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