| /* 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) |