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_TIMEVAL if the system supports the BSD style clock values.
  62  *      Look in <sys/time.h> for a timeval structure.
  63  */
  64
  65 /* #define HAVE_TIMEVAL */
  66
  67 /*
  68  *      Define HAVE_SELECT if the system supports the `select' system call.
  69  */
  70
  71 /* #define HAVE_SELECT */
  72
  73 /*
  74  *      Define HAVE_PTYS if the system supports pty devices.
  75  */
  76
  77 /* #define HAVE_PTYS */
  78
  79 /* Define this macro if system defines a type `union wait'.  */
  80
  81 #define HAVE_UNION_WAIT
  82
  83 /* Define HAVE_SOCKETS if system supports 4.2-compatible sockets.  */
  84
  85 /* #define HAVE_SOCKETS */
  86
  87 /*
  88  *      Define NONSYSTEM_DIR_LIBRARY to make Emacs emulate
  89  *      The 4.2 opendir, etc., library functions.
  90  */
  91
  92 #define NONSYSTEM_DIR_LIBRARY
  93
  94 /* Define this symbol if your system has the functions bcopy, etc. */
  95
  96 /* #define BSTRING */
  97
  98 /* subprocesses should be defined if you want to
  99    have code for asynchronous subprocesses
 100    (as used in M-x compile and M-x shell).
 101    This is generally OS dependent, and not supported
 102    under most USG systems. */
 103
 104 /* #define subprocesses */
 105
 106 /* If your system uses COFF (Common Object File Format) then define the
 107    preprocessor symbol "COFF". */
 108
 109 /* #define COFF */
 110
 111 /* define MAIL_USE_FLOCK if the mailer uses flock
 112    to interlock access to /usr/spool/mail/$USER.
 113    The alternative is that a lock file named
 114    /usr/spool/mail/$USER.lock.  */
 115
 116 /* #define MAIL_USE_FLOCK */
 117
 118 /* Define CLASH_DETECTION if you want lock files to be written
 119    so that Emacs can tell instantly when you try to modify
 120    a file that someone else has modified in his Emacs.  */
 121
 122 /* #define CLASH_DETECTION */
 123
 124 /* Define SHORTNAMES if the C compiler can distinguish only
 125    short names.  It means that the stuff in ../shortnames
 126    must be run to convert the long names to short ones.
 127
 128    Some USG systems support long names.
 129    If yours is one, DO NOT change this file!
 130    Do #undef SHORTNAMES in the m- file or in config.h.  */
 131
 132 #define SHORTNAMES
 133
 134 /* We do NOT use the Berkeley (and usg5.2.2) interface to nlist.  */
 135
 136 /* #define NLIST_STRUCT */
 137
 138 /* The file containing the kernel's symbol table is called /unix.  */
 139
 140 #define KERNEL_FILE "/unix"
 141
 142 /* The symbol in the kernel where the load average is found
 143    is named avenrun.  */
 144
 145 #define LDAV_SYMBOL "avenrun"
 146 \f
 147 /* Special hacks needed to make Emacs run on this system.  */
 148
 149 /*
 150  *      Make the sigsetmask function go away.  Don't know what the
 151  *      ramifications of this are, but doesn't seem possible to
 152  *      emulate it properly anyway at this point.
 153  */
 154
 155 #define sigsetmask(mask)        /* Null expansion */
 156
 157 /* setjmp and longjmp can safely replace _setjmp and _longjmp,
 158    but they will run slower.  */
 159
 160 #define _setjmp setjmp
 161 #define _longjmp longjmp
 162
 163 /* On USG systems the system calls are interruptible by signals
 164  that the user program has elected to catch.  Thus the system call
 165  must be retried in these cases.  To handle this without massive
 166  changes in the source code, we remap the standard system call names
 167  to names for our own functions in sysdep.c that do the system call
 168  with retries. */
 169
 170 #define read sys_read
 171 #define open sys_open
 172 #define write sys_write
 173
 174 #define INTERRUPTIBLE_OPEN
 175 #define INTERRUPTIBLE_IO
 176
 177 /* On USG systems these have different names */
 178
 179 #define index strchr
 180 #define rindex strrchr
 181
 182 /* Compiler bug bites when default ADDR_CORRECT is used.  */
 183
 184 #define ADDR_CORRECT(x) (x)
 185
 186 /* Special library needed for linking for Uniplus */
 187
 188 #define LIBS_SYSTEM -lnet
 189
 190 /* A system-specific loader switch is needed.  */
 191
 192 #define LD_SWITCH_SYSTEM -N -L/lib/libg /usr/lib/unshared.ld