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1 /* Copyright (C) 2005-2020 Free Software Foundation, Inc.
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2 Contributed by Richard Henderson <rth@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 #ifndef _OMP_H
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27 #define _OMP_H 1
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28
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29 #ifndef _LIBGOMP_OMP_LOCK_DEFINED
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30 #define _LIBGOMP_OMP_LOCK_DEFINED 1
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31 /* These two structures get edited by the libgomp build process to
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32 reflect the shape of the two types. Their internals are private
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33 to the library. */
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34
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35 typedef struct
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36 {
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37 unsigned char _x[@OMP_LOCK_SIZE@]
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38 __attribute__((__aligned__(@OMP_LOCK_ALIGN@)));
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39 } omp_lock_t;
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40
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41 typedef struct
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42 {
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43 unsigned char _x[@OMP_NEST_LOCK_SIZE@]
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44 __attribute__((__aligned__(@OMP_NEST_LOCK_ALIGN@)));
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45 } omp_nest_lock_t;
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46 #endif
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47
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48 typedef enum omp_sched_t
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49 {
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50 omp_sched_static = 1,
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51 omp_sched_dynamic = 2,
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52 omp_sched_guided = 3,
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53 omp_sched_auto = 4,
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54 omp_sched_monotonic = 0x80000000U
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55 } omp_sched_t;
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56
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57 typedef enum omp_proc_bind_t
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58 {
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59 omp_proc_bind_false = 0,
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60 omp_proc_bind_true = 1,
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61 omp_proc_bind_master = 2,
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62 omp_proc_bind_close = 3,
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63 omp_proc_bind_spread = 4
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64 } omp_proc_bind_t;
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65
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66 typedef enum omp_sync_hint_t
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67 {
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68 omp_sync_hint_none = 0,
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69 omp_lock_hint_none = omp_sync_hint_none,
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70 omp_sync_hint_uncontended = 1,
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71 omp_lock_hint_uncontended = omp_sync_hint_uncontended,
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72 omp_sync_hint_contended = 2,
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73 omp_lock_hint_contended = omp_sync_hint_contended,
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74 omp_sync_hint_nonspeculative = 4,
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75 omp_lock_hint_nonspeculative = omp_sync_hint_nonspeculative,
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76 omp_sync_hint_speculative = 8,
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77 omp_lock_hint_speculative = omp_sync_hint_speculative
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78 } omp_sync_hint_t;
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79
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80 typedef omp_sync_hint_t omp_lock_hint_t;
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81
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82 typedef struct __attribute__((__aligned__ (sizeof (void *)))) omp_depend_t
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83 {
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84 char __omp_depend_t__[2 * sizeof (void *)];
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85 } omp_depend_t;
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86
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87 typedef enum omp_pause_resource_t
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88 {
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89 omp_pause_soft = 1,
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90 omp_pause_hard = 2
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91 } omp_pause_resource_t;
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92
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93 #ifdef __cplusplus
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94 extern "C" {
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95 # define __GOMP_NOTHROW throw ()
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96 #else
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97 # define __GOMP_NOTHROW __attribute__((__nothrow__))
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98 #endif
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99
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100 extern void omp_set_num_threads (int) __GOMP_NOTHROW;
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101 extern int omp_get_num_threads (void) __GOMP_NOTHROW;
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102 extern int omp_get_max_threads (void) __GOMP_NOTHROW;
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103 extern int omp_get_thread_num (void) __GOMP_NOTHROW;
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104 extern int omp_get_num_procs (void) __GOMP_NOTHROW;
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105
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106 extern int omp_in_parallel (void) __GOMP_NOTHROW;
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107
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108 extern void omp_set_dynamic (int) __GOMP_NOTHROW;
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109 extern int omp_get_dynamic (void) __GOMP_NOTHROW;
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110
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111 extern void omp_set_nested (int) __GOMP_NOTHROW;
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112 extern int omp_get_nested (void) __GOMP_NOTHROW;
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113
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114 extern void omp_init_lock (omp_lock_t *) __GOMP_NOTHROW;
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115 extern void omp_init_lock_with_hint (omp_lock_t *, omp_sync_hint_t)
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116 __GOMP_NOTHROW;
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117 extern void omp_destroy_lock (omp_lock_t *) __GOMP_NOTHROW;
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118 extern void omp_set_lock (omp_lock_t *) __GOMP_NOTHROW;
