src/s/irix5-0.h

   1 /* Definitions file for GNU Emacs running on Silicon Graphics Irix system 5.0.
   2
   3    Copyright (C) 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006,
   4                  2007, 2008  Free Software Foundation, Inc.
   5
   6 This file is part of GNU Emacs.
   7
   8 GNU Emacs is free software; you can redistribute it and/or modify
   9 it under the terms of the GNU General Public License as published by
  10 the Free Software Foundation; either version 3, or (at your option)
  11 any later version.
  12
  13 GNU Emacs is distributed in the hope that it will be useful,
  14 but WITHOUT ANY WARRANTY; without even the implied warranty of
  15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16 GNU General Public License for more details.
  17
  18 You should have received a copy of the GNU General Public License
  19 along with GNU Emacs; see the file COPYING.  If not, write to
  20 the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  21 Boston, MA 02110-1301, USA.  */
  22
  23
  24 #include "usg5-4.h"
  25
  26 #define IRIX5
  27
  28 #undef sigsetmask  /* use sys_sigsetmask */
  29 #undef _longjmp /* use system versions, not conservative aliases */
  30 #undef _setjmp
  31
  32 #define SETPGRP_RELEASES_CTTY
  33
  34 #ifdef LIBS_SYSTEM
  35 #undef LIBS_SYSTEM
  36 #endif
  37
  38 #ifdef LIB_STANDARD
  39 #undef LIB_STANDARD
  40 #endif
  41
  42 #ifdef SYSTEM_TYPE
  43 #undef SYSTEM_TYPE
  44 #endif
  45 #define SYSTEM_TYPE "irix"
  46
  47 #ifdef SETUP_SLAVE_PTY
  48 #undef SETUP_SLAVE_PTY
  49 #endif
  50
  51 /* thomas@mathematik.uni-bremen.de says this is needed.  */
  52 /* Make process_send_signal work by "typing" a signal character on the pty.  */
  53 #define SIGNALS_VIA_CHARACTERS
  54
  55 /* SGI has all the fancy wait stuff, but we can't include sys/wait.h
  56    because it defines BIG_ENDIAN and LITTLE_ENDIAN (ugh!.)  Instead
  57    we'll just define WNOHANG right here.
  58    (An implicit decl is good enough for wait3.)  */
  59
  60 /* #define WNOHANG              0x1 */
  61
  62 /* No need to use sprintf to get the tty name--we get that from _getpty.  */
  63 #ifdef PTY_TTY_NAME_SPRINTF
  64 #undef PTY_TTY_NAME_SPRINTF
  65 #endif
  66 #define PTY_TTY_NAME_SPRINTF
  67 /* No need to get the pty name at all.  */
  68 #ifdef PTY_NAME_SPRINTF
  69 #undef PTY_NAME_SPRINTF
  70 #endif
  71 #define PTY_NAME_SPRINTF
  72 #ifdef emacs
  73 char *_getpty();
  74 #endif
  75 /* We need only try once to open a pty.  */
  76 #define PTY_ITERATION
  77 /* Here is how to do it.  */
  78 #define PTY_OPEN                                            \
  79 {                                                           \
  80   struct sigaction ocstat, cstat;                           \
  81   char * name;                                              \
  82   sigemptyset(&cstat.sa_mask);                              \
  83   cstat.sa_handler = SIG_DFL;                               \
  84   cstat.sa_flags = 0;                                       \
  85   sigaction(SIGCLD, &cstat, &ocstat);                       \
  86   name = _getpty (&fd, O_RDWR | O_NDELAY, 0600, 0);         \
  87   sigaction(SIGCLD, &ocstat, (struct sigaction *)0);        \
  88   if (name == 0)                                            \
  89     return -1;                                              \
  90   if (fd < 0)                                               \
  91     return -1;                                              \
  92   if (fstat (fd, &stb) < 0)                                 \
  93     return -1;                                              \
  94   strcpy (pty_name, name);                                  \
  95 }
  96
  97 /* Since we use POSIX constructs in PTY_OPEN, we must force POSIX
  98    throughout. */
  99 #define POSIX_SIGNALS
 100
 101 /* Info from simon@lia.di.epfl.ch (Simon Leinen) suggests this is needed.  */
 102 #define GETPGRP_NO_ARG
 103
 104 /* Ulimit(UL_GMEMLIM) is busted...  */
 105 #define ULIMIT_BREAK_VALUE 0x14000000
 106
 107 /* Tell process_send_signal to use VSUSP instead of VSWTCH.  */
 108 #define PREFER_VSUSP
 109
 110 /* define MAIL_USE_FLOCK if the mailer uses flock
 111    to interlock access to /usr/spool/mail/$USER.
 112    The alternative is that a lock file named
 113    /usr/spool/mail/$USER.lock.  */
 114
 115 #define MAIL_USE_FLOCK
 116
 117 /* use K&R C */
 118 #if 0
 119 #ifndef __GNUC__
 120 #define C_SWITCH_SYSTEM -cckr
 121 #endif
 122 #endif
 123
 124 /* -g used not to work on Irix unless you used gas, and since gcc
 125    warns if you use it, turn off the warning.  */
 126 /* -g does now work, at least on recent Irix 6 versions with gcc 2.95;
 127     I'm not sure about Irix 5 -- fx  */
 128 #ifdef __GNUC__
 129 #define C_DEBUG_SWITCH
 130 #endif
 131
 132 /* Prevent the variable ospeed from being defined by -lcurses
 133    because it defines it with too few bytes.  */
 134 #define ospeed ospeed_
 135
 136 #define NARROWPROTO 1
 137
 138 #define USE_MMAP_FOR_BUFFERS 1
 139
 140 /* arch-tag: ad0660e0-acf8-46ae-b866-4f3df5b1101b
 141    (do not change this comment) */