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, Inc., 59 Temple Place - Suite 330,
  19 Boston, MA 02111-1307, USA.  */
  20
  21
  22 /*
  23  *      Define symbols to identify the version of Unix this is.
  24  *      Define all the symbols that apply correctly.
  25  */
  26
  27 #define USG
  28 #define USG5
  29 #define IRIS
  30 #ifndef IRIX
  31 #define IRIX
  32 #endif
  33
  34 /* SYSTEM_TYPE should indicate the kind of system you are using.
  35  It sets the Lisp variable system-type.  */
  36
  37 #define SYSTEM_TYPE "irix"
  38
  39 /* nomultiplejobs should be defined if your system's shell
  40  does not have "job control" (the ability to stop a program,
  41  run some other program, then continue the first one).  */
  42
  43 /* #define NOMULTIPLEJOBS */
  44
  45 /* Default is to set interrupt_input to 0: don't do input buffering within Emacs */
  46
  47 /* #define INTERRUPT_INPUT */
  48
  49 /* Letter to use in finding device name of first pty,
  50   if system supports pty's.  'a' means it is /dev/ptya0  */
  51
  52 #define FIRST_PTY_LETTER 'a'
  53
  54 /*
  55  *      Define HAVE_TERMIO if the system provides sysV-style ioctls
  56  *      for terminal control.
  57  */
  58
  59 #define HAVE_TERMIO
  60
  61 /*
  62  *      Define HAVE_PTYS if the system supports pty devices.
  63  */
  64
  65 #define HAVE_PTYS
  66
  67 /* Define HAVE_SOCKETS if system supports 4.2-compatible sockets.  */
  68
  69 #define HAVE_SOCKETS
  70
  71 /*
  72  *      Define NONSYSTEM_DIR_LIBRARY to make Emacs emulate
  73  *      The 4.2 opendir, etc., library functions.
  74  */
  75
  76 /* #define NONSYSTEM_DIR_LIBRARY */
  77
  78 /* Define this symbol if your system has the functions bcopy, etc. */
  79
  80 #define BSTRING
  81
  82 /* subprocesses should be defined if you want to
  83    have code for asynchronous subprocesses
  84    (as used in M-x compile and M-x shell).
  85    This is generally OS dependent, and not supported
  86    under most USG systems. */
  87
  88 #define subprocesses
  89
  90 /* If your system uses COFF (Common Object File Format) then define the
  91    preprocessor symbol "COFF". */
  92
  93 /* #define COFF */
  94
  95 /* define MAIL_USE_FLOCK if the mailer uses flock
  96    to interlock access to /usr/spool/mail/$USER.
  97    The alternative is that a lock file named
  98    /usr/spool/mail/$USER.lock.  */
  99
 100 #define MAIL_USE_FLOCK
 101
 102 /* Define CLASH_DETECTION if you want lock files to be written
 103    so that Emacs can tell instantly when you try to modify
 104    a file that someone else has modified in his Emacs.  */
 105
 106 /* #define CLASH_DETECTION */
 107
 108 /* We use the Berkeley (and usg5.2.2) interface to nlist.  */
 109
 110 #define NLIST_STRUCT
 111
 112 /* The file containing the kernel's symbol table is called /unix.  */
 113
 114 #define KERNEL_FILE "/unix"
 115
 116 /* The symbol in the kernel where the load average is found
 117    is named _avenrun.  */
 118
 119 #define LDAV_SYMBOL "avenrun"
 120
 121 \f
 122 /* setjmp and longjmp can safely replace _setjmp and _longjmp,
 123    but they will run slower.  */
 124
 125 #define _setjmp setjmp
 126 #define _longjmp longjmp
 127
 128 /* On USG systems the system calls are interruptible by signals
 129  that the user program has elected to catch.  Thus the system call
 130  must be retried in these cases.  To handle this without massive
 131  changes in the source code, we remap the standard system call names
 132  to names for our own functions in sysdep.c that do the system call
 133  with retries. */
 134
 135 #define read sys_read
 136 #define open sys_open
 137 #define write sys_write
 138
 139 #define INTERRUPTIBLE_OPEN
 140 #define INTERRUPTIBLE_IO
 141
 142 /* On USG systems these have different names */
 143
 144 #define index strchr
 145 #define rindex strrchr
 146
 147 /* USG systems tend to put everything declared static
 148    into the initialized data area, which becomes pure after dumping Emacs.
 149    Foil this.  Emacs carefully avoids static vars inside functions.  */
 150
 151 /* #define static */
 152
 153 /* This is how to get the device name of the tty end of a pty.  */
 154 #define PTY_TTY_NAME_SPRINTF \
 155             sprintf (ptyname, "/dev/ttyq%d", minor (stb.st_rdev));
 156
 157
 158 /* getwd is defined.  */
 159
 160 #define HAVE_GETWD
 161
 162 #define HAVE_SYSVIPC
 163
 164 /* sioctl.h should be included where appropriate.  */
 165
 166 #define NEED_SIOCTL
 167
 168 /* This affects child_setup.  */
 169
 170 #define SETPGRP_RELEASES_CTTY
 171
 172 /* This was formerly in LIBS_MACHINE in iris4d.h,
 173    but it is not needed for newer system versions.  */
 174 #define LIBS_SYSTEM -lsun