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119 extern void omp_unset_lock (omp_lock_t *) __GOMP_NOTHROW;
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120 extern int omp_test_lock (omp_lock_t *) __GOMP_NOTHROW;
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121
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122 extern void omp_init_nest_lock (omp_nest_lock_t *) __GOMP_NOTHROW;
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123 extern void omp_init_nest_lock_with_hint (omp_nest_lock_t *, omp_sync_hint_t)
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124 __GOMP_NOTHROW;
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125 extern void omp_destroy_nest_lock (omp_nest_lock_t *) __GOMP_NOTHROW;
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126 extern void omp_set_nest_lock (omp_nest_lock_t *) __GOMP_NOTHROW;
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127 extern void omp_unset_nest_lock (omp_nest_lock_t *) __GOMP_NOTHROW;
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128 extern int omp_test_nest_lock (omp_nest_lock_t *) __GOMP_NOTHROW;
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129
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130 extern double omp_get_wtime (void) __GOMP_NOTHROW;
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131 extern double omp_get_wtick (void) __GOMP_NOTHROW;
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132
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133 extern void omp_set_schedule (omp_sched_t, int) __GOMP_NOTHROW;
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134 extern void omp_get_schedule (omp_sched_t *, int *) __GOMP_NOTHROW;
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135 extern int omp_get_thread_limit (void) __GOMP_NOTHROW;
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136 extern void omp_set_max_active_levels (int) __GOMP_NOTHROW;
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137 extern int omp_get_max_active_levels (void) __GOMP_NOTHROW;
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138 extern int omp_get_level (void) __GOMP_NOTHROW;
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139 extern int omp_get_ancestor_thread_num (int) __GOMP_NOTHROW;
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140 extern int omp_get_team_size (int) __GOMP_NOTHROW;
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141 extern int omp_get_active_level (void) __GOMP_NOTHROW;
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142
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143 extern int omp_in_final (void) __GOMP_NOTHROW;
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144
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145 extern int omp_get_cancellation (void) __GOMP_NOTHROW;
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146 extern omp_proc_bind_t omp_get_proc_bind (void) __GOMP_NOTHROW;
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147 extern int omp_get_num_places (void) __GOMP_NOTHROW;
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148 extern int omp_get_place_num_procs (int) __GOMP_NOTHROW;
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149 extern void omp_get_place_proc_ids (int, int *) __GOMP_NOTHROW;
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150 extern int omp_get_place_num (void) __GOMP_NOTHROW;
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151 extern int omp_get_partition_num_places (void) __GOMP_NOTHROW;
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152 extern void omp_get_partition_place_nums (int *) __GOMP_NOTHROW;
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153
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154 extern void omp_set_default_device (int) __GOMP_NOTHROW;
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155 extern int omp_get_default_device (void) __GOMP_NOTHROW;
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156 extern int omp_get_num_devices (void) __GOMP_NOTHROW;
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157 extern int omp_get_num_teams (void) __GOMP_NOTHROW;
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158 extern int omp_get_team_num (void) __GOMP_NOTHROW;
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159
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160 extern int omp_is_initial_device (void) __GOMP_NOTHROW;
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161 extern int omp_get_initial_device (void) __GOMP_NOTHROW;
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162 extern int omp_get_max_task_priority (void) __GOMP_NOTHROW;
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163
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164 extern void *omp_target_alloc (__SIZE_TYPE__, int) __GOMP_NOTHROW;
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165 extern void omp_target_free (void *, int) __GOMP_NOTHROW;
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166 extern int omp_target_is_present (const void *, int) __GOMP_NOTHROW;
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167 extern int omp_target_memcpy (void *, const void *, __SIZE_TYPE__,
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168 __SIZE_TYPE__, __SIZE_TYPE__, int, int)
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169 __GOMP_NOTHROW;
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170 extern int omp_target_memcpy_rect (void *, const void *, __SIZE_TYPE__, int,
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171 const __SIZE_TYPE__ *,
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172 const __SIZE_TYPE__ *,
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173 const __SIZE_TYPE__ *,
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174 const __SIZE_TYPE__ *,
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175 const __SIZE_TYPE__ *, int, int)
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176 __GOMP_NOTHROW;
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177 extern int omp_target_associate_ptr (const void *, const void *, __SIZE_TYPE__,
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178 __SIZE_TYPE__, int) __GOMP_NOTHROW;
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179 extern int omp_target_disassociate_ptr (const void *, int) __GOMP_NOTHROW;
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180
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181 extern void omp_set_affinity_format (const char *) __GOMP_NOTHROW;
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182 extern __SIZE_TYPE__ omp_get_affinity_format (char *, __SIZE_TYPE__)
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183 __GOMP_NOTHROW;
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184 extern void omp_display_affinity (const char *) __GOMP_NOTHROW;
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185 extern __SIZE_TYPE__ omp_capture_affinity (char *, __SIZE_TYPE__, const char *)
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186 __GOMP_NOTHROW;
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187
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188 extern int omp_pause_resource (omp_pause_resource_t, int) __GOMP_NOTHROW;
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189 extern int omp_pause_resource_all (omp_pause_resource_t) __GOMP_NOTHROW;
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190
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191 #ifdef __cplusplus
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192 }
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193 #endif
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194
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195 #endif /* _OMP_H */
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