src/s/irix3-3.h

   1 /* Definitions file for GNU Emacs running on Silicon Graphics Irix system 3.3.
   2    Copyright (C) 1987,1990 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 2, or (at your option)
   9 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; see the file COPYING.  If not, write to
  18 the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.  */
  19
  20
  21 /*
  22  *      Define symbols to identify the version of Unix this is.
  23  *      Define all the symbols that apply correctly.
  24  */
  25
  26 #define USG
  27 #define USG5
  28 #define IRIS
  29 #ifndef IRIX
  30 #define IRIX
  31 #endif
  32
  33 /* SYSTEM_TYPE should indicate the kind of system you are using.
  34  It sets the Lisp variable system-type.  */
  35
  36 #define SYSTEM_TYPE "irix"
  37
  38 /* nomultiplejobs should be defined if your system's shell
  39  does not have "job control" (the ability to stop a program,
  40  run some other program, then continue the first one).  */
  41
  42 /* #define NOMULTIPLEJOBS */
  43
  44 /* Default is to set interrupt_input to 0: don't do input buffering within Emacs */
  45
  46 /* #define INTERRUPT_INPUT */
  47
  48 /* Letter to use in finding device name of first pty,
  49   if system supports pty's.  'a' means it is /dev/ptya0  */
  50
  51 #define FIRST_PTY_LETTER 'a'
  52
  53 /*
  54  *      Define HAVE_TERMIO if the system provides sysV-style ioctls
  55  *      for terminal control.
  56  */
  57
  58 #define HAVE_TERMIO
  59
  60 /*
  61  *      Define HAVE_PTYS if the system supports pty devices.
  62  */
  63
  64 #define HAVE_PTYS
  65
  66 /* Define HAVE_SOCKETS if system supports 4.2-compatible sockets.  */
  67
  68 #define HAVE_SOCKETS
  69
  70 /*
  71  *      Define NONSYSTEM_DIR_LIBRARY to make Emacs emulate
  72  *      The 4.2 opendir, etc., library functions.
  73  */
  74
  75 /* #define NONSYSTEM_DIR_LIBRARY */
  76
  77 /* Define this symbol if your system has the functions bcopy, etc. */
  78
  79 #define BSTRING
  80
  81 /* subprocesses should be defined if you want to
  82    have code for asynchronous subprocesses
  83    (as used in M-x compile and M-x shell).
  84    This is generally OS dependent, and not supported
  85    under most USG systems. */
  86
  87 #define subprocesses
  88
  89 /* If your system uses COFF (Common Object File Format) then define the
  90    preprocessor symbol "COFF". */
  91
  92 /* #define COFF */
  93
  94 /* define MAIL_USE_FLOCK if the mailer uses flock
  95    to interlock access to /usr/spool/mail/$USER.
  96    The alternative is that a lock file named
  97    /usr/spool/mail/$USER.lock.  */
  98
  99 #define MAIL_USE_FLOCK
 100
 101 /* Define CLASH_DETECTION if you want lock files to be written
 102    so that Emacs can tell instantly when you try to modify
 103    a file that someone else has modified in his Emacs.  */
 104
 105 /* #define CLASH_DETECTION */
 106
 107 /* We use the Berkeley (and usg5.2.2) interface to nlist.  */
 108
 109 #define NLIST_STRUCT
 110
 111 /* The file containing the kernel's symbol table is called /unix.  */
 112
 113 #define KERNEL_FILE "/unix"
 114
 115 /* The symbol in the kernel where the load average is found
 116    is named _avenrun.  */
 117
 118 #define LDAV_SYMBOL "avenrun"
 119
 120 \f
 121 /* setjmp and longjmp can safely replace _setjmp and _longjmp,
 122    but they will run slower.  */
 123
 124 #define _setjmp setjmp
 125 #define _longjmp longjmp
 126
 127 /* On USG systems the system calls are interruptible by signals
 128  that the user program has elected to catch.  Thus the system call
 129  must be retried in these cases.  To handle this without massive
 130  changes in the source code, we remap the standard system call names
 131  to names for our own functions in sysdep.c that do the system call
 132  with retries. */
 133
 134 #define read sys_read
 135 #define open sys_open
 136 #define write sys_write
 137
 138 #define INTERRUPTIBLE_OPEN
 139 #define INTERRUPTIBLE_IO
 140
 141 /* On USG systems these have different names */
 142
 143 #define index strchr
 144 #define rindex strrchr
 145
 146 /* USG systems tend to put everything declared static
 147    into the initialized data area, which becomes pure after dumping Emacs.
 148    Foil this.  Emacs carefully avoids static vars inside functions.  */
 149
 150 /* #define static */
 151
 152 /* This is how to get the device name of the tty end of a pty.  */
 153 #define PTY_TTY_NAME_SPRINTF \
 154             sprintf (ptyname, "/dev/ttyq%d", minor (stb.st_rdev));
 155
 156
 157 /* getwd is defined.  */
 158
 159 #define HAVE_GETWD
 160
 161 #define HAVE_SYSVIPC
 162
 163 /* sioctl.h should be included where appropriate.  */
 164
 165 #define NEED_SIOCTL
 166
 167 /* This affects child_setup.  */
 168
 169 #define SETPGRP_RELEASES_CTTY
 170
 171 /* This was formerly in LIBS_MACHINE in iris4d.h,
 172    but it is not needed for newer system versions.  */
 173 #define LIBS_SYSTEM -lsun