX && _I386) */
-#define INCLUDED_FCNTL
#include <fcntl.h>
-#else /* neither HAVE_TERMIO nor HAVE_TERMIOS */
-#ifndef VMS
-#ifndef DOS_NT
-#include <sgtty.h>
#endif /* not DOS_NT */
-#else /* VMS */
-#include <descrip.h>
-static struct iosb
-{
- short status;
- short offset;
- short termlen;
- short term;
-} input_iosb;
-extern int waiting_for_ast;
-extern int stop_input;
-extern int input_ef;
-extern int timer_ef;
-extern int process_ef;
-extern int input_eflist;
-extern int timer_eflist;
-
-static $DESCRIPTOR (input_dsc, "TT");
-static int terminator_mask[2] = { 0, 0 };
-
-static struct sensemode {
- short status;
- unsigned char xmit_baud;
- unsigned char rcv_baud;
- unsigned char crfill;
- unsigned char lffill;
- unsigned char parity;
- unsigned char unused;
- char class;
- char type;
- short scr_wid;
- unsigned long tt_char : 24, scr_len : 8;
- unsigned long tt2_char;
-} sensemode_iosb;
-#endif /* VMS */
-#endif /* not HAVE_TERMIOS */
-#endif /* not HAVE_TERMIO */
-
-#ifdef __GNU_LIBRARY__
#include <sys/ioctl.h>
-#include <termios.h>
-#endif
-#ifdef AIXHFT
-/* Get files for keyboard remapping */
-#define HFNKEYS 2
-#include <sys/hft.h>
-#include <sys/devinfo.h>
-#endif
-
-/* Get rid of LLITOUT in 4.1, since it is said to stimulate kernel bugs. */
-#ifdef BSD4_1
-#undef LLITOUT
-#define LLITOUT 0
-#endif /* 4.1 */
-
-#ifdef NEED_BSDTTY
+#ifdef HPUX
#include <sys/bsdtty.h>
-#endif
-
-#if defined (HPUX) && defined (HAVE_PTYS)
#include <sys/ptyio.h>
#endif
#include <sys/pty.h>
#endif /* AIX */
-#if (defined (POSIX) || defined (NEED_UNISTD_H)) && defined (HAVE_UNISTD_H)
+#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
-#ifdef SYSV_PTYS
-#include <sys/types.h>
-#include <sys/tty.h>
-#include <sys/pty.h>
-#endif
-
\f
/* Special cases - inhibiting the use of certain features. */
-#ifdef BROKEN_TIOCGETC
-#undef TIOCGETC /* Avoid confusing some conditionals that test this. */
-#endif
-
/* Allow m- file to inhibit use of FIONREAD. */
#ifdef BROKEN_FIONREAD
#undef FIONREAD
#undef SIGIO
#endif
-/* On TERMIOS systems, the tcmumbleattr calls take care of these
- parameters, and it's a bad idea to use them (on AIX, it makes the
- tty hang for a long time). */
-#if defined (TIOCGLTC) && !defined (HAVE_TERMIOS)
-#define HAVE_LTCHARS
-#endif
-
-#if defined (TIOCGETC) && !defined (HAVE_TERMIOS)
-#define HAVE_TCHARS
-#endif
-
\f
/* Try to establish the correct character to disable terminal functions
in a system-independent manner. Note that USG (at least) define
#define EMACS_OUTQSIZE(fd, size) (ioctl ((fd), TIOCOUTQ, (size)))
#endif
-#ifdef HAVE_TERMIO
-#ifdef TCOUTQ
-#undef EMACS_OUTQSIZE
-#define EMACS_OUTQSIZE(fd, size) (ioctl ((fd), TCOUTQ, (size)))
-#endif
-#endif
-
\f
/* Manipulate a terminal's current process group. */
-/* EMACS_HAVE_TTY_PGRP is true if we can get and set the tty's current
- controlling process group.
-
- EMACS_GET_TTY_PGRP(int FD, int *PGID) sets *PGID the terminal FD's
- current process group. Return -1 if there is an error.
