--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/s/ptx.h	Mon Aug 13 08:45:50 2007 +0200
@@ -0,0 +1,139 @@
+/* Definitions file for GNU Emacs running on Sequent DYNIX/ptx 1.x/2.x
+   Copyright (C) 1987, 1990 Free Software Foundation, Inc.
+
+This file is part of GNU Emacs.
+
+GNU Emacs is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2, or (at your option)
+any later version.
+
+GNU Emacs is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with XEmacs; see the file COPYING.  If not, write to
+the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+Boston, MA 02111-1307, USA.  */
+
+/* Synched up with: FSF 19.31. */
+
+/* This file was written by Bill Burton <billb@progress.com>.  Parts were
+   adapted from m-ptx1-2.h and process.c as distributed with the Emacs 18.57
+   on the Sequent Public software tape. Other parts were adapted from
+   usg5-4.h. */
+
+/* Use the SysVr3 file for base configuration even though much is changed.  */
+#define DONT_DEFINE_NO_REMAP /* `static' hack not needed */
+#include "usg5-3.h"
+
+/* Undo these defines because they are incorrect or need to be changed.  */
+#undef LIB_X11_LIB
+#undef LIBX10_SYSTEM
+#undef LIBX11_SYSTEM
+#undef USG_SHARED_LIBRARIES
+
+/* PTX has System V streams.  */
+#define SYSV_STREAMS
+ 
+/* Leave out -lPW since it conflicts with term.o and because we're not sure 
+   if the alloca found there by autoconf should be trusted on PTX.  */
+#define LIB_STANDARD -lc
+
+#ifndef HAVE_SOCKETS /* determined by configure */
+#define NO_SUBPROCESSES
+#endif
+
+#ifdef HAVE_X_WINDOWS
+
+#define LIBX11_SYSTEM -lsocket -linet -lnsl
+/* This is also defined so that lib-src/profile can link.  */
+#define LIBS_SYSTEM -lseq
+
+#else /* ! HAVE_X_WINDOWS */
+
+#ifdef HAVE_SOCKETS
+#define LIBS_SYSTEM -lsocket -linet -lnsl -lseq
+#else
+#define LIBS_SYSTEM -lseq
+#endif
+
+#endif /* ! HAVE_X_WINDOWS */
+
+/* No <sioctl.h> */
+#define NO_SIOCTL_H
+
+/* If we have X windows, configure should find gettimeofday in -lX11.
+   Since we emulate gettimeofday below, we really have it anyway.  */
+#ifndef HAVE_GETTIMEOFDAY
+#define HAVE_GETTIMEOFDAY
+#endif
+
+#ifdef emacs
+#include <sys/stropts.h>	/* Support for pty's */
+#include <sys/conf.h>
+
+/*#define BROKEN_SIGIO*/	/* SIGIO is already undef'd elsewhere. PTX
+                                   has SIGIO, but it's just an alias for
+                                   SIGPOLL.  */
+
+/* Emulate gettimeofday() except for the time zone information which Emacs
+   doesn't use anyway.  Get_process_stats() is in -lseq.  */
+#include <sys/procstats.h>
+#define gettimeofday(tp, tzp) get_process_stats (tp, PS_SELF, 0, 0)
+
+/* Define timezone since it's not in sys/time.h.  Unfortunately, this causes
+   trouble when building with X since this struct is defined in
+   <X11/Xos.h>.  */
+struct timezone
+{
+  int tz_minuteswest;
+  int tz_dsttime;
+};
+
+/* Unfortunately, this define is not checked in all files including
+   <X11/Xos.h> so we can't use it.  */
+/* #define XOS_NEEDS_TIME_H */
+
+/* In ptx/WINDOWS, this prevents problems with the timezone struct being
+   redefined in <X11/Xos.h>.  It seems the necessary include files are
+   included via systime.h so leaving them out here is not a problem.  This
+   may not work in X11R5 or X11R6.  */
+#define __TIMEVAL__
+
+#endif  /* emacs */
+
+/* PTX has termios */
+#undef BROKEN_TIOCGWINSZ
+#undef BROKEN_TIOCGETC
+
+/* PTX has pty's but not like System V */
+#define HAVE_PTYS
+#undef SYSV_PTYS
+
+/* Provide pty support which is defined into process.c:allocate_pty.
+   Basic ideas for handling getpseudotty were lifted from process.c in
+   Emacs 18.57 included on the Sequent Public Software tape.  However, this
+   implementation bears almost no resemblance to the original and does not
+   require that process.c be patched.  */
+#define PTY_ITERATION						\
+  char *mastername, *slavename;					\
+  while (1)
+
+#define PTY_OPEN						\
+  if (failed_count++ >= 5) break;				\
+  if ((fd = getpseudotty (&slavename, &mastername)) < 0) {	\
+    error("Out of ptys.");					\
+    continue;							\
+  }								\
+  strcpy (pty_name, slavename);
+
+/* Define these to prevent the default logic in process.c:allocate_pty 
+   from being used.  */
+#define PTY_NAME_SPRINTF
+#define PTY_TTY_NAME_SPRINTF
+
+/* PTX doesn't seem to have memmove.  */
+#define MEMMOVE_MISSING