--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/syswait.h	Mon Aug 13 08:45:50 2007 +0200
@@ -0,0 +1,128 @@
+/* Define wait system call interface for Emacs.
+   Copyright (C) 1993, 1994, 1995 Free Software Foundation, Inc.
+   Copyright (C) 1995 Sun Microsystems, Inc.
+
+This file is part of XEmacs.
+
+XEmacs 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.
+
+XEmacs 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 19.30. */
+
+/* Cleaned up by Ben Wing. */
+
+/* Define the structure that the wait system call stores.
+   On many systems, there is a structure defined for this.
+   But on vanilla-ish USG systems there is not.
+
+   NOTE: POSIX specifies that int, rather than union wait,
+   be used.  BSD systems based on BSD 4.3+ or newer generally
+   have int, but those based on BSD 4.3 or older have union wait.
+ */
+
+#ifndef VMS
+
+#  ifdef HAVE_SYS_WAIT_H
+#    include <sys/wait.h>
+#  endif
+
+#  if !defined (HAVE_UNION_WAIT) /* the POSIX / SYSV way */
+
+#    define WAITTYPE int
+#    ifndef WIFSTOPPED
+#      define WIFSTOPPED(w) (((w) & 0377) == 0177)
+#    endif
+#    ifndef WIFSIGNALED
+#      define WIFSIGNALED(w) (((w) & 0377) != 0177 && ((w) & ~0377) == 0)
+#    endif
+#    ifndef WIFEXITED
+#      define WIFEXITED(w) (((w) & 0377) == 0)
+#    endif
+#    ifndef WRETCODE
+#      ifdef WEXITSTATUS
+#        define WRETCODE(w) WEXITSTATUS (w)
+#      else
+#        define WRETCODE(w) ((w) >> 8)
+#      endif
+#    endif
+#    ifndef WSTOPSIG
+#      define WSTOPSIG(w) ((w) >> 8)
+#    endif
+#    ifndef WTERMSIG
+#      define WTERMSIG(w) ((w) & 0377)
+#    endif
+#    ifndef WCOREDUMP
+#      define WCOREDUMP(w) (((w) & 0200) != 0)
+#    endif
+
+#  else /* the older BSD way */
+
+#    define WAITTYPE union wait
+
+#    ifndef WRETCODE
+#      ifdef WEXITSTATUS
+#        define WRETCODE(w) WEXITSTATUS(w)
+#      else
+#        define WRETCODE(w) w.w_retcode
+#      endif
+#    endif
+
+#    undef WCOREDUMP		/* Later BSDs define this name differently.  */
+#    define WCOREDUMP(w) w.w_coredump
+
+#    if defined (HPUX) || defined (convex)
+/* HPUX version 7 has broken definitions of these.  */
+/* pvogel@convex.com says the convex does too.  */
+#      undef WTERMSIG
+#      undef WSTOPSIG
+#      undef WIFSTOPPED
+#      undef WIFSIGNALED
+#      undef WIFEXITED
+#    endif /* HPUX | convex */
+
+#    ifndef WTERMSIG
+#      define WTERMSIG(w) w.w_termsig
+#    endif
+#    ifndef WSTOPSIG
+#      define WSTOPSIG(w) w.w_stopsig
+#    endif
+#    ifndef WIFSTOPPED
+#      define WIFSTOPPED(w) (WTERMSIG (w) == 0177)
+#    endif
+#    ifndef WIFSIGNALED
+#      define WIFSIGNALED(w) (WTERMSIG (w) != 0177 && (WSTOPSIG (w)) == 0)
+#    endif
+#    ifndef WIFEXITED
+#      define WIFEXITED(w) (WTERMSIG (w) == 0)
+#    endif
+
+#  endif /* HAVE_UNION_WAIT */
+
+#else /* VMS */
+
+#  define WAITTYPE int
+#  define WIFSTOPPED(w) 0
+#  define WIFSIGNALED(w) 0
+#  define WIFEXITED(w) ((w) != -1)
+#  define WRETCODE(w) (w)
+#  define WSTOPSIG(w) (w)
+#  define WCOREDUMP(w) 0
+#  define WTERMSIG(w) (w)
+#  include <ssdef.h>
+#  include <iodef.h>
+#  include <clidef.h>
+#  include "vmsproc.h"
+
+#endif /* VMS */