src/s/cxux.h

   1 /* Header file for Harris CXUX.
   2    Copyright (C) 1994 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 UNIPLUS */
  27 #define USG5
  28 #define USG
  29 /* #define HPUX */
  30 /* #define UMAX */
  31 /* #define BSD4_1 */
  32 /* #define BSD4_2 */
  33 /* #define BSD4_3 */
  34 /* #define BSD */
  35 /* #define VMS */
  36
  37 #ifndef _CX_UX
  38 #define _CX_UX 1
  39 #endif
  40
  41 /* Define this symbol if you are running CX/UX 7.0 or later (7.0 introduced
  42  * support for ELF files, and while we still build emacs in COFF format, the
  43  * way it is linked is different for 7.0).
  44  */
  45 /* #define USING_CX_UX_7 */
  46
  47 #ifdef USING_CX_UX_7
  48 #define LINKER /usr/sde/coff/usr/bin/ld
  49 #define LD_SWITCH_SYSTEM -L/usr/sde/coff/usr/lib -zzero_word
  50 #define START_FILES pre-crt0.o /usr/sde/coff/usr/lib/crt0.o /usr/sde/coff/usr/lib/m88100.o
  51 #else   /* !USING_CX_UX_7 */
  52 #ifdef  _M88K
  53 #define START_FILES pre-crt0.o /lib/crt0.o
  54 #else
  55 #define START_FILES cxux-crt0.o /lib/crt0.o
  56 #endif
  57 #endif  /* USING_CX_UX_7 */
  58
  59 /* SYSTEM_TYPE should indicate the kind of system you are using.
  60  It sets the Lisp variable system-type.  */
  61
  62 #define SYSTEM_TYPE "usg-unix-v"
  63
  64 #define C_SWITCH_SYSTEM -Xa
  65
  66 #define POSIX_SIGNALS
  67
  68 /* With POSIX signals, also need to use sigaction rather than signal to
  69  * setup signal handlers
  70  */
  71 #define signal sys_signal
  72
  73 /* NOMULTIPLEJOBS should be defined if your system's shell
  74  does not have "job control" (the ability to stop a program,
  75  run some other program, then continue the first one).  */
  76
  77 /* #define NOMULTIPLEJOBS */
  78
  79 /* Emacs can read input using SIGIO and buffering characters itself,
  80    or using CBREAK mode and making C-g cause SIGINT.
  81    The choice is controlled by the variable interrupt_input.
  82
  83    Define INTERRUPT_INPUT to make interrupt_input = 1 the default (use SIGIO)
  84
  85    Emacs uses the presence or absence of the SIGIO macro to indicate
  86    whether or not signal-driven I/O is possible.  It uses
  87    INTERRUPT_INPUT to decide whether to use it by default.
  88
  89    SIGIO can be used only on systems that implement it (4.2 and 4.3).
  90    CBREAK mode has two disadvatages
  91      1) At least in 4.2, it is impossible to handle the Meta key properly.
  92         I hear that in system V this problem does not exist.
  93      2) Control-G causes output to be discarded.
  94         I do not know whether this can be fixed in system V.
  95
  96    Another method of doing input is planned but not implemented.
  97    It would have Emacs fork off a separate process
  98    to read the input and send it to the true Emacs process
  99    through a pipe. */
 100
 101 #define INTERRUPT_INPUT
 102 /* #define BROKEN_FIONREAD */
 103
 104 /* Letter to use in finding device name of first pty,
 105   if system supports pty's.  'a' means it is /dev/ptya0  */
 106
 107 #define FIRST_PTY_LETTER 'A'
 108 #define PTY_ITERATION   for (c = 'A'; c <= 'P'; c++) for (i = 0; i < 16; i++)
 109
 110 /*
 111  *      Define HAVE_TERMIOS if the system provides POSIX-style
 112  *      functions and macros for terminal control.
 113  *
 114  *      Define HAVE_TERMIO if the system provides sysV-style ioctls
 115  *      for terminal control.
 116  *
 117  *      Do not define both.  HAVE_TERMIOS is prefered, if it is
 118  *      supported on your system.
 119  */
 120
 121 #define HAVE_TERMIOS
 122 /* #define HAVE_TERMIO */
 123 #define NO_TERMIO
 124
 125 /*
 126  *      Define HAVE_TIMEVAL if the system supports the BSD style clock values.
