| 1 | /* systty.h - System-dependent definitions for terminals. |
| 2 | Copyright (C) 1993-1994, 2001-2014 Free Software Foundation, Inc. |
| 3 | |
| 4 | This file is part of GNU Emacs. |
| 5 | |
| 6 | GNU Emacs is free software: you can redistribute it and/or modify |
| 7 | it under the terms of the GNU General Public License as published by |
| 8 | the Free Software Foundation, either version 3 of the License, or |
| 9 | (at your option) any later version. |
| 10 | |
| 11 | GNU Emacs is distributed in the hope that it will be useful, |
| 12 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 14 | GNU General Public License for more details. |
| 15 | |
| 16 | You should have received a copy of the GNU General Public License |
| 17 | along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */ |
| 18 | |
| 19 | /* Include the proper files. */ |
| 20 | |
| 21 | #ifndef DOS_NT |
| 22 | #include <termios.h> |
| 23 | #include <fcntl.h> |
| 24 | #endif /* not DOS_NT */ |
| 25 | |
| 26 | #include <sys/ioctl.h> |
| 27 | |
| 28 | #ifdef HPUX |
| 29 | #include <sys/bsdtty.h> |
| 30 | #include <sys/ptyio.h> |
| 31 | #endif |
| 32 | |
| 33 | #ifdef AIX |
| 34 | #include <sys/pty.h> |
| 35 | #endif /* AIX */ |
| 36 | |
| 37 | #include <unistd.h> |
| 38 | |
| 39 | \f |
| 40 | /* Try to establish the correct character to disable terminal functions |
| 41 | in a system-independent manner. Note that USG (at least) define |
| 42 | _POSIX_VDISABLE as 0! */ |
| 43 | |
| 44 | #ifdef _POSIX_VDISABLE |
| 45 | #define CDISABLE _POSIX_VDISABLE |
| 46 | #else /* not _POSIX_VDISABLE */ |
| 47 | #ifdef CDEL |
| 48 | #undef CDISABLE |
| 49 | #define CDISABLE CDEL |
| 50 | #else /* not CDEL */ |
| 51 | #define CDISABLE 255 |
| 52 | #endif /* not CDEL */ |
| 53 | #endif /* not _POSIX_VDISABLE */ |
| 54 | \f |
| 55 | /* Manipulate a TTY's input/output processing parameters. */ |
| 56 | |
| 57 | /* struct emacs_tty is a structure used to hold the current tty |
| 58 | parameters. If the terminal has several structures describing its |
| 59 | state, for example a struct tchars, a struct sgttyb, a struct |
| 60 | tchars, a struct ltchars, and a struct pagechars, struct |
| 61 | emacs_tty should contain an element for each parameter struct |
| 62 | that Emacs may change. */ |
| 63 | |
| 64 | |
| 65 | /* For each tty parameter structure that Emacs might want to save and restore, |
| 66 | - include an element for it in this structure, and |
| 67 | - extend the emacs_{get,set}_tty functions in sysdep.c to deal with the |
| 68 | new members. */ |
| 69 | |
| 70 | struct emacs_tty { |
| 71 | |
| 72 | /* There is always one of the following elements, so there is no need |
| 73 | for dummy get and set definitions. */ |
| 74 | #ifndef DOS_NT |
| 75 | struct termios main; |
| 76 | #else /* DOS_NT */ |
| 77 | int main; |
| 78 | #endif /* DOS_NT */ |
| 79 | }; |
| 80 | \f |
| 81 | /* From sysdep.c or w32.c */ |
| 82 | extern int serial_open (Lisp_Object); |
| 83 | extern void serial_configure (struct Lisp_Process *, Lisp_Object); |