src/s/bsd4-1.h

   1 /* Definitions file for GNU Emacs running on bsd 4.1.
   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 BSD4_1
  27
  28 #define BSD
  29
  30 /* SYSTEM_TYPE should indicate the kind of system you are using.
  31  It sets the Lisp variable system-type.  */
  32
  33 #define SYSTEM_TYPE "berkeley-unix"
  34
  35 /* nomultiplejobs should be defined if your system's shell
  36  does not have "job control" (the ability to stop a program,
  37  run some other program, then continue the first one).  */
  38
  39 /* #define NOMULTIPLEJOBS */
  40
  41 /* Default is to set interrupt_input to 1: do input buffering within Emacs */
  42
  43 #define INTERRUPT_INPUT
  44
  45 /* First pty name is /dev/ptyp0.  */
  46
  47 #define FIRST_PTY_LETTER 'p'
  48
  49 /*
  50  *      Define HAVE_TIMEVAL if the system supports the BSD style clock values.
  51  *      Look in <sys/time.h> for a timeval structure.
  52  */
  53
  54 #undef HAVE_TIMEVAL
  55
  56 /*
  57  *      Define HAVE_SELECT if the system supports the `select' system call.
  58  */
  59
  60 /* #define HAVE_SELECT */
  61
  62 /*
  63  *      Define HAVE_PTYS if the system supports pty devices.
  64  */
  65
  66 /* #define HAVE_PTYS */
  67
  68 /* Define this macro if system defines a type `union wait'.  */
  69
  70 #define HAVE_UNION_WAIT
  71
  72 /* Define HAVE_SOCKETS if system supports 4.2-compatible sockets.  */
  73
  74 /* #define HAVE_SOCKETS */
  75
  76 /*
  77  *      Define NONSYSTEM_DIR_LIBRARY to make Emacs emulate
  78  *      The 4.2 opendir, etc., library functions.
  79  */
  80
  81 #define NONSYSTEM_DIR_LIBRARY
  82
  83 /* Define this symbol if your system has the functions bcopy, etc. */
  84
  85 /* #define BSTRING */
  86
  87 /* subprocesses should be defined if you want to
  88    have code for asynchronous subprocesses
  89    (as used in M-x compile and M-x shell).
  90    This is generally OS dependent, and not supported
  91    under most USG systems. */
  92
  93 #define subprocesses
  94
  95 /* If your system uses COFF (Common Object File Format) then define the
  96    preprocessor symbol "COFF". */
  97
  98 /* #define COFF */
  99
 100 /* define MAIL_USE_FLOCK if the mailer uses flock
 101    to interlock access to /usr/spool/mail/$USER.
 102    The alternative is that a lock file named
 103    /usr/spool/mail/$USER.lock.  */
 104
 105 /* #define MAIL_USE_FLOCK */
 106
 107 /* Define CLASH_DETECTION if you want lock files to be written
 108    so that Emacs can tell instantly when you try to modify
 109    a file that someone else has modified in his Emacs.  */
 110
 111 #undef CLASH_DETECTION    /* Might work; not tried yet.  */
 112
 113 /* We use the Berkeley (and usg5.2.2) interface to nlist.  */
 114
 115 #define NLIST_STRUCT
 116
 117 /* The file containing the kernel's symbol table is called /vmunix.  */
 118
 119 #define KERNEL_FILE "/vmunix"
 120
 121 /* The symbol in the kernel where the load average is found
 122    is named _avenrun.  */
 123
 124 #define LDAV_SYMBOL "_avenrun"
 125 \f
 126 /* Special hacks needed to make Emacs run on this system.  */
 127
 128 /* Make the function `signal' act as in 4.2.  */
 129
 130 #define signal sigset
 131
 132 #define _longjmp longjmp
 133 #define _setjmp setjmp
 134
 135 #define lstat stat
 136
 137 /* sys_open handles the necessary 4.2 features for open.  */
 138
 139 #define open sys_open
 140
 141 /* Names of flags for open.  */
 142 #define O_RDONLY 0
 143 #define O_WRONLY 1
 144 #define O_RDWR 2
 145 #define O_EXCL  2000
 146 #define O_CREAT 1000
 147
 148 /* Special library needed for linking for 4.1.  */
 149 #define LIBS_SYSTEM -ljobs