1 | /* |
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2 | * Copyright (c) 2013 embedded brains GmbH. All rights reserved. |
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3 | * |
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4 | * embedded brains GmbH |
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5 | * Dornierstr. 4 |
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6 | * 82178 Puchheim |
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7 | * Germany |
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8 | * <rtems@embedded-brains.de> |
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9 | * |
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10 | * The license and distribution terms for this file may be |
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11 | * found in the file LICENSE in this distribution or at |
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12 | * http://www.rtems.org/license/LICENSE. |
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13 | */ |
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14 | |
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15 | #ifdef HAVE_CONFIG_H |
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16 | #include "config.h" |
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17 | #endif |
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18 | |
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19 | #include "tmacros.h" |
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20 | |
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21 | #include <pthread.h> |
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22 | #include <signal.h> |
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23 | |
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24 | const char rtems_test_name[] = "SMPPSXSIGNAL 1"; |
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25 | |
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26 | #define TEST_SIGNAL SIGUSR1 |
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27 | |
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28 | typedef enum { |
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29 | SIG_READY, |
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30 | SIG_SENT, |
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31 | SIG_PROCESSED |
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32 | } test_state; |
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33 | |
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34 | typedef struct { |
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35 | test_state state; |
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36 | pthread_t consumer; |
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37 | pthread_t producer; |
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38 | uint32_t consumer_processor; |
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39 | uint32_t producer_processor; |
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40 | } test_context; |
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41 | |
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42 | static void change_state(test_context *ctx, test_state new_state) |
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43 | { |
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44 | ctx->state = new_state; |
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45 | _CPU_SMP_Processor_event_broadcast(); |
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46 | } |
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47 | |
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48 | static void wait_for_state(const test_context *ctx, test_state desired_state) |
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49 | { |
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50 | while ( ctx->state != desired_state ) { |
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51 | _CPU_SMP_Processor_event_receive(); |
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52 | } |
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53 | } |
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54 | |
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55 | static test_context ctx_instance = { |
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56 | .state = SIG_READY |
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57 | }; |
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58 | |
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59 | static void signal_handler(int signum) |
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60 | { |
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61 | test_context *ctx = &ctx_instance; |
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62 | |
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63 | switch (ctx->state) { |
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64 | case SIG_SENT: |
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65 | change_state(ctx, SIG_PROCESSED); |
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66 | break; |
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67 | default: |
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68 | rtems_test_assert(0); |
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69 | } |
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70 | } |
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71 | |
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72 | static void signal_send(test_context *ctx, test_state new_state) |
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73 | { |
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74 | int eno; |
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75 | |
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76 | eno = pthread_kill(ctx->consumer, TEST_SIGNAL); |
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77 | rtems_test_assert(eno == 0); |
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78 | |
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79 | change_state(ctx, new_state); |
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80 | } |
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81 | |
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82 | static void check_consumer_processor(const test_context *ctx) |
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83 | { |
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84 | rtems_test_assert( |
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85 | ctx->consumer_processor == rtems_get_current_processor() |
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86 | ); |
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87 | } |
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88 | |
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89 | static void check_producer_processor(const test_context *ctx) |
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90 | { |
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91 | rtems_test_assert( |
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92 | ctx->producer_processor == rtems_get_current_processor() |
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93 | ); |
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94 | } |
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95 | |
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96 | static void *producer(void *arg) |
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97 | { |
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98 | test_context *ctx = arg; |
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99 | |
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100 | ctx->producer_processor = rtems_get_current_processor(); |
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101 | |
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102 | rtems_test_assert(ctx->consumer_processor != ctx->producer_processor); |
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103 | |
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104 | wait_for_state(ctx, SIG_READY); |
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105 | signal_send(ctx, SIG_SENT); |
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106 | |
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107 | check_producer_processor(ctx); |
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108 | |
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109 | return ctx; |
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110 | } |
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111 | |
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112 | static void test(void) |
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113 | { |
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114 | test_context *ctx = &ctx_instance; |
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115 | struct sigaction new_action; |
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116 | sigset_t test_signal_set; |
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117 | int rv; |
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118 | pthread_attr_t attr; |
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119 | int eno; |
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120 | void *producer_status; |
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121 | |
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122 | ctx->consumer = pthread_self(); |
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123 | ctx->consumer_processor = rtems_get_current_processor(); |
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124 | |
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125 | memset(&new_action, 0, sizeof(new_action)); |
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126 | new_action.sa_handler = signal_handler; |
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127 | |
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128 | rv = sigaction(TEST_SIGNAL, &new_action, NULL); |
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129 | rtems_test_assert(rv == 0); |
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130 | |
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131 | rv = sigemptyset(&test_signal_set); |
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132 | rtems_test_assert(rv == 0); |
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133 | |
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134 | rv = sigaddset(&test_signal_set, TEST_SIGNAL); |
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135 | rtems_test_assert(rv == 0); |
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136 | |
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137 | eno = pthread_sigmask(SIG_UNBLOCK, &test_signal_set, NULL); |
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138 | rtems_test_assert(eno == 0); |
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139 | |
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140 | eno = pthread_attr_init(&attr); |
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141 | rtems_test_assert(eno == 0); |
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142 | |
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143 | eno = pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_JOINABLE); |
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144 | rtems_test_assert(eno == 0); |
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145 | |
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146 | eno = pthread_create(&ctx->producer, &attr, producer, ctx); |
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147 | rtems_test_assert(eno == 0); |
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148 | |
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149 | eno = pthread_attr_destroy(&attr); |
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150 | rtems_test_assert(eno == 0); |
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151 | |
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152 | check_consumer_processor(ctx); |
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153 | |
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154 | wait_for_state(ctx, SIG_PROCESSED); |
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155 | |
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156 | check_consumer_processor(ctx); |
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157 | |
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158 | producer_status = NULL; |
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159 | pthread_join(ctx->producer, &producer_status); |
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160 | rtems_test_assert(eno == 0); |
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161 | rtems_test_assert(producer_status == ctx); |
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162 | } |
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163 | |
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164 | static void *POSIX_Init(void *arg) |
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165 | { |
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166 | TEST_BEGIN(); |
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167 | |
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168 | if (rtems_get_processor_count() >= 2) { |
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169 | test(); |
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170 | } |
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171 | |
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172 | TEST_END(); |
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173 | rtems_test_exit(0); |
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174 | } |
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175 | |
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176 | #define CONFIGURE_APPLICATION_NEEDS_CLOCK_DRIVER |
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177 | #define CONFIGURE_APPLICATION_NEEDS_CONSOLE_DRIVER |
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178 | |
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179 | #define CONFIGURE_MAXIMUM_PROCESSORS 2 |
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180 | |
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181 | #define CONFIGURE_INITIAL_EXTENSIONS RTEMS_TEST_INITIAL_EXTENSION |
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182 | |
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183 | #define CONFIGURE_MAXIMUM_POSIX_THREADS 2 |
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184 | |
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185 | #define CONFIGURE_POSIX_INIT_THREAD_TABLE |
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186 | |
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187 | #define CONFIGURE_INIT |
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188 | |
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189 | #include <rtems/confdefs.h> |
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