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/* Copyright (C) 2006-2022 Free Software Foundation, Inc.
Contributed by Jakub Jelinek <jakub@redhat.com>.
This file is part of the GNU Offloading and Multi Processing 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 generic stub implementation of a CPU affinity setting. */
#include "libgomp.h"
#include <string.h>
#include <stdio.h>
void
gomp_init_affinity (void)
{
}
#ifdef LIBGOMP_USE_PTHREADS
void
gomp_init_thread_affinity (pthread_attr_t *attr, unsigned int place)
{
(void) attr;
(void) place;
}
#endif
void **
gomp_affinity_alloc (unsigned long count, bool quiet)
{
(void) count;
if (!quiet)
gomp_error ("Affinity not supported on this configuration");
return NULL;
}
void
gomp_affinity_init_place (void *p)
{
(void) p;
}
bool
gomp_affinity_add_cpus (void *p, unsigned long num,
unsigned long len, long stride, bool quiet)
{
(void) p;
(void) num;
(void) len;
(void) stride;
(void) quiet;
return false;
}
bool
gomp_affinity_remove_cpu (void *p, unsigned long num)
{
(void) p;
(void) num;
return false;
}
bool
gomp_affinity_copy_place (void *p, void *q, long stride)
{
(void) p;
(void) q;
(void) stride;
return false;
}
bool
gomp_affinity_same_place (void *p, void *q)
{
(void) p;
(void) q;
return false;
}
bool
gomp_affinity_finalize_place_list (bool quiet)
{
(void) quiet;
return false;
}
bool
gomp_affinity_init_level (int level, unsigned long count, bool quiet)
{
(void) level;
(void) count;
(void) quiet;
if (!quiet)
gomp_error ("Affinity not supported on this configuration");
return NULL;
}
void
gomp_affinity_print_place (void *p)
{
(void) p;
}
int
omp_get_place_num_procs (int place_num)
{
(void) place_num;
return 0;
}
void
omp_get_place_proc_ids (int place_num, int *ids)
{
(void) place_num;
(void) ids;
}
void
gomp_get_place_proc_ids_8 (int place_num, int64_t *ids)
{
(void) place_num;
(void) ids;
}
void
gomp_display_affinity_place (char *buffer, size_t size, size_t *ret,
int place)
{
char buf[sizeof (long) * 3 + 4];
if (gomp_available_cpus > 1)
sprintf (buf, "0-%lu", gomp_available_cpus - 1);
else
strcpy (buf, "0");
gomp_display_string (buffer, size, ret, buf, strlen (buf));
}
ialias(omp_get_place_num_procs)
ialias(omp_get_place_proc_ids)
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