-
- EMACS_SET_TTY_PGRP(int FD, int *PGID) sets the terminal FD's
- current process group to *PGID. Return -1 if there is an error. */
-
-#ifdef HPUX
-/* HPUX tty process group stuff doesn't work, says the anonymous voice
- from the past. */
-#else
-#ifdef TIOCGPGRP
-#define EMACS_HAVE_TTY_PGRP
-#else
-#ifdef HAVE_TERMIOS
-#define EMACS_HAVE_TTY_PGRP
-#endif
-#endif
-#endif
-
-#ifdef EMACS_HAVE_TTY_PGRP
-
-#if defined (HAVE_TERMIOS) && ! defined (BSD_TERMIOS)
-
-#define EMACS_GET_TTY_PGRP(fd, pgid) (*(pgid) = tcgetpgrp ((fd)))
-#define EMACS_SET_TTY_PGRP(fd, pgid) (tcsetpgrp ((fd), *(pgid)))
-
-#else
-#ifdef TIOCSPGRP
-
-#define EMACS_GET_TTY_PGRP(fd, pgid) (ioctl ((fd), TIOCGPGRP, (pgid)))
-#define EMACS_SET_TTY_PGRP(fd, pgid) (ioctl ((fd), TIOCSPGRP, (pgid)))
-
-#endif
-#endif
-
-#else
-
-/* Just ignore this for now and hope for the best */
-#define EMACS_GET_TTY_PGRP(fd, pgid) 0
-#define EMACS_SET_TTY_PGRP(fd, pgif) 0
-
-#endif
-
/* EMACS_GETPGRP (arg) returns the process group of the process. */
#if defined (GETPGRP_VOID)
# define EMACS_GETPGRP(x) getpgrp()
-#else
+#else /* !GETPGRP_VOID */
# define EMACS_GETPGRP(x) getpgrp(x)
#endif /* !GETPGRP_VOID */
\f
state, for example a struct tchars, a struct sgttyb, a struct
tchars, a struct ltchars, and a struct pagechars, struct
emacs_tty should contain an element for each parameter struct
- that Emacs may change.
-
- EMACS_GET_TTY (int FD, struct emacs_tty *P) stores the parameters
- of the tty on FD in *P. Return zero if all's well, or -1 if we ran
- into an error we couldn't deal with.
-
- EMACS_SET_TTY (int FD, struct emacs_tty *P, int flushp)
- sets the parameters of the tty on FD according to the contents of
- *P. If flushp is non-zero, we discard queued input to be
- written before making the change.
- Return 0 if all went well, and -1 if anything failed.
-
- EMACS_TTY_TABS_OK (struct emacs_tty *P) is false if the kernel
- expands tabs to spaces upon output; in that case, there is no
- advantage to using tabs over spaces. */
+ that Emacs may change. */
/* For each tty parameter structure that Emacs might want to save and restore,
/* There is always one of the following elements, so there is no need
for dummy get and set definitions. */
-#ifdef HAVE_TCATTR
+#ifndef DOS_NT
struct termios main;
-#else
-#ifdef HAVE_TERMIO
- struct termio main;
-#else
-#ifdef VMS
- struct sensemode main;
-#else
-#ifdef DOS_NT
+#else /* DOS_NT */
int main;
-#else /* not DOS_NT */
- struct sgttyb main;
-#endif /* not DOS_NT */
-#endif
-#endif
-#endif
-
-/* If we have TERMIOS, we don't need to do this - they're taken care of
- by the tc*attr calls. */
-#ifndef HAVE_TERMIOS
-#ifdef HAVE_LTCHARS
- struct ltchars ltchars;
-#endif
-
-#ifdef HAVE_TCHARS
- struct tchars tchars;
- int lmode;
-#endif
-#endif
+#endif /* DOS_NT */
};
\f
-/* Define EMACS_GET_TTY and EMACS_SET_TTY,
- the macros for reading and setting parts of `struct emacs_tty'.
-
- These got pretty unmanageable (huge macros are hard to debug), and
- finally needed some code which couldn't be done as part of an
- expression, so we moved them out to their own functions in sysdep.c. */
-#define EMACS_GET_TTY(fd, p) (emacs_get_tty ((fd), (p)))
-#define EMACS_SET_TTY(fd, p, waitp) (emacs_set_tty ((fd), (p), (waitp)))
-#ifdef P_ /* Unfortunately this file is sometimes included before lisp.h */
-extern int emacs_get_tty P_ ((int, struct emacs_tty *));
-extern int emacs_set_tty P_ ((int, struct emacs_tty *, int));
-#endif
-
-\f
-/* Define EMACS_TTY_TABS_OK. */
-
-#ifdef HAVE_TERMIOS
-
-#ifdef TABDLY
-#define EMACS_TTY_TABS_OK(p) (((p)->main.c_oflag & TABDLY) != TAB3)
-#else
-#define EMACS_TTY_TABS_OK(p) 1
-#endif
-
-#else /* not def HAVE_TERMIOS */
-#ifdef HAVE_TERMIO
-
-#define EMACS_TTY_TABS_OK(p) (((p)->main.c_oflag & TABDLY) != TAB3)
-
-#else /* neither HAVE_TERMIO nor HAVE_TERMIOS */
-#ifdef VMS
-
-#define EMACS_TTY_TABS_OK(p) (((p)->main.tt_char & TT$M_MECHTAB) != 0)
-
-#else
-
-#ifdef DOS_NT
-#define EMACS_TTY_TABS_OK(p) 0
-#else /* not DOS_NT */
-#define EMACS_TTY_TABS_OK(p) (((p)->main.sg_flags & XTABS) != XTABS)
-#endif /* not DOS_NT */
-
-#endif /* not def VMS */
-#endif /* not def HAVE_TERMIO */
-#endif /* not def HAVE_TERMIOS */
+extern int emacs_get_tty (int, struct emacs_tty *);
+extern int emacs_set_tty (int, struct emacs_tty *, int);
-/* arch-tag: cf4b90bc-be41-401c-be98-40619178a712
- (do not change this comment) */