affinity.c revision 1.1.1.1
1/* Copyright (C) 2006-2017 Free Software Foundation, Inc.
2   Contributed by Jakub Jelinek <jakub@redhat.com>.
3
4   This file is part of the GNU Offloading and Multi Processing Library
5   (libgomp).
6
7   Libgomp is free software; you can redistribute it and/or modify it
8   under the terms of the GNU General Public License as published by
9   the Free Software Foundation; either version 3, or (at your option)
10   any later version.
11
12   Libgomp is distributed in the hope that it will be useful, but WITHOUT ANY
13   WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
14   FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
15   more details.
16
17   Under Section 7 of GPL version 3, you are granted additional
18   permissions described in the GCC Runtime Library Exception, version
19   3.1, as published by the Free Software Foundation.
20
21   You should have received a copy of the GNU General Public License and
22   a copy of the GCC Runtime Library Exception along with this program;
23   see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
24   <http://www.gnu.org/licenses/>.  */
25
26/* This is a generic stub implementation of a CPU affinity setting.  */
27
28#include "libgomp.h"
29
30void
31gomp_init_affinity (void)
32{
33}
34
35#ifdef LIBGOMP_USE_PTHREADS
36void
37gomp_init_thread_affinity (pthread_attr_t *attr, unsigned int place)
38{
39  (void) attr;
40  (void) place;
41}
42#endif
43
44void **
45gomp_affinity_alloc (unsigned long count, bool quiet)
46{
47  (void) count;
48  if (!quiet)
49    gomp_error ("Affinity not supported on this configuration");
50  return NULL;
51}
52
53void
54gomp_affinity_init_place (void *p)
55{
56  (void) p;
57}
58
59bool
60gomp_affinity_add_cpus (void *p, unsigned long num,
61			unsigned long len, long stride, bool quiet)
62{
63  (void) p;
64  (void) num;
65  (void) len;
66  (void) stride;
67  (void) quiet;
68  return false;
69}
70
71bool
72gomp_affinity_remove_cpu (void *p, unsigned long num)
73{
74  (void) p;
75  (void) num;
76  return false;
77}
78
79bool
80gomp_affinity_copy_place (void *p, void *q, long stride)
81{
82  (void) p;
83  (void) q;
84  (void) stride;
85  return false;
86}
87
88bool
89gomp_affinity_same_place (void *p, void *q)
90{
91  (void) p;
92  (void) q;
93  return false;
94}
95
96bool
97gomp_affinity_finalize_place_list (bool quiet)
98{
99  (void) quiet;
100  return false;
101}
102
103bool
104gomp_affinity_init_level (int level, unsigned long count, bool quiet)
105{
106  (void) level;
107  (void) count;
108  (void) quiet;
109  if (!quiet)
110    gomp_error ("Affinity not supported on this configuration");
111  return NULL;
112}
113
114void
115gomp_affinity_print_place (void *p)
116{
117  (void) p;
118}
119
120int
121omp_get_place_num_procs (int place_num)
122{
123  (void) place_num;
124  return 0;
125}
126
127void
128omp_get_place_proc_ids (int place_num, int *ids)
129{
130  (void) place_num;
131  (void) ids;
132}
133
134void
135gomp_get_place_proc_ids_8 (int place_num, int64_t *ids)
136{
137  (void) place_num;
138  (void) ids;
139}
140
141ialias(omp_get_place_num_procs)
142ialias(omp_get_place_proc_ids)
143