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-rw-r--r--gcc-4.4.3/libgomp/config/linux/affinity.c92
1 files changed, 0 insertions, 92 deletions
diff --git a/gcc-4.4.3/libgomp/config/linux/affinity.c b/gcc-4.4.3/libgomp/config/linux/affinity.c
deleted file mode 100644
index 40519e889..000000000
--- a/gcc-4.4.3/libgomp/config/linux/affinity.c
+++ /dev/null
@@ -1,92 +0,0 @@
-/* Copyright (C) 2006, 2007, 2008, 2009 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 General Public License as published by
- the Free Software Foundation; either version 3, 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 General Public License for
- more details.
-
- Under Section 7 of GPL version 3, you are granted additional
- permissions described in the GCC Runtime Library Exception, version
- 3.1, as published by the Free Software Foundation.
-
- You should have received a copy of the GNU General Public License and
- a copy of the GCC Runtime Library Exception along with this program;
- see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
- <http://www.gnu.org/licenses/>. */
-
-/* This is a Linux specific implementation of a CPU affinity setting. */
-
-#ifndef _GNU_SOURCE
-#define _GNU_SOURCE 1
-#endif
-#include "libgomp.h"
-#include <sched.h>
-#include <stdlib.h>
-#include <unistd.h>
-
-#ifdef HAVE_PTHREAD_AFFINITY_NP
-
-static unsigned int affinity_counter;
-
-void
-gomp_init_affinity (void)
-{
- cpu_set_t cpuset;
- size_t idx, widx;
-
- if (pthread_getaffinity_np (pthread_self (), sizeof (cpuset), &cpuset))
- {
- gomp_error ("could not get CPU affinity set");
- free (gomp_cpu_affinity);
- gomp_cpu_affinity = NULL;
- gomp_cpu_affinity_len = 0;
- return;
- }
-
- for (widx = idx = 0; idx < gomp_cpu_affinity_len; idx++)
- if (gomp_cpu_affinity[idx] < CPU_SETSIZE
- && CPU_ISSET (gomp_cpu_affinity[idx], &cpuset))
- gomp_cpu_affinity[widx++] = gomp_cpu_affinity[idx];
-
- if (widx == 0)
- {
- gomp_error ("no CPUs left for affinity setting");
- free (gomp_cpu_affinity);
- gomp_cpu_affinity = NULL;
- gomp_cpu_affinity_len = 0;
- return;
- }
-
- gomp_cpu_affinity_len = widx;
- CPU_ZERO (&cpuset);
- CPU_SET (gomp_cpu_affinity[0], &cpuset);
- pthread_setaffinity_np (pthread_self (), sizeof (cpuset), &cpuset);
- affinity_counter = 1;
-}
-
-void
-gomp_init_thread_affinity (pthread_attr_t *attr)
-{
- unsigned int cpu;
- cpu_set_t cpuset;
-
- cpu = __sync_fetch_and_add (&affinity_counter, 1);
- cpu %= gomp_cpu_affinity_len;
- CPU_ZERO (&cpuset);
- CPU_SET (gomp_cpu_affinity[cpu], &cpuset);
- pthread_attr_setaffinity_np (attr, sizeof (cpu_set_t), &cpuset);
-}
-
-#else
-
-#include "../posix/affinity.c"
-
-#endif