PR target/85984
[official-gcc.git] / libgomp / affinity.c
blob3f98e56c0029f30793432a9dfe93ee5c70f9950f
1 /* Copyright (C) 2006-2018 Free Software Foundation, Inc.
2 Contributed by Jakub Jelinek <jakub@redhat.com>.
4 This file is part of the GNU Offloading and Multi Processing Library
5 (libgomp).
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.
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.
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.
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/>. */
26 /* This is a generic stub implementation of a CPU affinity setting. */
28 #include "libgomp.h"
30 void
31 gomp_init_affinity (void)
35 #ifdef LIBGOMP_USE_PTHREADS
36 void
37 gomp_init_thread_affinity (pthread_attr_t *attr, unsigned int place)
39 (void) attr;
40 (void) place;
42 #endif
44 void **
45 gomp_affinity_alloc (unsigned long count, bool quiet)
47 (void) count;
48 if (!quiet)
49 gomp_error ("Affinity not supported on this configuration");
50 return NULL;
53 void
54 gomp_affinity_init_place (void *p)
56 (void) p;
59 bool
60 gomp_affinity_add_cpus (void *p, unsigned long num,
61 unsigned long len, long stride, bool quiet)
63 (void) p;
64 (void) num;
65 (void) len;
66 (void) stride;
67 (void) quiet;
68 return false;
71 bool
72 gomp_affinity_remove_cpu (void *p, unsigned long num)
74 (void) p;
75 (void) num;
76 return false;
79 bool
80 gomp_affinity_copy_place (void *p, void *q, long stride)
82 (void) p;
83 (void) q;
84 (void) stride;
85 return false;
88 bool
89 gomp_affinity_same_place (void *p, void *q)
91 (void) p;
92 (void) q;
93 return false;
96 bool
97 gomp_affinity_finalize_place_list (bool quiet)
99 (void) quiet;
100 return false;
103 bool
104 gomp_affinity_init_level (int level, unsigned long count, bool quiet)
106 (void) level;
107 (void) count;
108 (void) quiet;
109 if (!quiet)
110 gomp_error ("Affinity not supported on this configuration");
111 return NULL;
114 void
115 gomp_affinity_print_place (void *p)
117 (void) p;
121 omp_get_place_num_procs (int place_num)
123 (void) place_num;
124 return 0;
127 void
128 omp_get_place_proc_ids (int place_num, int *ids)
130 (void) place_num;
131 (void) ids;
134 void
135 gomp_get_place_proc_ids_8 (int place_num, int64_t *ids)
137 (void) place_num;
138 (void) ids;
141 ialias(omp_get_place_num_procs)
142 ialias(omp_get_place_proc_ids)