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, 2008  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 3, 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 /* The file containing the kernel's symbol table is called /hp-ux.  */
 119
 120 #define KERNEL_FILE "/hp-ux"
 121
 122 /* The symbol in the kernel where the load average is found
 123    depends on the cpu type, so we let the m- files define LDAV_SYMBOL.  */
 124
 125 /* Special hacks needed to make Emacs run on this system.  */
 126
 127 /*
 128  *      Make the sigsetmask function go away.  Don't know what the
 129  *      ramifications of this are, but doesn't seem possible to
 130  *      emulate it properly anyway at this point.
 131  */
 132
 133 /* HPUX has sigsetmask */
 134 /* #define sigsetmask(mask)     / * Null expansion * / */
 135
 136 /* setjmp and longjmp can safely replace _setjmp and _longjmp,
 137    but they will run slower.  */
 138
 139 /* HP-UX has _setjmp and _longjmp */
 140 /*
 141 #define _setjmp setjmp
 142 #define _longjmp longjmp
 143 */
 144
 145 /* Use the system provided termcap(3) library */
 146 #define TERMINFO
 147
 148 /* The 48-bit versions are more winning for Emacs;
 149    the ordinary ones don't give even 32 bits.  */
 150 #define random lrand48
 151 #define srandom srand48
 152
 153 /* In hpux, the symbol SIGIO is defined, but the feature
 154    doesn't work in the way Emacs needs it to.  */
 155
 156 #define BROKEN_SIGIO
 157
 158 /* USG systems tend to put everything declared static
 159    into the initialized data area, which becomes pure after dumping Emacs.
 160    Foil this.  Emacs carefully avoids static vars inside functions.
 161    http://lists.gnu.org/archive/html/emacs-devel/2007-09/msg00368.html
 162    As of at least HPUX 11.11 (2000), it seems this workaround is no
 163    longer needed.  Try uncommenting the following if you have problems
 164    on older versions.  */
 165
 166 /* This is unnecessary in HPUX versions 10.20, 11.0, 11.11, 11.23.  */
 167
 168 /* #define static  */
 169
 170 /* Define extra libraries to load.
 171    This should have -lBSD, but that library is said to make
 172    `signal' fail to work.  */
 173
 174 #ifdef HPUX_NET
 175 #define LIBS_SYSTEM -ln
 176 #else
 177 #define LIBS_SYSTEM
 178 #endif
 179
 180 /* Some additional system facilities exist.  */
 181
 182 #define HAVE_PERROR  /* Delete this line for version 6.  */
 183
 184 /* The following maps shared exec file to demand loaded exec.
 185    Don't do this as demand loaded exec is broken in hpux.  */
 186
 187 #if 0
 188
 189 /* Adjust a header field for the executable file about to be dumped.  */
 190
 191 #define ADJUST_EXEC_HEADER   \
 192   hdr.a_magic = ((ohdr.a_magic.file_type == OLDMAGIC.file_type) ?  \
 193                  NEWMAGIC : ohdr.a_magic);
 194
 195 #endif
 196
 197 /* Baud-rate values in tty status have nonstandard meanings.  */
 198
 199 #define BAUD_CONVERT  \
 200 { 0, 50, 75, 110, 135, 150, 200, 300, 600, 900, 1200,  \
 201   1800, 2400, 3600, 4800, 7200, 9600, 19200, 38400 }
 202
 203 /* This is how to get the device name of the tty end of a pty.  */
 204 #define PTY_TTY_NAME_SPRINTF \
 205             sprintf (pty_name, "/dev/pty/tty%c%x", c, i);
 206
 207 /* This is how to get the device name of the control end of a pty.  */
 208 #define PTY_NAME_SPRINTF \
 209         sprintf (pty_name, "/dev/ptym/pty%c%x", c, i);
 210
 211 /* This triggers a conditional in xfaces.c.  */
 212 #define XOS_NEEDS_TIME_H
 213
 214 #ifndef HPUX8
 215 /* It's possible that HPUX 7 has sys/wait.h but it does not work right.  */
 216 #undef HAVE_SYS_WAIT_H
 217 #endif
 218
 219 /* arch-tag: 75c1239f-fedb-4f64-8f86-7893e75699e8
 220    (do not change this comment) */