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, 2001, 2002, 2003, 2004,
   4                  2005, 2006, 2007  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 /*
  25  *      Define symbols to identify the version of Unix this is.
  26  *      Define all the symbols that apply correctly.
  27  */
  28
  29 #define USG                             /* System III, System V, etc */
  30
  31 #define USG5
  32
  33 #define HPUX
  34
  35 /* SYSTEM_TYPE should indicate the kind of system you are using.
  36  It sets the Lisp variable system-type.  */
  37
  38 #define SYSTEM_TYPE "hpux"
  39
  40 /* `nomultiplejobs' should be defined if your system's shell
  41  does not have "job control" (the ability to stop a program,
  42  run some other program, then continue the first one).
  43
  44  On hpux this depends on the precise kind of machine in use,
  45  so the m- file defines this symbol if appropriate.  */
  46
  47 /* Default is to set interrupt_input to 0: don't do input buffering within Emacs */
  48
  49 /* #define INTERRUPT_INPUT */
  50
  51 /* Letter to use in finding device name of first pty,
  52   if system supports pty's.  'p' means it is /dev/ptym/ptyp0  */
  53
  54 #define FIRST_PTY_LETTER 'p'
  55
  56 /*
  57  *      Define HAVE_TERMIO if the system provides sysV-style ioctls
  58  *      for terminal control.
  59  */
  60
  61 #define HAVE_TERMIO
  62
  63 /*
  64  *      Define HAVE_PTYS if the system supports pty devices.
  65  */
  66
  67 #define HAVE_PTYS
  68
  69 /* Define HAVE_SOCKETS if system supports 4.2-compatible sockets.  */
  70
  71 #define HAVE_SOCKETS
  72
  73 /*
  74  *      Define NONSYSTEM_DIR_LIBRARY to make Emacs emulate
  75  *      The 4.2 opendir, etc., library functions.
  76  */
  77
  78 /* #define NONSYSTEM_DIR_LIBRARY */
  79
  80 /* Define this symbol if your system has the functions bcopy, etc.
  81  * s800 and later versions of s300 (s200) kernels have equivalents
  82  * of the BSTRING functions of BSD.  If your s200 kernel doesn't have
  83  * em comment out this section.
  84  */
  85
  86 #define BSTRING
  87
  88 /* subprocesses should be defined if you want to
  89  have code for asynchronous subprocesses
  90  (as used in M-x compile and M-x shell).
  91  This is generally OS dependent, and not supported
  92  under most USG systems.  */
  93
  94 #define subprocesses
  95
  96 /* If your system uses COFF (Common Object File Format) then define the
  97    preprocessor symbol "COFF". */
  98
  99 /* #define COFF */
 100
 101 /* define MAIL_USE_FLOCK if the mailer uses flock
 102    to interlock access to /usr/spool/mail/$USER.
 103    The alternative is that a lock file named
 104    /usr/spool/mail/$USER.lock.  */
 105
 106 /* #define MAIL_USE_FLOCK */
 107
 108 /* Say we have the SYSV style of interprocess communication.  */
 109
 110 #define HAVE_SYSVIPC
 111
 112 /* Define CLASH_DETECTION if you want lock files to be written
 113    so that Emacs can tell instantly when you try to modify
 114    a file that someone else has modified in his Emacs.  */
 115
 116 #define CLASH_DETECTION
 117
 118 /* Define SHORTNAMES if the C compiler can distinguish only
 119    short names.  It means that the stuff in ../shortnames
 120    must be run to convert the long names to short ones.
 121
 122    Some USG systems support long names.
 123    If yours is one, DO NOT change this file!
 124    Do #undef SHORTNAMES in the m- file or in config.h.  */
 125
 126 /* #define SHORTNAMES */
 127
 128 /* The file containing the kernel's symbol table is called /hp-ux.  */
 129
 130 #define KERNEL_FILE "/hp-ux"
 131
 132 /* The symbol in the kernel where the load average is found
 133    depends on the cpu type, so we let the m- files define LDAV_SYMBOL.  */
 134
 135 /* Special hacks needed to make Emacs run on this system.  */
 136
 137 /*
 138  *      Make the sigsetmask function go away.  Don't know what the
 139  *      ramifications of this are, but doesn't seem possible to
 140  *      emulate it properly anyway at this point.
 141  */
 142
 143 /* HPUX has sigsetmask */
 144 /* #define sigsetmask(mask)     / * Null expansion * / */
 145
 146 /* setjmp and longjmp can safely replace _setjmp and _longjmp,
 147    but they will run slower.  */
 148
 149 /* HP-UX has _setjmp and _longjmp */
 150 /*
 151 #define _setjmp setjmp
 152 #define _longjmp longjmp
 153 */
 154
 155 /* Use the system provided termcap(3) library */
 156 #define TERMINFO
 157
 158 /* The 48-bit versions are more winning for Emacs;
 159    the ordinary ones don't give even 32 bits.  */
 160 #define random lrand48
 161 #define srandom srand48
 162
 163 /* In hpux, the symbol SIGIO is defined, but the feature
 164    doesn't work in the way Emacs needs it to.  */
 165
 166 #define BROKEN_SIGIO
 167
 168 /* USG systems tend to put everything declared static
 169    into the initialized data area, which becomes pure after dumping Emacs.
 170    Foil this.  Emacs carefully avoids static vars inside functions.  */
 171
 172 #define static
 173
 174 /* Define extra libraries to load.
 175    This should have -lBSD, but that library is said to make
 176    `signal' fail to work.  */
 177
 178 #ifdef HPUX_NET
 179 #define LIBS_SYSTEM -ln
 180 #else
 181 #define LIBS_SYSTEM
 182 #endif
 183
 184 /* Some additional system facilities exist.  */
 185
 186 #define HAVE_PERROR  /* Delete this line for version 6.  */
 187
 188 /* The following maps shared exec file to demand loaded exec.
 189    Don't do this as demand loaded exec is broken in hpux.  */
 190
 191 #if 0
 192
 193 /* Adjust a header field for the executable file about to be dumped.  */
 194
 195 #define ADJUST_EXEC_HEADER   \
 196   hdr.a_magic = ((ohdr.a_magic.file_type == OLDMAGIC.file_type) ?  \
 197                  NEWMAGIC : ohdr.a_magic);
 198
 199 #endif
 200
 201 /* Baud-rate values in tty status have nonstandard meanings.  */
 202
 203 #define BAUD_CONVERT  \
 204 { 0, 50, 75, 110, 135, 150, 200, 300, 600, 900, 1200,  \
 205   1800, 2400, 3600, 4800, 7200, 9600, 19200, 38400 }
 206
 207 /* This is needed for HPUX version 6.2; it may not be needed for 6.2.1.  */
 208 #define SHORT_CAST_BUG
 209
 210 /* This is how to get the device name of the tty end of a pty.  */
 211 #define PTY_TTY_NAME_SPRINTF \
 212             sprintf (pty_name, "/dev/pty/tty%c%x", c, i);
 213
 214 /* This is how to get the device name of the control end of a pty.  */
 215 #define PTY_NAME_SPRINTF \
 216         sprintf (pty_name, "/dev/ptym/pty%c%x", c, i);
 217
 218 /* This triggers a conditional in xfaces.c.  */
 219 #define XOS_NEEDS_TIME_H
 220
 221 #ifndef HPUX8
 222 /* It's possible that HPUX 7 has sys/wait.h but it does not work right.  */
 223 #undef HAVE_SYS_WAIT_H
 224 #endif
 225
 226 /* arch-tag: 75c1239f-fedb-4f64-8f86-7893e75699e8
 227    (do not change this comment) */