From e9b9f38495328915756f7a10c5ee08988908fed8 Mon Sep 17 00:00:00 2001
From: Bruno Haible <bruno@clisp.org>
Date: Sun, 28 Sep 2008 13:22:59 +0200
Subject: [PATCH] New module 'sched'.

---
 ChangeLog                    |  8 ++++++++
 doc/posix-headers/sched.texi |  8 ++++----
 lib/sched.in.h               | 25 +++++++++++++++++++++++++
 m4/sched_h.m4                | 18 ++++++++++++++++++
 modules/sched                | 34 ++++++++++++++++++++++++++++++++++
 5 files changed, 89 insertions(+), 4 deletions(-)
 create mode 100644 lib/sched.in.h
 create mode 100644 m4/sched_h.m4
 create mode 100644 modules/sched

diff --git a/ChangeLog b/ChangeLog
index fb7d84622..5ab003bfa 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,11 @@
+2008-09-28  Bruno Haible  <bruno@clisp.org>
+
+	New module 'sched'.
+	* modules/sched: New file.
+	* lib/sched.in.h: New file.
+	* m4/sched_h.m4: New file.
+	* doc/posix-headers/sched.texi: Mention the new module.
+
 2008-09-27  Eric Blake  <ebb9@byu.net>
 
 	Fix previous patch, and tweak references to $0.
diff --git a/doc/posix-headers/sched.texi b/doc/posix-headers/sched.texi
index 7117cbe74..677bb82f0 100644
--- a/doc/posix-headers/sched.texi
+++ b/doc/posix-headers/sched.texi
@@ -3,15 +3,15 @@
 
 POSIX specification: @url{http://www.opengroup.org/susv3xbd/sched.h.html}
 
-Gnulib module: ---
+Gnulib module: sched
 
 Portability problems fixed by Gnulib:
 @itemize
+@item
+This header file is missing on some platforms:
+mingw, BeOS.
 @end itemize
 
 Portability problems not fixed by Gnulib:
 @itemize
-@item
-This header file is missing on some platforms:
-mingw, BeOS.
 @end itemize
diff --git a/lib/sched.in.h b/lib/sched.in.h
new file mode 100644
index 000000000..39c35bffb
--- /dev/null
+++ b/lib/sched.in.h
@@ -0,0 +1,25 @@
+/* Replacement <sched.h> for platforms that lack it.
+   Copyright (C) 2008 Free Software Foundation, Inc.
+
+   This program 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.
+
+   This program 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 this program.  If not, see <http://www.gnu.org/licenses/>.  */
+
+#ifndef _GL_SCHED_H
+#define _GL_SCHED_H
+
+struct sched_param
+{
+  int sched_priority;
+};
+
+#endif /* _GL_SCHED_H */
diff --git a/m4/sched_h.m4 b/m4/sched_h.m4
new file mode 100644
index 000000000..697d82987
--- /dev/null
+++ b/m4/sched_h.m4
@@ -0,0 +1,18 @@
+# sched_h.m4 serial 1
+dnl Copyright (C) 2008 Free Software Foundation, Inc.
+dnl This file is free software; the Free Software Foundation
+dnl gives unlimited permission to copy and/or distribute it,
+dnl with or without modifications, as long as this notice is preserved.
+
+dnl Written by Bruno Haible.
+
+AC_DEFUN([gl_SCHED_H],
+[
+  AC_CHECK_HEADERS_ONCE([sched.h])
+  if test $ac_cv_header_sched_h = yes; then
+    SCHED_H=''
+  else
+    SCHED_H='sched.h'
+  fi
+  AC_SUBST([SCHED_H])
+])
diff --git a/modules/sched b/modules/sched
new file mode 100644
index 000000000..e125fba9a
--- /dev/null
+++ b/modules/sched
@@ -0,0 +1,34 @@
+Description:
+A <sched.h> include file.
+
+Files:
+lib/sched.in.h
+m4/sched_h.m4
+
+Depends-on:
+
+configure.ac:
+gl_SCHED_H
+
+Makefile.am:
+BUILT_SOURCES += $(SPAWN_H)
+
+# We need the following in order to create a replacement for <sched.h> when
+# the system doesn't have one.
+sched.h: sched.in.h
+	rm -f $@-t $@
+	{ echo '/* DO NOT EDIT! GENERATED AUTOMATICALLY! */'; \
+	  cat < $(srcdir)/sched.in.h; \
+	} > $@-t
+	mv $@-t $@
+MOSTLYCLEANFILES += sched.h sched.h-t
+
+Include:
+<sched.h>
+
+License:
+LGPL
+
+Maintainer:
+Bruno Haible
+
-- 
2.11.0