src/s/dgux.h

   1 /* Definitions file for GNU Emacs running on Data General's DG/UX
   2    version 4.32 upto and including 5.4.1.
   3    Copyright (C) 1994, 1999, 2002, 2003, 2004,
   4                  2005 Free Software Foundation, Inc.
   5
   6 This file is part of GNU Emacs.
   7
   8 GNU Emacs is free software; you can redistribute it and/or modify
   9 it under the terms of the GNU General Public License as published by
  10 the Free Software Foundation; either version 2, or (at your option)
  11 any later version.
  12
  13 GNU Emacs is distributed in the hope that it will be useful,
  14 but WITHOUT ANY WARRANTY; without even the implied warranty of
  15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16 GNU General Public License for more details.
  17
  18 You should have received a copy of the GNU General Public License
  19 along with GNU Emacs; see the file COPYING.  If not, write to
  20 the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  21 Boston, MA 02110-1301, USA.  */
  22
  23 /*
  24  *      Define symbols to identify the version of Unix this is.
  25  *      Define all the symbols that apply correctly.
  26  */
  27
  28 /* #define UNIPLUS */
  29 /* #define USG5 */
  30 /* #define USG */
  31 /* #define HPUX */
  32 /* #define UMAX */
  33 /* #define BSD4_1 */
  34 #define BSD4_2
  35 #define BSD4_3
  36 #define BSD4_4
  37 #define BSD_SYSTEM
  38
  39 /* SYSTEM_TYPE should indicate the kind of system you are using.
  40  It sets the Lisp variable system-type.  */
  41
  42 #define SYSTEM_TYPE "dgux"
  43
  44 /* NOMULTIPLEJOBS should be defined if your system's shell
  45  does not have "job control" (the ability to stop a program,
  46  run some other program, then continue the first one).  */
  47
  48 /* #define NOMULTIPLEJOBS */
  49
  50 /* Emacs can read input using SIGIO and buffering characters itself,
  51    or using CBREAK mode and making C-g cause SIGINT.
  52    The choice is controlled by the variable interrupt_input.
  53    Define INTERRUPT_INPUT to make interrupt_input = 1 the default (use SIGIO)
  54
  55    SIGIO can be used only on systems that implement it (4.2 and 4.3).
  56    CBREAK mode has two disadvantages
  57      1) At least in 4.2, it is impossible to handle the Meta key properly.
  58         I hear that in system V this problem does not exist.
  59      2) Control-G causes output to be discarded.
  60         I do not know whether this can be fixed in system V.
  61
  62    Another method of doing input is planned but not implemented.
  63    It would have Emacs fork off a separate process
  64    to read the input and send it to the true Emacs process
  65    through a pipe.
  66
  67 */
  68
  69 #define INTERRUPT_INPUT
  70
  71 /*
  72  *      Define HAVE_SOCKETS if the system supports sockets.
  73  */
  74
  75 #define HAVE_SOCKETS
  76
  77 /*
  78  *      Define HAVE_UNIX_DOMAIN if the system supports Unix
  79  *      domain sockets.
  80  */
  81
  82 #define HAVE_UNIX_DOMAIN
  83
  84 /*
  85  *      Define HAVE_PTYS if the system supports pty devices.
  86  */
  87
  88 #define HAVE_PTYS
  89
  90 /*
  91  *      Define NONSYSTEM_DIR_LIBRARY to make Emacs emulate
  92  *      The 4.2 opendir, etc., library functions.
  93  */
  94
  95 /* #define NONSYSTEM_DIR_LIBRARY */
  96
  97 /* Define this symbol if your system has the functions bcopy, etc. */
  98
  99 #define BSTRING
 100
 101 /* subprocesses should be defined if you want to
 102    have code for asynchronous subprocesses
 103    (as used in M-x compile and M-x shell).
 104    This is generally OS dependent, and not supported
 105    under most USG systems. */
 106
 107 #define subprocesses
 108
 109 /* If your system uses COFF (Common Object File Format) then define the
 110    preprocessor symbol "COFF".
