src/s/unipl5-0.h

   1 /* Definitions file for GNU Emacs running on UniSoft's UniPlus 5.0
   2    Support for this system is not finished; don't expect this to work.
   3    Copyright (C) 1985, 1986 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 2, or (at your option)
  10 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; see the file COPYING.  If not, write to
  19 the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, 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                             /* System III, System V, etc */
  28
  29 #define USG5
  30
  31 #define UNIPLUS
  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 "unisoft-unix"
  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 this macro if system defines a type `union wait'.  */
  67
  68 #define HAVE_UNION_WAIT
  69
  70 /* Define HAVE_SOCKETS if system supports 4.2-compatible sockets.  */
  71
  72 /* #define HAVE_SOCKETS */
  73
  74 /*
  75  *      Define NONSYSTEM_DIR_LIBRARY to make Emacs emulate
  76  *      The 4.2 opendir, etc., library functions.
  77  */
  78
  79 #define NONSYSTEM_DIR_LIBRARY
  80
  81 /* Define this symbol if your system has the functions bcopy, etc. */
  82
  83 /* #define BSTRING */
  84
  85 /* subprocesses should be defined if you want to
  86    have code for asynchronous subprocesses
  87    (as used in M-x compile and M-x shell).
  88    This is generally OS dependent, and not supported
  89    under most USG systems. */
  90
  91 /* #define subprocesses */
  92
  93 /* If your system uses COFF (Common Object File Format) then define the
  94    preprocessor symbol "COFF". */
  95
  96 /* #define COFF */
  97
  98 /* define MAIL_USE_FLOCK if the mailer uses flock
  99    to interlock access to /usr/spool/mail/$USER.
 100    The alternative is that a lock file named
 101    /usr/spool/mail/$USER.lock.  */
 102
 103 /* #define MAIL_USE_FLOCK */
 104
 105 /* Define CLASH_DETECTION if you want lock files to be written
 106    so that Emacs can tell instantly when you try to modify
 107    a file that someone else has modified in his Emacs.  */
 108
 109 /* #define CLASH_DETECTION */
 110
 111 /* Define SHORTNAMES if the C compiler can distinguish only
 112    short names.  It means that the stuff in ../shortnames
 113    must be run to convert the long names to short ones.
 114
 115    Some USG systems support long names.
 116    If yours is one, DO NOT change this file!
 117    Do #undef SHORTNAMES in the m- file or in config.h.  */
 118
 119 #define SHORTNAMES
 120
 121 /* We do NOT use the Berkeley (and usg5.2.2) interface to nlist.  */
 122
 123 /* #define NLIST_STRUCT */
 124
 125 /* The file containing the kernel's symbol table is called /unix.  */
 126
 127 #define KERNEL_FILE "/unix"
 128
 129 /* The symbol in the kernel where the load average is found
 130    is named avenrun.  */
 131
 132 #define LDAV_SYMBOL "avenrun"
 133 \f
 134 /* Special hacks needed to make Emacs run on this system.  */
 135
 136 /*
 137  *      Make the sigsetmask function go away.  Don't know what the
 138  *      ramifications of this are, but doesn't seem possible to
 139  *      emulate it properly anyway at this point.
 140  */
 141
 142 #define sigsetmask(mask)        /* Null expansion */
 143
 144 /* setjmp and longjmp can safely replace _setjmp and _longjmp,
 145    but they will run slower.  */
 146
 147 #define _setjmp setjmp
 148 #define _longjmp longjmp
 149
 150 /* On USG systems the system calls are interruptible by signals
 151  that the user program has elected to catch.  Thus the system call
 152  must be retried in these cases.  To handle this without massive
 153  changes in the source code, we remap the standard system call names
 154  to names for our own functions in sysdep.c that do the system call
 155  with retries. */
 156
 157 #define read sys_read
 158 #define open sys_open
 159 #define write sys_write
 160
 161 #define INTERRUPTIBLE_OPEN
 162 #define INTERRUPTIBLE_IO
 163
 164 /* On USG systems these have different names */
 165
 166 #define index strchr
 167 #define rindex strrchr
 168
 169 /* Compiler bug bites when default ADDR_CORRECT is used.  */
 170
 171 #define ADDR_CORRECT(x) (x)
 172
 173 /* Special library needed for linking for Uniplus */
 174
 175 #define LIBS_SYSTEM -lnet
 176
 177 /* A system-specific loader switch is needed.  */
 178
 179 #define LD_SWITCH_SYSTEM -N -L/lib/libg /usr/lib/unshared.ld