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157 lines
3.1 KiB
C
157 lines
3.1 KiB
C
/* Copyright (C) 2006-2024 Free Software Foundation, Inc.
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Contributed by Jakub Jelinek <jakub@redhat.com>.
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This file is part of the GNU Offloading and Multi Processing Library
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(libgomp).
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Libgomp is free software; you can redistribute it and/or modify it
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under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3, or (at your option)
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any later version.
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Libgomp is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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more details.
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Under Section 7 of GPL version 3, you are granted additional
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permissions described in the GCC Runtime Library Exception, version
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3.1, as published by the Free Software Foundation.
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You should have received a copy of the GNU General Public License and
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a copy of the GCC Runtime Library Exception along with this program;
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see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
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<http://www.gnu.org/licenses/>. */
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/* This is a generic stub implementation of a CPU affinity setting. */
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#include "libgomp.h"
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#include <string.h>
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#include <stdio.h>
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void
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gomp_init_affinity (void)
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{
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}
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#ifdef LIBGOMP_USE_PTHREADS
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void
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gomp_init_thread_affinity (pthread_attr_t *attr, unsigned int place)
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{
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(void) attr;
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(void) place;
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}
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#endif
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void **
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gomp_affinity_alloc (unsigned long count, bool quiet)
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{
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(void) count;
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if (!quiet)
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gomp_error ("Affinity not supported on this configuration");
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return NULL;
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}
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void
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gomp_affinity_init_place (void *p)
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{
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(void) p;
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}
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bool
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gomp_affinity_add_cpus (void *p, unsigned long num,
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unsigned long len, long stride, bool quiet)
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{
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(void) p;
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(void) num;
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(void) len;
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(void) stride;
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(void) quiet;
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return false;
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}
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bool
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gomp_affinity_remove_cpu (void *p, unsigned long num)
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{
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(void) p;
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(void) num;
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return false;
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}
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bool
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gomp_affinity_copy_place (void *p, void *q, long stride)
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{
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(void) p;
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(void) q;
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(void) stride;
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return false;
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}
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bool
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gomp_affinity_same_place (void *p, void *q)
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{
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(void) p;
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(void) q;
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return false;
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}
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bool
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gomp_affinity_finalize_place_list (bool quiet)
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{
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(void) quiet;
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return false;
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}
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bool
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gomp_affinity_init_level (int level, unsigned long count, bool quiet)
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{
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(void) level;
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(void) count;
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(void) quiet;
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if (!quiet)
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gomp_error ("Affinity not supported on this configuration");
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return NULL;
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}
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void
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gomp_affinity_print_place (void *p)
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{
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(void) p;
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}
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int
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omp_get_place_num_procs (int place_num)
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{
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(void) place_num;
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return 0;
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}
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void
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omp_get_place_proc_ids (int place_num, int *ids)
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{
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(void) place_num;
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(void) ids;
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}
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void
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gomp_get_place_proc_ids_8 (int place_num, int64_t *ids)
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{
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(void) place_num;
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(void) ids;
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}
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void
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gomp_display_affinity_place (char *buffer, size_t size, size_t *ret,
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int place)
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{
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char buf[sizeof (long) * 3 + 4];
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if (gomp_available_cpus > 1)
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sprintf (buf, "0-%lu", gomp_available_cpus - 1);
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else
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strcpy (buf, "0");
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gomp_display_string (buffer, size, ret, buf, strlen (buf));
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}
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ialias(omp_get_place_num_procs)
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ialias(omp_get_place_proc_ids)
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