94 lines
2.7 KiB
C
94 lines
2.7 KiB
C
/* systty.h - System-dependent definitions for terminals.
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Copyright (C) 1993-1994, 2001-2024 Free Software Foundation, Inc.
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This file is part of GNU Emacs.
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GNU Emacs is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or (at
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your option) any later version.
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GNU Emacs is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GNU Emacs. If not, see <https://www.gnu.org/licenses/>. */
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#ifndef EMACS_SYSTTY_H
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#define EMACS_SYSTTY_H
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/* Include the proper files. */
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#ifndef DOS_NT
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#include <termios.h>
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#include <fcntl.h>
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#endif /* not DOS_NT */
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#include <sys/ioctl.h>
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#ifdef HPUX
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#include <sys/bsdtty.h>
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#include <sys/ptyio.h>
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#endif
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#ifdef AIX
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#include <sys/pty.h>
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#endif /* AIX */
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#include <unistd.h>
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#include "lisp.h"
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/* Try to establish the correct character to disable terminal functions
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in a system-independent manner. Note that USG (at least) define
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_POSIX_VDISABLE as 0! */
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#ifdef _POSIX_VDISABLE
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#define CDISABLE _POSIX_VDISABLE
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#else /* not _POSIX_VDISABLE */
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#ifdef CDEL
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#undef CDISABLE
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#define CDISABLE CDEL
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#else /* not CDEL */
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#define CDISABLE 255
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#endif /* not CDEL */
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#endif /* not _POSIX_VDISABLE */
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/* Manipulate a TTY's input/output processing parameters. */
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/* struct emacs_tty is a structure used to hold the current tty
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parameters. If the terminal has several structures describing its
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state, for example a struct tchars, a struct sgttyb, a struct
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tchars, a struct ltchars, and a struct pagechars, struct
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emacs_tty should contain an element for each parameter struct
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that Emacs may change. */
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/* For each tty parameter structure that Emacs might want to save and restore,
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- include an element for it in this structure, and
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- extend the emacs_{get,set}_tty functions in sysdep.c to deal with the
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new members. */
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struct emacs_tty {
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/* There is always one of the following elements, so there is no need
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for dummy get and set definitions. */
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#ifndef DOS_NT
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struct termios main;
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#else /* DOS_NT */
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unsigned main;
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#endif /* DOS_NT */
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};
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/* From sysdep.c or w32.c */
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extern int emacs_get_tty (int, struct emacs_tty *) EXTERNALLY_VISIBLE;
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extern int emacs_set_tty (int, struct emacs_tty *, bool) EXTERNALLY_VISIBLE;
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extern void suppress_echo_on_tty (int);
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extern int serial_open (Lisp_Object);
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extern void serial_configure (struct Lisp_Process *, Lisp_Object);
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#endif /* EMACS_SYSTTY_H */
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