 111
 112    DGUX can use either COFF or ELF; the default is ELF.
 113    To compile for COFF (or BCS) use the TARGET_BINARY_INTERFACE
 114    environment variable.   */
 115
 116 #if defined(_DGUXCOFF_TARGET) || defined(_DGUXBCS_TARGET)
 117 #undef ELF
 118 #ifndef COFF
 119 #define COFF
 120 #endif  /* COFF */
 121 #else   /* defined(_DGUXCOFF_TARGET) || defined(_DGUXBCS_TARGET) */
 122 #undef COFF
 123 #ifndef ELF
 124 #define ELF
 125 #endif  /* ELF */
 126 #endif  /* defined(_DGUXCOFF_TARGET) || defined(_DGUXBCS_TARGET) */
 127
 128 #ifndef COFF /* People will probably find this apparently unreliable
 129                 till the NFS dumping bug is fixed.  */
 130
 131 /* It is possible to undump to ELF with DG/UX 5.4, but for revisions below
 132    5.4.1 the undump MUST be done on a local file system, or the kernel will
 133    panic.  ELF executables have the advantage of using shared libraries,
 134    while COFF executables will still work on 4.2x systems. */
 135
 136 #define UNEXEC unexelf.o
 137
 138 /* This makes sure that all segments in the executable are undumped,
 139    not just text, data, and bss.  In the case of Mxdb and shared
 140    libraries, additional information is stored in other sections.
 141    It does not hurt to have this defined if you don't use Mxdb or
 142    shared libraries.  In fact, it makes no difference. */
 143
 144 /* Necessary for shared libraries and Mxdb debugging information. */
 145 #define USG_SHARED_LIBRARIES
 146 #endif
 147
 148 /* define MAIL_USE_FLOCK if the mailer uses flock
 149    to interlock access to /usr/spool/mail/$USER.
 150    The alternative is that a lock file named
 151    /usr/spool/mail/$USER.lock.  */
 152
 153 /* #define MAIL_USE_FLOCK */
 154
 155 /* Define CLASH_DETECTION if you want lock files to be written
 156    so that Emacs can tell instantly when you try to modify
 157    a file that someone else has modified in his Emacs.  */
 158
 159 /* #define CLASH_DETECTION */
 160
 161 /* Define a replacement for the baud rate switch, since DG/UX uses a different
 162    from BSD.  */
 163
 164 #define BAUD_CONVERT    { 0, 110, 134, 150, 300, 600, 1200, 1800, 2400, \
 165                           4800, 9600, 19200, 38400 }
 166
 167 /*
 168  *      Make WM Interface Compliant.
 169  */
 170
 171 #define XICCC
 172
 173 /* Here, on a separate page, add any special hacks needed
 174    to make Emacs work on this system.  For example,
 175    you might define certain system call names that don't
 176    exist on your system, or that do different things on
 177    your system and must be used only through an encapsulation
 178    (Which you should place, by convention, in sysdep.c).  */
 179 \f
 180 /* Some compilers tend to put everything declared static
 181    into the initialized data area, which becomes pure after dumping Emacs.
 182    On these systems, you must #define static as nothing to foil this.
 183    Note that emacs carefully avoids static vars inside functions.  */
 184
 185 /* #define static */
 186
 187 /* DG/UX SPECIFIC ADDITIONS TO TEMPLATE FOLLOW: */
 188
 189 /* Use the Berkeley flavors of the library routines, instead of System V.  */
 190
 191 #define setpgrp(pid,pgrp) setpgrp2(pid,pgrp)
 192 #define getpgrp(pid) getpgrp2(pid)
 193
 194 /* Act like Berkeley. */
 195
 196 #define _setjmp(env) sigsetjmp(env,0)
 197 #define _longjmp(env,val) longjmp(env,val)
 198
 199 /* Use TERMINFO instead of termcap */
 200
 201 #define TERMINFO
 202
 203 /*
 204  *      Send signals to subprocesses using characters.
 205  *
 206  */
 207
 208 #define SIGNALS_VIA_CHARACTERS
 209
 210 /*
 211  *      Define HAVE_TERMIOS since this is POSIX,
 212  *      for terminal control.  Prevent redundant inclusion of termio.h.
 213  */
 214
 215 #define HAVE_TERMIOS
 216 #define NO_TERMIO
 217
 218 /*
 219  *      Use a Berkeley style sys/wait.h.
 220  *      This makes WIF* macros operate on structures instead of ints.
 221  */
 222
 223 #define _BSD_WAIT_FLAVOR
 224
 225 /*
 226  *      Use BSD and POSIX-style signals.  This is crucial!
