/* systty.h - System-dependent definitions for terminals.
- Copyright (C) 1992 Free Software Foundation, Inc.
+ Copyright (C) 1993, 1994 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 1, or (at your option)
+the Free Software Foundation; either version 2, or (at your option)
any later version.
GNU Emacs is distributed in the hope that it will be useful,
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, 675 Mass Ave, Cambridge, MA 02139, USA. */
+the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+Boston, MA 02111-1307, USA. */
#ifdef HAVE_TERMIOS
#define HAVE_TCATTR
#endif
+
+/* If we defined these before and we are about to redefine them,
+ prevent alarming warnings. */
+#ifdef BSD_TERMIOS
+#undef NL0
+#undef NL1
+#undef CR0
+#undef CR1
+#undef CR2
+#undef CR3
+#undef TAB0
+#undef TAB1
+#undef TAB2
+#undef XTABS
+#undef BS0
+#undef BS1
+#undef FF0
+#undef FF1
+#undef ECHO
+#undef NOFLSH
+#undef TOSTOP
+#undef FLUSHO
+#undef PENDIN
+#endif
\f
/* Include the proper files. */
#ifdef HAVE_TERMIO
+#ifdef __DGUX
+#include <sys/ioctl.h>
+#endif
+#ifndef NO_TERMIO
#include <termio.h>
+#endif /* not NO_TERMIO */
+#ifndef INCLUDED_FCNTL
+#define INCLUDED_FCNTL
#include <fcntl.h>
-#else
+#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
extern int waiting_for_ast;
extern int stop_input;
-#if 0 /* VAX C doeasn't understand initializing declarations */
-extern int input_ef = 0;
-extern int timer_ef = 0;
-extern int process_ef = 0;
-#else
extern int input_ef;
extern int timer_ef;
extern int process_ef;
-#endif
extern int input_eflist;
extern int timer_eflist;
#endif /* not HAVE_TERMIOS */
#endif /* not HAVE_TERMIO */
-#ifdef AIX
+#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>
#if defined (HPUX) && defined (HAVE_PTYS)
#include <sys/ptyio.h>
#endif
-
+
#ifdef AIX
#include <sys/pty.h>
-#include <unistd.h>
#endif /* AIX */
+#if (defined (POSIX) || defined (NEED_UNISTD_H)) && defined (HAVE_UNISTD_H)
+#include <unistd.h>
+#endif
+
#ifdef SYSV_PTYS
+#include <sys/types.h>
#include <sys/tty.h>
#ifdef titan
#include <sys/ttyhw.h>
#undef ASYNC
#endif
-/* Interupt input is not used if there is no FIONREAD. */
+/* 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
#define CDISABLE _POSIX_VDISABLE
#else /* not _POSIX_VDISABLE */
#ifdef CDEL
+#undef CDISABLE
#define CDISABLE CDEL
#else /* not CDEL */
#define CDISABLE 255
#ifdef EMACS_HAVE_TTY_PGRP
-#ifdef HAVE_TERMIOS
+#if defined (HAVE_TERMIOS) && ! defined (BSD_TERMIOS)
#define EMACS_GET_TTY_PGRP(fd, pgid) (*(pgid) = tcgetpgrp ((fd)))
-#define EMACS_SET_TTY_PGRP(fd, pgid) (*(pgid) = tcsetpgrp ((fd)))
+#define EMACS_SET_TTY_PGRP(fd, pgid) (tcsetpgrp ((fd), *(pgid)))
#else
#ifdef TIOCSPGRP
#endif
+/* EMACS_GETPGRP (arg) returns the process group of the process. */
+
+#ifdef __GNU_LIBRARY__
+/* GNU libc by default defines getpgrp with no args on all systems. */
+#if __GLIBC__ >= 2
+/* glibc-2.1 adds the BSD compatibility getpgrp function
+ if you use _BSD_SOURCE, which Emacs does on GNU/Linux systems. */
+#if __GLIBC_MINOR__ < 1 || ! defined (__FAVOR_BSD)
+#define GETPGRP_NO_ARG
+#endif
+#else /* __GLIBC__ < 2 */
+#define GETPGRP_NO_ARG
+#endif /* __GLIBC__ < 2 */
+#else /* not __GNU_LIBRARY__ */
+#if defined (USG) && !defined (GETPGRP_NEEDS_ARG)
+# if !defined (GETPGRP_NO_ARG)
+# define GETPGRP_NO_ARG
+# endif
+#endif
+#endif /* not __GNU_LIBRARY__ */
+
+#if defined (GETPGRP_NO_ARG)
+# define EMACS_GETPGRP(x) getpgrp()
+#else
+# define EMACS_GETPGRP(x) getpgrp(x)
+#endif /* !GETPGRP_NO_ARG */
\f
/* Manipulate a TTY's input/output processing parameters. */
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.
+ 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 waitp)
+ 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 waitp is non-zero, we wait for all queued output to be
- written before making the change; otherwise, we forget any queued
- input and make the change immediately.
+ *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 iff the kernel
expands tabs to spaces upon output; in that case, there is no
/* For each tty parameter structure that Emacs might want to save and restore,
- - include an element for it in this structure,
- - define a pair of numbered macros to get and set it and return
- true iff the call succeeded,
- - give alternative definitions for when the component is not implemented
- which always succeed, and
- - extend the definition of EMACS_{GET,SET}_TTY_CHARS to include the
- new macros. */
+ - 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 {
#ifdef VMS
struct sensemode main;
#else
+#ifdef DOS_NT
+ int main;
+#else /* not DOS_NT */
struct sgttyb main;
+#endif /* not DOS_NT */
#endif
#endif
#endif
-#ifdef TIOCGLTC
+
+/* 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 TIOCGETC
+
+#ifdef HAVE_TCHARS
struct tchars tchars;
int lmode;
#endif
+#endif
};
\f
/* Define EMACS_GET_TTY and EMACS_SET_TTY,
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
#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 */
HCoop / bpt / emacs.git / blobdiff