code.delx.au - gnu-emacs/blob - src/s/hpux.h

   1 /* Definitions file for GNU Emacs running on HPUX release 7.0.
   2    Based on AT&T System V.2.
   3    Copyright (C) 1985, 1986 Free Software Foundation, Inc.
   4
   5 This file is part of GNU Emacs.
   6
   7 GNU Emacs is free software; you can redistribute it and/or modify
   8 it under the terms of the GNU General Public License as published by
   9 the Free Software Foundation; either version 2, or (at your option)
  10 any later version.
  11
  12 GNU Emacs is distributed in the hope that it will be useful,
  13 but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 GNU General Public License for more details.
  16
  17 You should have received a copy of the GNU General Public License
  18 along with GNU Emacs; see the file COPYING.  If not, write to
  19 the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, 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 HPUX
  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 "hpux"
  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  On hpux this depends on the precise kind of machine in use,
  43  so the m- file defines this symbol if appropriate.  */
  44
  45 /* Default is to set interrupt_input to 0: don't do input buffering within Emacs */
  46
  47 /* #define INTERRUPT_INPUT */
  48
  49 /* Letter to use in finding device name of first pty,
  50   if system supports pty's.  'p' means it is /dev/ptym/ptyp0  */
  51
  52 #define FIRST_PTY_LETTER 'p'
  53
  54 /*
  55  *      Define HAVE_TERMIO if the system provides sysV-style ioctls
  56  *      for terminal control.
  57  */
  58
  59 #define HAVE_TERMIO
  60
  61 /*
  62  *      Define HAVE_PTYS if the system supports pty devices.
  63  */
  64
  65 #define HAVE_PTYS
  66
  67 /* Define HAVE_SOCKETS if system supports 4.2-compatible sockets.  */
  68
  69 #define HAVE_SOCKETS
  70
  71 /*
  72  *      Define NONSYSTEM_DIR_LIBRARY to make Emacs emulate
  73  *      The 4.2 opendir, etc., library functions.
  74  */
  75
  76 /* #define NONSYSTEM_DIR_LIBRARY */
  77
  78 /* Define this symbol if your system has the functions bcopy, etc.
  79  * s800 and later versions of s300 (s200) kernels have equivalents
  80  * of the BSTRING functions of BSD.  If your s200 kernel doesn't have
  81  * em comment out this section.
  82  */
  83
  84 #define BSTRING
  85
  86 /* subprocesses should be defined if you want to
  87  have code for asynchronous subprocesses
  88  (as used in M-x compile and M-x shell).
  89  This is generally OS dependent, and not supported
  90  under most USG systems.  */
  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 /* Say we have the SYSV style of interprocess communication.  */
 107
 108 #define HAVE_SYSVIPC
 109
 110 /* Define CLASH_DETECTION if you want lock files to be written
 111    so that Emacs can tell instantly when you try to modify
 112    a file that someone else has modified in his Emacs.  */
 113
 114 #define CLASH_DETECTION
 115
 116 /* Define SHORTNAMES if the C compiler can distinguish only
 117    short names.  It means that the stuff in ../shortnames
 118    must be run to convert the long names to short ones.
 119
 120    Some USG systems support long names.
 121    If yours is one, DO NOT change this file!
 122    Do #undef SHORTNAMES in the m- file or in config.h.  */
 123
 124 /* #define SHORTNAMES */
 125
 126 /* We use the Berkeley (and usg5.2.2) interface to nlist.  */
 127
 128 #define NLIST_STRUCT
 129
 130 /* The file containing the kernel's symbol table is called /hp-ux.  */
 131
 132 #define KERNEL_FILE "/hp-ux"
 133
 134 /* The symbol in the kernel where the load average is found
 135    depends on the cpu type, so we let the m- files define LDAV_SYMBOL.  */
 136
 137 /* Special hacks needed to make Emacs run on this system.  */
 138
 139 /*
 140  *      Make the sigsetmask function go away.  Don't know what the
 141  *      ramifications of this are, but doesn't seem possible to
 142  *      emulate it properly anyway at this point.