 127  *      Look in <sys/time.h> for a timeval structure.
 128  */
 129
 130 #define HAVE_TIMEVAL
 131
 132 /*
 133  *      Define HAVE_SELECT if the system supports the `select' system call.
 134  */
 135
 136 #define HAVE_SELECT
 137
 138 /*
 139  *      Define HAVE_PTYS if the system supports pty devices.
 140  */
 141
 142 #define HAVE_PTYS
 143
 144 /*
 145  *      Define NONSYSTEM_DIR_LIBRARY to make Emacs emulate
 146  *      The 4.2 opendir, etc., library functions.
 147  */
 148
 149 /* #define NONSYSTEM_DIR_LIBRARY */
 150
 151 #define SYSV_SYSTEM_DIR
 152
 153 /* Define this symbol if your system has the functions bcopy, etc. */
 154
 155 #define BSTRING
 156
 157 /* subprocesses should be defined if you want to
 158    have code for asynchronous subprocesses
 159    (as used in M-x compile and M-x shell).
 160    This is generally OS dependent, and not supported
 161    under most USG systems. */
 162
 163 #define subprocesses
 164
 165 /* If your system uses COFF (Common Object File Format) then define the
 166    preprocessor symbol "COFF". */
 167
 168 #define COFF
 169
 170 /* define MAIL_USE_FLOCK if the mailer uses flock
 171    to interlock access to /usr/spool/mail/$USER.
 172    The alternative is that a lock file named
 173    /usr/spool/mail/$USER.lock.  */
 174
 175 #define MAIL_USE_FLOCK
 176
 177 /* Define CLASH_DETECTION if you want lock files to be written
 178    so that Emacs can tell instantly when you try to modify
 179    a file that someone else has modified in his Emacs.  */
 180
 181 #define CLASH_DETECTION
 182
 183 /* Define this if your operating system declares signal handlers to
 184    have a type other than the usual.  `The usual' is `void' for ANSI C
 185    systems (i.e. when the __STDC__ macro is defined), and `int' for
 186    pre-ANSI systems.  If you're using GCC on an older system, __STDC__
 187    will be defined, but the system's include files will still say that
 188    signal returns int or whatever; in situations like that, define
 189    this to be what the system's include files want.  */
 190 /* #define SIGTYPE int */
 191 #define SIGTYPE void
 192
 193 /* If the character used to separate elements of the executable path
 194    is not ':', #define this to be the appropriate character constant.  */
 195 /* #define SEPCHAR ':' */
 196
 197 /* Here, on a separate page, add any special hacks needed
 198    to make Emacs work on this system.  For example,
 199    you might define certain system call names that don't
 200    exist on your system, or that do different things on
 201    your system and must be used only through an encapsulation
 202    (Which you should place, by convention, in sysdep.c).  */
 203 \f
 204 /* Yes! The Night Hawk has sockets! */
 205
 206 #define HAVE_SOCKETS
 207
 208 /* We use the Berkeley (and usg5.2.2) interface to nlist.  */
 209
 210 #define NLIST_STRUCT
 211
 212 /* The symbol in the kernel where the load average is found
 213    is named _avenrun.  */
 214
 215 #define LDAV_SYMBOL "_avenrun"
 216
 217 #define KERNEL_FILE "/unix"
 218
 219 /* There are too many kludges required to redefine malloc - use the system
 220    one */
 221 #define SYSTEM_MALLOC
 222
 223 #define _setjmp setjmp
 224 #define _longjmp longjmp
 225
 226 /* const really does work, but I can't get configure to run the C compiler
 227  * with the right options so it figures that out.
 228  */
 229 #undef const
 230
 231 #define HAVE_GETWD
 232
 233 #ifdef sigmask
 234 #undef sigmask
 235 #endif
 236
 237 /*
 238  * <pwd.h> already declares getpwuid, and with a uid_t argument in ANSI C
 239  * mode.  Define this so xrdb.c will compile
 240  */
 241 #ifdef  __STDC__
 242 #define DECLARE_GETPWUID_WITH_UID_T
 243 #endif
 244
 245 /* Some compilers tend to put everything declared static
 246    into the initialized data area, which becomes pure after dumping Emacs.
 247    On these systems, you must #define static as nothing to foil this.
 248    Note that emacs carefully avoids static vars inside functions.  */
 249
 250 /* #define static */