X-Git-Url: http://git.hcoop.net/bpt/emacs.git/blobdiff_plain/c05c21ed109720d66c834a0c5b21ea29416683a6..d8c2fa787973fc6d0d8c3693b97ddbba622ca41f:/src/systty.h diff --git a/src/systty.h b/src/systty.h dissimilarity index 60% index 39feef9c3d..647cfa23ce 100644 --- a/src/systty.h +++ b/src/systty.h @@ -1,277 +1,120 @@ -/* systty.h - System-dependent definitions for terminals. - Copyright (C) 1993, 1994, 2001, 2002, 2003, 2004, - 2005, 2006, 2007, 2008, 2009, 2010 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 . */ - -#ifdef HAVE_TERMIOS -#define HAVE_TCATTR -#endif - - -/* Include the proper files. */ -#ifdef HAVE_TERMIO -#ifndef NO_TERMIO -#include -#endif /* not NO_TERMIO */ -#include -#else /* not HAVE_TERMIO */ -#ifdef HAVE_TERMIOS -#ifndef NO_TERMIO -#include -#endif -#include -#include -#else /* neither HAVE_TERMIO nor HAVE_TERMIOS */ -#ifndef DOS_NT -#include -#endif /* not DOS_NT */ -#endif /* not HAVE_TERMIOS */ -#endif /* not HAVE_TERMIO */ - -#ifdef __GNU_LIBRARY__ -#include -#include -#endif - -#ifdef HPUX -#include -#include -#endif - -#ifdef AIX -#include -#endif /* AIX */ - -#ifdef HAVE_UNISTD_H -#include -#endif - - -/* 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 - - -/* 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 */ - -/* 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 - - -/* 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 */ - -/* 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 */ -}; - -/* 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))) -extern int emacs_get_tty (int, struct emacs_tty *); -extern int emacs_set_tty (int, struct emacs_tty *, int); - - -/* 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, 2001-2011 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 . */ + +/* Include the proper files. */ +#ifndef DOS_NT +#ifndef NO_TERMIO +#include +#endif /* not NO_TERMIO */ +#include +#include +#endif /* not DOS_NT */ + +#include + +#ifdef HPUX +#include +#include +#endif + +#ifdef AIX +#include +#endif /* AIX */ + +#include + + +/* 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 + + +/* 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 */ + +/* 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 + + +/* Manipulate a terminal's current process group. */ + +/* 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 */ + +/* 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 */ +}; + +/* From sysdep.c or w32.c */ +extern int serial_open (char *); +extern void serial_configure (struct Lisp_Process *, Lisp_Object);