libgomp.h (gomp_cpu_affinity, [...]): New extern decls.

	* libgomp.h (gomp_cpu_affinity, gomp_cpu_affinity_len): New extern
	decls.
	(gomp_init_affinity, gomp_init_thread_affinity): New prototypes.
	* env.c (gomp_cpu_affinity, gomp_cpu_affinity_len): New variables.
	(parse_affinity): New function.
	(initialize_env): Call it and gomp_init_affinity.
	* team.c (gomp_team_start): If gomp_cpu_affinity != NULL,
	create new pthread_attr_t and call gomp_init_thread_affinity
	on it for each thread before passing the attribute to pthread_create.
	* config/linux/affinity.c: New file.
	* config/posix/affinity.c: New file.
	* configure.ac (HAVE_PTHREAD_AFFINITY_NP): New test.
	* configure: Rebuilt.
	* config.h.in: Rebuilt.
	* Makefile.am (libgomp_la_SOURCES): Add affinity.c.
	* Makefile.in: Rebuilt.

From-SVN: r123494

1 files changed, 41 insertions, 0 deletions

diff --git a/libgomp/config/posix/affinity.c b/libgomp/config/posix/affinity.c
new file mode 100644
index 0000000..67cb37a
--- /dev/null
+++ b/libgomp/config/posix/affinity.c
@@ -0,0 +1,41 @@
+/* Copyright (C) 2006 Free Software Foundation, Inc.
+   Contributed by Jakub Jelinek <jakub@redhat.com>.
+
+   This file is part of the GNU OpenMP Library (libgomp).
+
+   Libgomp is free software; you can redistribute it and/or modify it
+   under the terms of the GNU Lesser General Public License as published by
+   the Free Software Foundation; either version 2.1 of the License, or
+   (at your option) any later version.
+
+   Libgomp 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 Lesser General Public License for
+   more details.
+
+   You should have received a copy of the GNU Lesser General Public License 
+   along with libgomp; see the file COPYING.LIB.  If not, write to the
+   Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+   MA 02110-1301, USA.  */
+
+/* As a special exception, if you link this library with other files, some
+   of which are compiled with GCC, to produce an executable, this library
+   does not by itself cause the resulting executable to be covered by the
+   GNU General Public License.  This exception does not however invalidate
+   any other reasons why the executable file might be covered by the GNU
+   General Public License.  */
+
+/* This is a generic stub implementation of a CPU affinity setting.  */
+
+#include "libgomp.h"
+
+void
+gomp_init_affinity (void)
+{
+}
+
+void
+gomp_init_thread_affinity (pthread_attr_t *attr)
+{
+  (void) attr;
+}