 227  */
 228
 229 /* #define SYSTEM_MALLOC */
 230
 231 /* MAKING_MAKEFILE must be defined in "ymakefile" before including config.h */
 232 #ifndef NOT_C_CODE
 233
 234 /* Make sure signal.h is included so macros below don't mess with it. */
 235 /* DG/UX include files prevent multiple inclusion. */
 236
 237 #include <signal.h>
 238
 239 /* but undefine the sigmask and sigpause macros since they will get
 240    #define'd later. */
 241 #undef sigmask
 242 #undef sigpause
 243
 244 #define POSIX_SIGNALS
 245
 246 #ifndef NO_DGUX_SIGNAL_REDEF
 247 /* Can't use sys_signal because then etc/server.c would need sysdep.o.  */
 248 extern struct sigaction act, oact;
 249 #define signal(SIG,FUNC) berk_signal(SIG,FUNC)
 250 #endif
 251
 252 #endif /* not NOT_C_CODE */
 253
 254 #ifndef __GNUC__
 255 #error You must use GCC to compiler Emascs on DGUX
 256 #endif
 257
 258 #define ORDINARY_LINK
 259 #define START_FILES pre-crt0.o
 260 #define LIB_GCC /usr/lib/gcc/libgcc.a
 261
 262 #ifdef _M88KBCS_TARGET
 263 /* Karl Berry says: the environment
 264    recommended by gcc (88/open, a.k.a. m88kbcs) doesn't support some system
 265    functions, and gcc doesn't make it easy to switch environments.  */
 266 #define NO_GET_LOAD_AVG
 267 #endif
 268 \f
 269 /* definitions for xmakefile production */
 270 #ifdef COFF
 271
 272 /* Define the following to use all of the available pty's. */
 273
 274 #define PTY_ITERATION                                           \
 275   for (c = 'p'; c < 't'; c++)                                   \
 276     for (i = 0; (((c == 'p') && (i < 64)) || ((c != 'p') && (i < 16))); i++)
 277
 278 #define PTY_NAME_SPRINTF                                        \
 279       if (c == 'p')                                             \
 280         sprintf (pty_name, "/dev/pty%c%d", c, i);               \
 281       else                                                      \
 282         sprintf (pty_name, "/dev/pty%c%x", c, i);
 283
 284 #define PTY_TTY_NAME_SPRINTF                                    \
 285       if (c == 'p')                                             \
 286         sprintf (pty_name, "/dev/tty%c%d", c, i);               \
 287       else                                                      \
 288         sprintf (pty_name, "/dev/tty%c%x", c, i);
 289
 290 #define C_DEBUG_SWITCH -g
 291
 292 #else /* not COFF */
 293
 294 /* We are generating ELF object format.  This makes the system more
 295    SVR4 like. */
 296
 297 #define SVR4
 298
 299 /* Pseudo-terminal support under SVR4 only loops to deal with errors. */
 300
 301 #define PTY_ITERATION for (i = 0; i < 1; i++)
 302
 303 /* This sets the name of the master side of the PTY. */
 304
 305 #define PTY_NAME_SPRINTF strcpy (pty_name, "/dev/ptmx");
 306
 307 /* This sets the name of the slave side of the PTY.  On SysVr4,
 308    grantpt(3) forks a subprocess, so keep sigchld_handler() from
 309    intercepting that death.  If any child but grantpt's should die
 310    within, it should be caught after sigrelse(2). */
 311
 312 #define PTY_TTY_NAME_SPRINTF                    \
 313   {                                             \
 314     char *ptsname(), *ptyname;                  \
 315                                                 \
 316     sigblock(sigmask(SIGCLD));                          \
 317     if (grantpt(fd) == -1)                      \
 318       fatal("could not grant slave pty");       \
 319     sigunblock(sigmask(SIGCLD));                                \
 320     if (unlockpt(fd) == -1)                     \
 321       fatal("could not unlock slave pty");      \
 322     if (!(ptyname = ptsname(fd)))               \
 323       fatal ("could not enable slave pty");     \
 324     strncpy(pty_name, ptyname, sizeof(pty_name)); \
 325     pty_name[sizeof(pty_name) - 1] = 0;         \
 326   }
 327
 328 /* Push various streams modules onto a PTY channel. */
 329
 330 #define SETUP_SLAVE_PTY \
 331   if (ioctl (xforkin, I_PUSH, "ptem") == -1)    \
 332     fatal ("ioctl I_PUSH ptem", errno);         \
 333   if (ioctl (xforkin, I_PUSH, "ldterm") == -1)  \
 334     fatal ("ioctl I_PUSH ldterm", errno);       \
 335   if (ioctl (xforkin, I_PUSH, "ttcompat") == -1) \
 336     fatal ("ioctl I_PUSH ttcompat", errno);
 337
 338 #ifdef __GNUC__
 339 #define C_DEBUG_SWITCH -g -V2 -mversion-03.00 -mstandard
 340 #endif
 341
 342 #endif /* ELF */
 343
 344 /* Extra stuff which probably should be someplace else but is here out
 345    of expediency. */
 346
 347 #define LIB_X11_LIB -lX11
 348 #define LIB_MOTIF -lXm -lgen
 349
 350 /* Process groups work in the traditional BSD manner.  */
 351
 352 #define BSD_PGRPS
 353
 354 /* arch-tag: 1b6d117d-82d2-4480-a6d0-3f7a8360f658
 355    (do not change this comment) */