/* Define wait system call interface for Emacs.
- Copyright (C) 1993, 1994, 1995, 2000, 2001, 2002, 2003, 2004,
- 2005, 2006, 2007, 2008 Free Software Foundation, Inc.
+ Copyright (C) 1993-1995, 2000-2016 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 3 of the License, or
-(at your option) any later version.
+the Free Software Foundation, either version 3 of the License, 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
#ifndef EMACS_SYSWAIT_H
#define EMACS_SYSWAIT_H
-#ifndef VMS
-
-/* This is now really the approach recommended by Autoconf. If this
- doesn't cause trouble anywhere, remove the original code, which is
- #if'd out below. */
-
-#if 1
#include <sys/types.h>
-#ifdef HAVE_SYS_WAIT_H /* We have sys/wait.h with POSIXoid definitions. */
+#ifdef HAVE_SYS_WAIT_H /* We have sys/wait.h with POSIXish definitions. */
#include <sys/wait.h>
#endif /* !HAVE_SYS_WAIT_H */
+#ifndef WCONTINUED
+#define WCONTINUED 8
+#endif
+
#ifndef WCOREDUMP /* not POSIX */
#define WCOREDUMP(status) ((status) & 0x80)
#endif
#define WTERMSIG(status) ((status) & 0x7f)
#endif
-#undef WAITTYPE
-#define WAITTYPE int
-#undef WRETCODE
-#define WRETCODE(status) WEXITSTATUS (status)
-
-#else /* 0 */
-
-#ifndef WAITTYPE
-
-#ifdef WAIT_USE_INT
-/* Some systems have union wait in their header, but we should use
- int regardless of that. */
-#include <sys/wait.h>
-#define WAITTYPE int
-#define WRETCODE(w) WEXITSTATUS (w)
-
-#else /* not WAIT_USE_INT */
-
-#if (!defined (BSD_SYSTEM) && !(defined (HPUX) && !defined (NOMULTIPLEJOBS)) && !defined (HAVE_WAIT_HEADER))
-#define WAITTYPE int
-#define WIFSTOPPED(w) ((w&0377) == 0177)
-#define WIFSIGNALED(w) ((w&0377) != 0177 && (w&~0377) == 0)
-#define WIFEXITED(w) ((w&0377) == 0)
-#define WRETCODE(w) (w >> 8)
-#define WSTOPSIG(w) (w >> 8)
-#define WTERMSIG(w) (w & 0177)
-#ifndef WCOREDUMP
-#define WCOREDUMP(w) ((w&0200) != 0)
-#endif
-
-#else
-
-#include <sys/wait.h>
-
-#define WAITTYPE union wait
-#define WRETCODE(w) w.w_retcode
-#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 /* BSD_SYSTEM || HPUX */
-#endif /* not WAIT_USE_INT */
-#endif /* no WAITTYPE */
-
-#endif /* 0 */
-
-#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 */
+/* Defined in sysdep.c. */
+extern void wait_for_termination (pid_t, int *, bool);
+extern pid_t child_status_changed (pid_t, int *, int);
#endif /* EMACS_SYSWAIT_H */
-
-/* arch-tag: 7e5d9719-ec66-4b6f-89bb-563eea16a899
- (do not change this comment) */