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83ffe9cd | 1 | /* Copyright (C) 2006-2023 Free Software Foundation, Inc. |
a0884cf0 JJ |
2 | Contributed by Jakub Jelinek <jakub@redhat.com>. |
3 | ||
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4 | This file is part of the GNU Offloading and Multi Processing Library |
5 | (libgomp). | |
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6 | |
7 | Libgomp is free software; you can redistribute it and/or modify it | |
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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. | |
a0884cf0 JJ |
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 | |
748086b7 | 14 | FOR A PARTICULAR PURPOSE. See the GNU General Public License for |
a0884cf0 JJ |
15 | more details. |
16 | ||
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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/>. */ | |
a0884cf0 JJ |
25 | |
26 | /* This is a generic stub implementation of a CPU affinity setting. */ | |
27 | ||
28 | #include "libgomp.h" | |
2033f45b RO |
29 | #include <string.h> |
30 | #include <stdio.h> | |
a0884cf0 JJ |
31 | |
32 | void | |
33 | gomp_init_affinity (void) | |
34 | { | |
35 | } | |
36 | ||
6103184e | 37 | #ifdef LIBGOMP_USE_PTHREADS |
a0884cf0 | 38 | void |
acf0174b | 39 | gomp_init_thread_affinity (pthread_attr_t *attr, unsigned int place) |
a0884cf0 JJ |
40 | { |
41 | (void) attr; | |
acf0174b JJ |
42 | (void) place; |
43 | } | |
6103184e | 44 | #endif |
acf0174b JJ |
45 | |
46 | void ** | |
47 | gomp_affinity_alloc (unsigned long count, bool quiet) | |
48 | { | |
49 | (void) count; | |
50 | if (!quiet) | |
51 | gomp_error ("Affinity not supported on this configuration"); | |
52 | return NULL; | |
53 | } | |
54 | ||
55 | void | |
56 | gomp_affinity_init_place (void *p) | |
57 | { | |
58 | (void) p; | |
59 | } | |
60 | ||
61 | bool | |
62 | gomp_affinity_add_cpus (void *p, unsigned long num, | |
63 | unsigned long len, long stride, bool quiet) | |
64 | { | |
65 | (void) p; | |
66 | (void) num; | |
67 | (void) len; | |
68 | (void) stride; | |
69 | (void) quiet; | |
70 | return false; | |
71 | } | |
72 | ||
73 | bool | |
74 | gomp_affinity_remove_cpu (void *p, unsigned long num) | |
75 | { | |
76 | (void) p; | |
77 | (void) num; | |
78 | return false; | |
79 | } | |
80 | ||
81 | bool | |
82 | gomp_affinity_copy_place (void *p, void *q, long stride) | |
83 | { | |
84 | (void) p; | |
85 | (void) q; | |
86 | (void) stride; | |
87 | return false; | |
88 | } | |
89 | ||
90 | bool | |
91 | gomp_affinity_same_place (void *p, void *q) | |
92 | { | |
93 | (void) p; | |
94 | (void) q; | |
95 | return false; | |
96 | } | |
97 | ||
98 | bool | |
99 | gomp_affinity_finalize_place_list (bool quiet) | |
100 | { | |
101 | (void) quiet; | |
102 | return false; | |
103 | } | |
104 | ||
105 | bool | |
106 | gomp_affinity_init_level (int level, unsigned long count, bool quiet) | |
107 | { | |
108 | (void) level; | |
109 | (void) count; | |
110 | (void) quiet; | |
111 | if (!quiet) | |
112 | gomp_error ("Affinity not supported on this configuration"); | |
113 | return NULL; | |
114 | } | |
115 | ||
116 | void | |
117 | gomp_affinity_print_place (void *p) | |
118 | { | |
119 | (void) p; | |
a0884cf0 | 120 | } |
d9a6bd32 JJ |
121 | |
122 | int | |
123 | omp_get_place_num_procs (int place_num) | |
124 | { | |
125 | (void) place_num; | |
126 | return 0; | |
127 | } | |
128 | ||
129 | void | |
130 | omp_get_place_proc_ids (int place_num, int *ids) | |
131 | { | |
132 | (void) place_num; | |
133 | (void) ids; | |
134 | } | |
135 | ||
136 | void | |
137 | gomp_get_place_proc_ids_8 (int place_num, int64_t *ids) | |
138 | { | |
139 | (void) place_num; | |
140 | (void) ids; | |
141 | } | |
142 | ||
28567c40 JJ |
143 | void |
144 | gomp_display_affinity_place (char *buffer, size_t size, size_t *ret, | |
145 | int place) | |
146 | { | |
28567c40 JJ |
147 | char buf[sizeof (long) * 3 + 4]; |
148 | if (gomp_available_cpus > 1) | |
149 | sprintf (buf, "0-%lu", gomp_available_cpus - 1); | |
150 | else | |
151 | strcpy (buf, "0"); | |
152 | gomp_display_string (buffer, size, ret, buf, strlen (buf)); | |
153 | } | |
154 | ||
d9a6bd32 JJ |
155 | ialias(omp_get_place_num_procs) |
156 | ialias(omp_get_place_proc_ids) |