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, 2005, 2006,
   4                  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 of the License, or
  11 (at your option) 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.  If not, see <http://www.gnu.org/licenses/>.  */
  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 /* The file containing the kernel's symbol table is called /hp-ux.  */
 117
 118 #define KERNEL_FILE "/hp-ux"
 119
 120 /* The symbol in the kernel where the load average is found
 121    depends on the cpu type, so we let the m- files define LDAV_SYMBOL.  */
 122
 123 /* Special hacks needed to make Emacs run on this system.  */
 124
 125 /*
 126  *      Make the sigsetmask function go away.  Don't know what the
 127  *      ramifications of this are, but doesn't seem possible to
 128  *      emulate it properly anyway at this point.
 129  */
 130
 131 /* HPUX has sigsetmask */
 132 /* #define sigsetmask(mask)     / * Null expansion * / */
 133
 134 /* setjmp and longjmp can safely replace _setjmp and _longjmp,
 135    but they will run slower.  */
 136
 137 /* HP-UX has _setjmp and _longjmp */
 138 /*
 139 #define _setjmp setjmp
 140 #define _longjmp longjmp
 141 */
 142
 143 /* Use the system provided termcap(3) library */
 144 #define TERMINFO
 145
 146 /* The 48-bit versions are more winning for Emacs;
 147    the ordinary ones don't give even 32 bits.  */
 148 #define random lrand48
 149 #define srandom srand48
 150
 151 /* In hpux, the symbol SIGIO is defined, but the feature
 152    doesn't work in the way Emacs needs it to.  */
 153
 154 #define BROKEN_SIGIO
 155
 156 /* USG systems tend to put everything declared static
 157    into the initialized data area, which becomes pure after dumping Emacs.
 158    Foil this.  Emacs carefully avoids static vars inside functions.
 159    http://lists.gnu.org/archive/html/emacs-devel/2007-09/msg00368.html
 160    As of at least HPUX 11.11 (2000), it seems this workaround is no
 161    longer needed.  Try uncommenting the following if you have problems
 162    on older versions.  */
 163
 164 /* This is unnecessary in HPUX versions 10.20, 11.0, 11.11, 11.23.  */
 165
 166 /* #define static  */
 167
 168 /* Define extra libraries to load.
 169    This should have -lBSD, but that library is said to make
 170    `signal' fail to work.  */
 171
 172 #ifdef HPUX_NET
 173 #define LIBS_SYSTEM -ln
 174 #else
 175 #define LIBS_SYSTEM
 176 #endif
 177
 178 /* Some additional system facilities exist.  */
 179
 180 #define HAVE_PERROR  /* Delete this line for version 6.  */
 181
 182 /* The following maps shared exec file to demand loaded exec.
 183    Don't do this as demand loaded exec is broken in hpux.  */
 184
 185 #if 0
 186
 187 /* Adjust a header field for the executable file about to be dumped.  */
 188
 189 #define ADJUST_EXEC_HEADER   \
 190   hdr.a_magic = ((ohdr.a_magic.file_type == OLDMAGIC.file_type) ?  \
 191                  NEWMAGIC : ohdr.a_magic);
 192
 193 #endif
 194
 195 /* Baud-rate values in tty status have nonstandard meanings.  */
 196
 197 #define BAUD_CONVERT  \
 198 { 0, 50, 75, 110, 135, 150, 200, 300, 600, 900, 1200,  \
 199   1800, 2400, 3600, 4800, 7200, 9600, 19200, 38400 }
 200
 201 /* This is how to get the device name of the tty end of a pty.  */
 202 #define PTY_TTY_NAME_SPRINTF \
 203             sprintf (pty_name, "/dev/pty/tty%c%x", c, i);
 204
 205 /* This is how to get the device name of the control end of a pty.  */
 206 #define PTY_NAME_SPRINTF \
 207         sprintf (pty_name, "/dev/ptym/pty%c%x", c, i);
 208
 209 /* This triggers a conditional in xfaces.c.  */
 210 #define XOS_NEEDS_TIME_H
 211
 212 #ifndef HPUX8
 213 /* It's possible that HPUX 7 has sys/wait.h but it does not work right.  */
 214 #undef HAVE_SYS_WAIT_H
 215 #endif
 216
 217 /* arch-tag: 75c1239f-fedb-4f64-8f86-7893e75699e8
 218    (do not change this comment) */