 143  */
 144
 145 /* HPUX has sigsetmask */
 146 /* #define sigsetmask(mask)     / * Null expansion * / */
 147
 148 /* setjmp and longjmp can safely replace _setjmp and _longjmp,
 149    but they will run slower.  */
 150
 151 /* HP-UX has _setjmp and _longjmp */
 152 /*
 153 #define _setjmp setjmp
 154 #define _longjmp longjmp
 155 */
 156
 157 /* On USG systems the system calls are interruptible by signals
 158  that the user program has elected to catch.  Thus the system call
 159  must be retried in these cases.  To handle this without massive
 160  changes in the source code, we remap the standard system call names
 161  to names for our own functions in sysdep.c that do the system call
 162  with retries. */
 163
 164 #define read sys_read
 165 #define open sys_open
 166 #define write sys_write
 167
 168 #define INTERRUPTIBLE_OPEN
 169 #define INTERRUPTIBLE_IO
 170
 171 /* Use the system provided termcap(3) library */
 172 #define TERMINFO
 173
 174 /* The 48-bit versions are more winning for Emacs;
 175    the ordinary ones don't give even 32 bits.  */
 176 #define random lrand48
 177 #define srandom srand48
 178
 179 /* In hpux, the symbol SIGIO is defined, but the feature
 180    doesn't work in the way Emacs needs it to.
 181
 182    Here we assume that signal.h is included before config.h
 183    so that we can override it here.  */
 184
 185 #undef SIGIO
 186
 187 /* USG systems tend to put everything declared static
 188    into the initialized data area, which becomes pure after dumping Emacs.
 189    Foil this.  Emacs carefully avoids static vars inside functions.  */
 190
 191 #define static
 192
 193 /* Define extra libraries to load.
 194    This should have -lBSD, but that library is said to make
 195    `signal' fail to work.  */
 196
 197 #ifdef HPUX_NET
 198 #define LIBS_SYSTEM -ln
 199 #else
 200 #define LIBS_SYSTEM
 201 #endif
 202
 203 /* Some additional system facilities exist.  */
 204
 205 #define HAVE_VFORK
 206 #define HAVE_PERROR  /* Delete this line for version 6.  */
 207
 208 /* The following maps shared exec file to demand loaded exec.
 209    Don't do this as demand loaded exec is broken in hpux.  */
 210
 211 #if 0
 212
 213 /* Adjust a header field for the executable file about to be dumped.  */
 214
 215 #define ADJUST_EXEC_HEADER   \
 216   hdr.a_magic = ((ohdr.a_magic.file_type == OLDMAGIC.file_type) ?  \
 217                  NEWMAGIC : ohdr.a_magic);
 218
 219 #endif
 220
 221 /* Baud-rate values in tty status have nonstandard meanings.  */
 222
 223 #define BAUD_CONVERT  \
 224 { 0, 50, 75, 110, 135, 150, 200, 300, 600, 900, 1200,  \
 225   1800, 2400, 3600, 4800, 7200, 9600, 19200, 38400 }
 226
 227 /* This is needed for HPUX version 6.2; it may not be needed for 6.2.1.  */
 228 #define SHORT_CAST_BUG
 229
 230 /* This is how to get the device name of the tty end of a pty.  */
 231 #define PTY_TTY_NAME_SPRINTF \
 232             sprintf (pty_name, "/dev/pty/tty%c%x", c, i);
 233
 234 /* This is how to get the device name of the control end of a pty.  */
 235 #define PTY_NAME_SPRINTF \
 236         sprintf (pty_name, "/dev/ptym/pty%c%x", c, i);
 237
 238 /* This triggers a conditional in xfaces.c.  */
 239 #define XOS_NEEDS_TIME_H