-/* systty.h - System-dependent definitions for terminals.
- Copyright (C) 1993, 1994, 2001, 2002, 2003, 2004,
- 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012 Free Software Foundation, Inc.
-
-This file is part of GNU Emacs.
-
-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 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
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-GNU General Public License for more details.
-
-You should have received a copy of the GNU General Public License
-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 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
-#ifndef NO_TERMIO
-#include <termio.h>
-#endif
-#include <termios.h>
-#define INCLUDED_FCNTL
-#include <fcntl.h>
-#else /* neither HAVE_TERMIO nor HAVE_TERMIOS */
-#ifndef DOS_NT
-#include <sgtty.h>
-#endif /* not DOS_NT */
-#endif /* not HAVE_TERMIOS */
-#endif /* not HAVE_TERMIO */
-
-#ifdef __GNU_LIBRARY__
-#include <sys/ioctl.h>
-#include <termios.h>
-#endif
-
-#ifdef NEED_BSDTTY
-#include <sys/bsdtty.h>
-#endif
-
-#if defined (HPUX) && defined (HAVE_PTYS)
-#include <sys/ptyio.h>
-#endif
-
-#ifdef AIX
-#include <sys/pty.h>
-#endif /* AIX */
-
-#if (defined (POSIX) || defined (NEED_UNISTD_H)) && defined (HAVE_UNISTD_H)
-#include <unistd.h>
-#endif
-
-\f
-/* Special cases - inhibiting the use of certain features. */
-
-/* Allow m- file to inhibit use of FIONREAD. */
-#ifdef BROKEN_FIONREAD
-#undef FIONREAD
-#undef ASYNC
-#endif
-
-/* Interrupt input is not used if there is no FIONREAD. */
-#ifndef 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
- _POSIX_VDISABLE as 0! */
-
-#ifdef _POSIX_VDISABLE
-#define CDISABLE _POSIX_VDISABLE
-#else /* not _POSIX_VDISABLE */
-#ifdef CDEL
-#undef CDISABLE
-#define CDISABLE CDEL
-#else /* not CDEL */
-#define CDISABLE 255
-#endif /* not CDEL */
-#endif /* not _POSIX_VDISABLE */
-\f
-/* Get the number of characters queued for output. */
-
-/* EMACS_OUTQSIZE(FD, int *SIZE) stores the number of characters
- queued for output to the terminal FD in *SIZE, if FD is a tty.
- Returns -1 if there was an error (i.e. FD is not a tty), 0
- otherwise. */
-#ifdef TIOCOUTQ
-#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. */
-
-/* HPUX tty process group stuff doesn't work, says the anonymous voice
- from the past. */
-#ifndef HPUX
-#ifdef TIOCGPGRP
-#define EMACS_HAVE_TTY_PGRP
-#else
-#ifdef HAVE_TERMIOS
-#define EMACS_HAVE_TTY_PGRP
-#endif /* HAVE_TERMIOS */
-#endif /* TIOCGPGRP */
-#endif /* not HPUX */
-
-#ifdef EMACS_HAVE_TTY_PGRP
-
-#if defined (HAVE_TERMIOS)
-
-#define EMACS_GET_TTY_PGRP(fd, pgid) (*(pgid) = tcgetpgrp ((fd)))
-#define EMACS_SET_TTY_PGRP(fd, pgid) (tcsetpgrp ((fd), *(pgid)))
-
-#else /* not HAVE_TERMIOS */
-#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 /* TIOCSPGRP */
-#endif /* HAVE_TERMIOS */
-
-#else /* not EMACS_SET_TTY_PGRP */
-
-/* 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 /* not EMACS_SET_TTY_PGRP */
-
-/* EMACS_GETPGRP (arg) returns the process group of the process. */
-
-#if defined (GETPGRP_VOID)
-# define EMACS_GETPGRP(x) getpgrp()
-#else /* !GETPGRP_VOID */
-# define EMACS_GETPGRP(x) getpgrp(x)
-#endif /* !GETPGRP_VOID */
-\f
-/* Manipulate a TTY's input/output processing parameters. */
-
-/* struct emacs_tty is a structure used to hold the current tty
