| 1 | /* Definitions file for GNU Emacs running on Silicon Graphics Irix system 6.5. |
| 2 | |
| 3 | Copyright (C) 1999-2012 Free Software Foundation, Inc. |
| 4 | |
| 5 | This file is part of GNU Emacs. |
| 6 | |
| 7 | GNU Emacs is free software: you can redistribute it and/or modify |
| 8 | it under the terms of the GNU General Public License as published by |
| 9 | the Free Software Foundation, either version 3 of the License, or |
| 10 | (at your option) any later version. |
| 11 | |
| 12 | GNU Emacs is distributed in the hope that it will be useful, |
| 13 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 15 | GNU General Public License for more details. |
| 16 | |
| 17 | You should have received a copy of the GNU General Public License |
| 18 | along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */ |
| 19 | |
| 20 | |
| 21 | #define IRIX6_5 /* used in m/iris4d */ |
| 22 | #include "usg5-4-common.h" |
| 23 | |
| 24 | #undef _longjmp /* use system versions, not conservative aliases */ |
| 25 | #undef _setjmp |
| 26 | |
| 27 | #define SETPGRP_RELEASES_CTTY |
| 28 | |
| 29 | #ifdef SETUP_SLAVE_PTY |
| 30 | #undef SETUP_SLAVE_PTY |
| 31 | #endif |
| 32 | |
| 33 | /* thomas@mathematik.uni-bremen.de says this is needed. */ |
| 34 | /* Make process_send_signal work by "typing" a signal character on the pty. */ |
| 35 | #define SIGNALS_VIA_CHARACTERS |
| 36 | |
| 37 | /* Letter to use in finding device name of first pty, |
| 38 | if system supports pty's. 'a' means it is /dev/ptya0 */ |
| 39 | #undef FIRST_PTY_LETTER |
| 40 | #define FIRST_PTY_LETTER 'q' |
| 41 | |
| 42 | /* No need to use sprintf to get the tty name--we get that from _getpty. */ |
| 43 | #define PTY_TTY_NAME_SPRINTF |
| 44 | /* No need to get the pty name at all. */ |
| 45 | #ifdef PTY_NAME_SPRINTF |
| 46 | #undef PTY_NAME_SPRINTF |
| 47 | #endif |
| 48 | #define PTY_NAME_SPRINTF |
| 49 | #ifdef emacs |
| 50 | char *_getpty(); |
| 51 | #endif |
| 52 | /* We need only try once to open a pty. */ |
| 53 | #define PTY_ITERATION |
| 54 | /* Here is how to do it. */ |
| 55 | #define PTY_OPEN \ |
| 56 | { \ |
| 57 | struct sigaction ocstat, cstat; \ |
| 58 | struct stat stb; \ |
| 59 | char * name; \ |
| 60 | sigemptyset(&cstat.sa_mask); \ |
| 61 | cstat.sa_handler = SIG_DFL; \ |
| 62 | cstat.sa_flags = 0; \ |
| 63 | sigaction(SIGCLD, &cstat, &ocstat); \ |
| 64 | name = _getpty (&fd, O_RDWR | O_NDELAY, 0600, 0); \ |
| 65 | sigaction(SIGCLD, &ocstat, (struct sigaction *)0); \ |
| 66 | if (name == 0) \ |
| 67 | return -1; \ |
| 68 | if (fd < 0) \ |
| 69 | return -1; \ |
| 70 | if (fstat (fd, &stb) < 0) \ |
| 71 | return -1; \ |
| 72 | strcpy (pty_name, name); \ |
| 73 | } |
| 74 | |
| 75 | /* Ulimit(UL_GMEMLIM) is busted... */ |
| 76 | #define ULIMIT_BREAK_VALUE 0x14000000 |
| 77 | |
| 78 | /* Tell process_send_signal to use VSUSP instead of VSWTCH. */ |
| 79 | #define PREFER_VSUSP |
| 80 | |
| 81 | #define NARROWPROTO 1 |
| 82 | |
| 83 | #undef SA_RESTART |
| 84 | |
| 85 | #undef TIOCSIGSEND /* defined in usg5-4-common.h */ |
| 86 | |
| 87 | /* Tested on Irix 6.5. SCM worked on earlier versions. */ |
| 88 | #define GC_SETJMP_WORKS 1 |
| 89 | |
| 90 | |
| 91 | /* DATA_SEG_BITS forces extra bits to be or'd in with any pointers which |
| 92 | were stored in a Lisp_Object (as Emacs uses fewer than 32 bits for |
| 93 | the value field of a LISP_OBJECT). */ |
| 94 | #define DATA_START 0x10000000 |
| 95 | #define DATA_SEG_BITS 0x10000000 |