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, 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                             /* System III, System V, etc */
  27
  28 #define USG5
  29
  30 #define UNIPLUS
  31
  32 /* SYSTEM_TYPE should indicate the kind of system you are using.
  33  It sets the Lisp variable system-type.  */
  34
  35 #define SYSTEM_TYPE "unisoft-unix"
  36
  37 /* nomultiplejobs should be defined if your system's shell
  38  does not have "job control" (the ability to stop a program,
  39  run some other program, then continue the first one).  */
  40
  41 /* #define NOMULTIPLEJOBS */
  42
  43 /* Default is to set interrupt_input to 0: don't do input buffering within Emacs */
  44
  45 /* #define INTERRUPT_INPUT */
  46
  47 /* Letter to use in finding device name of first pty,
  48   if system supports pty's.  'p' means it is /dev/ptyp0  */
  49
  50 #define FIRST_PTY_LETTER 'p'
  51
  52 /*
  53  *      Define HAVE_TERMIO if the system provides sysV-style ioctls
  54  *      for terminal control.
  55  */
  56
  57 #define HAVE_TERMIO
  58
  59 /*
  60  *      Define HAVE_PTYS if the system supports pty devices.
  61  */
  62
  63 #define HAVE_PTYS
  64
  65 /* Define this macro if system defines a type `union wait'.  */
  66
  67 #define HAVE_UNION_WAIT
  68
  69 /* Define HAVE_SOCKETS if system supports 4.2-compatible sockets.  */
  70
  71 /* #define HAVE_SOCKETS */
  72
  73 /*
  74  *      Define NONSYSTEM_DIR_LIBRARY to make Emacs emulate
  75  *      The 4.2 opendir, etc., library functions.
  76  */
  77
  78 #define NONSYSTEM_DIR_LIBRARY
  79
  80 /* Define this symbol if your system has the functions bcopy, etc. */
  81
  82 /* #define BSTRING */
  83
  84 /* subprocesses should be defined if you want to
  85  have code for asynchronous subprocesses
  86  (as used in M-x compile and M-x shell).
  87  This is generally OS dependent, and not supported
  88  under most USG systems.  It is supported under UniPlus
  89  System V Release 2. */
  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 /* Uniplus 5.2 supports long names in C */
 112
 113 /* #define SHORTNAMES */
 114
 115 /* We do NOT use the Berkeley (and usg5.2.2) interface to nlist.  */
 116
 117 /* #define NLIST_STRUCT */
 118
 119 /* The file containing the kernel's symbol table is called /unix.  */
 120
 121 #define KERNEL_FILE "/unix"
 122
 123 /* The symbol in the kernel where the load average is found
 124    is named avenrun.  */
 125
 126 #define LDAV_SYMBOL "avenrun"
 127 \f
 128 /* Special hacks needed to make Emacs run on this system.  */
 129
 130 /*
 131  *      Make the sigsetmask function go away.  Don't know what the
 132  *      ramifications of this are, but doesn't seem possible to
 133  *      emulate it properly anyway at this point.
 134  */
 135
 136 #define sigsetmask(mask)        /* Null expansion */
 137
 138 /* setjmp and longjmp can safely replace _setjmp and _longjmp,
 139    but they will run slower.  */
 140
 141 #define _setjmp setjmp
 142 #define _longjmp longjmp
 143
 144 /* On USG systems the system calls are interruptible by signals
 145  that the user program has elected to catch.  Thus the system call
 146  must be retried in these cases.  To handle this without massive
 147  changes in the source code, we remap the standard system call names
 148  to names for our own functions in sysdep.c that do the system call
 149  with retries. */
 150
 151 #define read sys_read
 152 #define open sys_open
 153 #define write sys_write
 154
 155 #define INTERRUPTIBLE_OPEN
 156 #define INTERRUPTIBLE_IO
 157
 158 /* On USG systems these have different names */
 159
 160 #define index strchr
 161 #define rindex strrchr
 162
 163 /* Compiler bug bites when default ADDR_CORRECT is used.  */
 164
 165 #define ADDR_CORRECT(x) (x)
 166
 167 /* Special library needed for linking for Uniplus */
 168
 169 #define LIBS_SYSTEM -lnet
 170
 171 /* A system-specific loader switch is needed.  */
 172
 173 #define LD_SWITCH_SYSTEM -N -L/lib/libg /usr/lib/unshared.ld