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, 1999 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, Inc., 59 Temple Place - Suite 330,
  20 Boston, MA 02111-1307, USA.  */
  21
  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 USG                             /* System III, System V, etc */
  29
  30 #define USG5
  31
  32 #define HPUX
  33
  34 /* SYSTEM_TYPE should indicate the kind of system you are using.
  35  It sets the Lisp variable system-type.  */
  36
  37 #define SYSTEM_TYPE "hpux"
  38
  39 /* `nomultiplejobs' should be defined if your system's shell
  40  does not have "job control" (the ability to stop a program,
  41  run some other program, then continue the first one).
  42
  43  On hpux this depends on the precise kind of machine in use,
  44  so the m- file defines this symbol if appropriate.  */
  45
  46 /* Default is to set interrupt_input to 0: don't do input buffering within Emacs */
  47
  48 /* #define INTERRUPT_INPUT */
  49
  50 /* Letter to use in finding device name of first pty,
  51   if system supports pty's.  'p' means it is /dev/ptym/ptyp0  */
  52
  53 #define FIRST_PTY_LETTER 'p'
  54
  55 /*
  56  *      Define HAVE_TERMIO if the system provides sysV-style ioctls
  57  *      for terminal control.
  58  */
  59
  60 #define HAVE_TERMIO
  61
  62 /*
  63  *      Define HAVE_PTYS if the system supports pty devices.
  64  */
  65
  66 #define HAVE_PTYS
  67
  68 /* Define HAVE_SOCKETS if system supports 4.2-compatible sockets.  */
  69
  70 #define HAVE_SOCKETS
  71
  72 /*
  73  *      Define NONSYSTEM_DIR_LIBRARY to make Emacs emulate
  74  *      The 4.2 opendir, etc., library functions.
  75  */
  76
  77 /* #define NONSYSTEM_DIR_LIBRARY */
  78
  79 /* Define this symbol if your system has the functions bcopy, etc.
  80  * s800 and later versions of s300 (s200) kernels have equivalents
  81  * of the BSTRING functions of BSD.  If your s200 kernel doesn't have
  82  * em comment out this section.
  83  */
  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 /* Say we have the SYSV style of interprocess communication.  */
 108
 109 #define HAVE_SYSVIPC
 110
 111 /* Define CLASH_DETECTION if you want lock files to be written
 112    so that Emacs can tell instantly when you try to modify
 113    a file that someone else has modified in his Emacs.  */
 114
 115 #define CLASH_DETECTION
 116
 117 /* Define SHORTNAMES if the C compiler can distinguish only
 118    short names.  It means that the stuff in ../shortnames
 119    must be run to convert the long names to short ones.
 120
 121    Some USG systems support long names.
 122    If yours is one, DO NOT change this file!
 123    Do #undef SHORTNAMES in the m- file or in config.h.  */
 124
 125 /* #define SHORTNAMES */
 126
 127 /* The file containing the kernel's symbol table is called /hp-ux.  */
 128
 129 #define KERNEL_FILE "/hp-ux"
 130
 131 /* The symbol in the kernel where the load average is found
 132    depends on the cpu type, so we let the m- files define LDAV_SYMBOL.  */
 133
 134 /* Special hacks needed to make Emacs run on this system.  */
 135
 136 /*
 137  *      Make the sigsetmask function go away.  Don't know what the
 138  *      ramifications of this are, but doesn't seem possible to
 139  *      emulate it properly anyway at this point.
 140  */
 141
 142 /* HPUX has sigsetmask */
 143 /* #define sigsetmask(mask)     / * Null expansion * / */
 144
 145 /* setjmp and longjmp can safely replace _setjmp and _longjmp,
 146    but they will run slower.  */
 147
 148 /* HP-UX has _setjmp and _longjmp */
 149 /*
 150 #define _setjmp setjmp
 151 #define _longjmp longjmp
 152 */
 153
 154 /* Use the system provided termcap(3) library */
 155 #define TERMINFO
 156
 157 /* The 48-bit versions are more winning for Emacs;
 158    the ordinary ones don't give even 32 bits.  */
 159 #define random lrand48
 160 #define srandom srand48
 161
 162 /* In hpux, the symbol SIGIO is defined, but the feature
 163    doesn't work in the way Emacs needs it to.  */
 164
 165 #define BROKEN_SIGIO
 166
 167 /* USG systems tend to put everything declared static
 168    into the initialized data area, which becomes pure after dumping Emacs.
 169    Foil this.  Emacs carefully avoids static vars inside functions.  */
 170
 171 #define static
 172
 173 /* Define extra libraries to load.
 174    This should have -lBSD, but that library is said to make
 175    `signal' fail to work.  */
 176
 177 #ifdef HPUX_NET
 178 #define LIBS_SYSTEM -ln
 179 #else
 180 #define LIBS_SYSTEM
 181 #endif
 182
 183 /* Some additional system facilities exist.  */
 184
 185 #define HAVE_PERROR  /* Delete this line for version 6.  */
 186
 187 /* The following maps shared exec file to demand loaded exec.
 188    Don't do this as demand loaded exec is broken in hpux.  */
 189
 190 #if 0
 191
 192 /* Adjust a header field for the executable file about to be dumped.  */
 193
 194 #define ADJUST_EXEC_HEADER   \
 195   hdr.a_magic = ((ohdr.a_magic.file_type == OLDMAGIC.file_type) ?  \
 196                  NEWMAGIC : ohdr.a_magic);
 197
 198 #endif
 199
 200 /* Baud-rate values in tty status have nonstandard meanings.  */
 201
 202 #define BAUD_CONVERT  \
 203 { 0, 50, 75, 110, 135, 150, 200, 300, 600, 900, 1200,  \
 204   1800, 2400, 3600, 4800, 7200, 9600, 19200, 38400 }
 205
 206 /* This is needed for HPUX version 6.2; it may not be needed for 6.2.1.  */
 207 #define SHORT_CAST_BUG
 208
 209 /* This is how to get the device name of the tty end of a pty.  */
 210 #define PTY_TTY_NAME_SPRINTF \
 211             sprintf (pty_name, "/dev/pty/tty%c%x", c, i);
 212
 213 /* This is how to get the device name of the control end of a pty.  */
 214 #define PTY_NAME_SPRINTF \
 215         sprintf (pty_name, "/dev/ptym/pty%c%x", c, i);
 216
 217 /* This triggers a conditional in xfaces.c.  */
 218 #define XOS_NEEDS_TIME_H