- parameters. If the terminal has several structures describing its
- 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. */
-
-
-/* For each tty parameter structure that Emacs might want to save and restore,
- - include an element for it in this structure, and
- - extend the emacs_{get,set}_tty functions in sysdep.c to deal with the
- new members. */
-
-struct emacs_tty {
-
-/* There is always one of the following elements, so there is no need
- for dummy get and set definitions. */
-#ifdef HAVE_TCATTR
- struct termios main;
-#else /* not HAVE_TCATTR */
-#ifdef HAVE_TERMIO
- struct termio main;
-#else /* not HAVE_TERMIO */
-#ifdef DOS_NT
- int main;
-#else /* not DOS_NT */
- struct sgttyb main;
-#endif /* not DOS_NT */
-#endif /* not HAVE_TERMIO */
-#endif /* not HAVE_TCATTR */
-
-/* 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 /* HAVE_LTCHARS */
-
-#ifdef HAVE_TCHARS
- struct tchars tchars;
- int lmode;
-#endif /* HAVE_TCHARS */
-#endif /* not defined HAVE_TERMIOS */
-};
-\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 /* not TABDLY */
-#define EMACS_TTY_TABS_OK(p) 1
-#endif /* not TABDLY */
-
-#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 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 HAVE_TERMIO */
-#endif /* not def HAVE_TERMIOS */
-
-/* arch-tag: cf4b90bc-be41-401c-be98-40619178a712
- (do not change this comment) */
+/* systty.h - System-dependent definitions for terminals.
+ Copyright (C) 1993-1994, 2001-2013 Free Software Foundation, Inc.
+
+This file is part of GNU Emacs.
+
+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 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
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */
+
+/* Include the proper files. */
+
+#ifndef DOS_NT
+#include <termios.h>
+#include <fcntl.h>
+#endif /* not DOS_NT */
+
+#include <sys/ioctl.h>
+
+#ifdef HPUX
+#include <sys/bsdtty.h>
+#include <sys/ptyio.h>
+#endif
+
+#ifdef AIX
+#include <sys/pty.h>
+#endif /* AIX */
+
+#include <unistd.h>
+
+\f
+/* Try to establish the correct character to disable terminal functions
+ in a system-independent manner. Note that USG (at least) define
+ _POSIX_VDISABLE as 0! */
+
+#ifdef _POSIX_VDISABLE
+#define CDISABLE _POSIX_VDISABLE
+#else /* not _POSIX_VDISABLE */
+#ifdef CDEL
+#undef CDISABLE
+#define CDISABLE CDEL
+#else /* not CDEL */
+#define CDISABLE 255
+#endif /* not CDEL */
+#endif /* not _POSIX_VDISABLE */
+\f
+/* Manipulate a TTY's input/output processing parameters. */
+
+/* struct emacs_tty is a structure used to hold the current tty
+ parameters. If the terminal has several structures describing its
+ 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. */
+
+
+/* For each tty parameter structure that Emacs might want to save and restore,
+ - include an element for it in this structure, and
+ - extend the emacs_{get,set}_tty functions in sysdep.c to deal with the
+ new members. */
+
+struct emacs_tty {
+
+/* There is always one of the following elements, so there is no need
+ for dummy get and set definitions. */
+#ifndef DOS_NT
+ struct termios main;
+#else /* DOS_NT */
+ int main;
+#endif /* DOS_NT */
+};
+\f
+/* From sysdep.c or w32.c */
+extern int serial_open (Lisp_Object);
+extern void serial_configure (struct Lisp_Process *, Lisp_Object);
HCoop / bpt / emacs.git / blobdiff