src/s/unipl5-2.h

   1 /* Definitions file for GNU Emacs running on UniSoft's UniPlus 5.2
   2    Copyright (C) 1985, 1986 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                             /* 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.  'p' means it is /dev/ptyp0  */
  50
  51 #define FIRST_PTY_LETTER 'p'
  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.  It is supported under UniPlus
  90  System V Release 2. */
  91
  92 #define subprocesses
  93
  94 /* If your system uses COFF (Common Object File Format) then define the
  95    preprocessor symbol "COFF". */
  96
  97 #define COFF
  98
  99 /* define MAIL_USE_FLOCK if the mailer uses flock
 100    to interlock access to /usr/spool/mail/$USER.
 101    The alternative is that a lock file named
 102    /usr/spool/mail/$USER.lock.  */
 103
 104 /* #define MAIL_USE_FLOCK */
 105
 106 /* Define CLASH_DETECTION if you want lock files to be written
 107    so that Emacs can tell instantly when you try to modify
 108    a file that someone else has modified in his Emacs.  */
 109
 110 /* #define CLASH_DETECTION */
 111
 112 /* Uniplus 5.2 supports long names in C */
 113
 114 /* #define SHORTNAMES */
 115
 116 /* We do NOT use the Berkeley (and usg5.2.2) interface to nlist.  */
 117
 118 /* #define NLIST_STRUCT */
 119
 120 /* The file containing the kernel's symbol table is called /unix.  */
 121
 122 #define KERNEL_FILE "/unix"
 123
 124 /* The symbol in the kernel where the load average is found
 125    is named avenrun.  */
 126
 127 #define LDAV_SYMBOL "avenrun"
 128 \f
 129 /* Special hacks needed to make Emacs run on this system.  */
 130
 131 /*
 132  *      Make the sigsetmask function go away.  Don't know what the
 133  *      ramifications of this are, but doesn't seem possible to
 134  *      emulate it properly anyway at this point.
 135  */
 136
 137 #define sigsetmask(mask)        /* Null expansion */
 138
 139 /* setjmp and longjmp can safely replace _setjmp and _longjmp,
 140    but they will run slower.  */
 141
 142 #define _setjmp setjmp
 143 #define _longjmp longjmp
 144
 145 /* On USG systems the system calls are interruptible by signals
 146  that the user program has elected to catch.  Thus the system call
 147  must be retried in these cases.  To handle this without massive
 148  changes in the source code, we remap the standard system call names
 149  to names for our own functions in sysdep.c that do the system call
 150  with retries. */
 151
 152 #define read sys_read
 153 #define open sys_open
 154 #define write sys_write
 155
 156 #define INTERRUPTIBLE_OPEN
 157 #define INTERRUPTIBLE_IO
 158
 159 /* On USG systems these have different names */
 160
 161 #define index strchr
 162 #define rindex strrchr
 163
 164 /* Compiler bug bites when default ADDR_CORRECT is used.  */
 165
 166 #define ADDR_CORRECT(x) (x)
 167
 168 /* Special library needed for linking for Uniplus */
 169
 170 #define LIBS_SYSTEM -lnet
 171
 172 /* A system-specific loader switch is needed.  */
 173
 174 #define LD_SWITCH_SYSTEM -N -L/lib/libg /usr/lib/unshared.ld