1 | /* |
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2 | * Copyright (c) 2015, 2016 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 <threads.h> |
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20 | #include <setjmp.h> |
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21 | |
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22 | #include <rtems.h> |
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23 | #include <rtems/libcsupport.h> |
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24 | |
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25 | #ifdef RTEMS_POSIX_API |
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26 | #include <errno.h> |
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27 | #include <pthread.h> |
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28 | #endif |
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29 | |
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30 | #include "tmacros.h" |
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31 | |
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32 | const char rtems_test_name[] = "SPMUTEX 1"; |
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33 | |
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34 | #define TASK_COUNT 5 |
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35 | |
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36 | #define MTX_COUNT 3 |
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37 | |
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38 | typedef enum { |
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39 | REQ_WAKE_UP_MASTER = RTEMS_EVENT_0, |
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40 | REQ_WAKE_UP_HELPER = RTEMS_EVENT_1, |
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41 | REQ_MTX_0_OBTAIN = RTEMS_EVENT_2, |
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42 | REQ_MTX_0_RELEASE = RTEMS_EVENT_3, |
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43 | REQ_MTX_1_OBTAIN = RTEMS_EVENT_4, |
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44 | REQ_MTX_1_OBTAIN_TIMEOUT = RTEMS_EVENT_5, |
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45 | REQ_MTX_1_RELEASE = RTEMS_EVENT_6, |
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46 | REQ_MTX_2_OBTAIN = RTEMS_EVENT_7, |
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47 | REQ_MTX_2_RELEASE = RTEMS_EVENT_8, |
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48 | REQ_MTX_C11_OBTAIN = RTEMS_EVENT_9, |
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49 | REQ_MTX_C11_RELEASE = RTEMS_EVENT_10, |
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50 | REQ_MTX_POSIX_OBTAIN = RTEMS_EVENT_11, |
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51 | REQ_MTX_POSIX_RELEASE = RTEMS_EVENT_12 |
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52 | } request_id; |
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53 | |
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54 | typedef enum { |
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55 | M, |
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56 | A_1, |
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57 | A_2_0, |
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58 | A_2_1, |
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59 | H, |
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60 | NONE |
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61 | } task_id; |
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62 | |
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63 | typedef enum { |
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64 | MTX_0, |
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65 | MTX_1, |
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66 | MTX_2 |
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67 | } mutex_id; |
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68 | |
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69 | typedef struct { |
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70 | rtems_id mtx[MTX_COUNT]; |
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71 | mtx_t mtx_c11; |
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72 | #ifdef RTEMS_POSIX_API |
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73 | pthread_mutex_t mtx_posix; |
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74 | #endif |
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75 | rtems_id tasks[TASK_COUNT]; |
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76 | int generation[TASK_COUNT]; |
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77 | int expected_generation[TASK_COUNT]; |
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78 | jmp_buf deadlock_return_context; |
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79 | } test_context; |
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80 | |
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81 | static test_context test_instance; |
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82 | |
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83 | static void start_task( |
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84 | test_context *ctx, |
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85 | task_id id, |
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86 | rtems_task_entry entry, |
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87 | rtems_task_priority prio |
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88 | ) |
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89 | { |
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90 | rtems_status_code sc; |
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91 | |
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92 | sc = rtems_task_create( |
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93 | rtems_build_name('T', 'A', 'S', 'K'), |
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94 | prio, |
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95 | RTEMS_MINIMUM_STACK_SIZE, |
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96 | RTEMS_DEFAULT_MODES, |
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97 | RTEMS_DEFAULT_ATTRIBUTES, |
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98 | &ctx->tasks[id] |
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99 | ); |
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100 | rtems_test_assert(sc == RTEMS_SUCCESSFUL); |
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101 | |
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102 | sc = rtems_task_start(ctx->tasks[id], entry, id); |
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103 | rtems_test_assert(sc == RTEMS_SUCCESSFUL); |
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104 | } |
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105 | |
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106 | static void send_event(test_context *ctx, task_id id, rtems_event_set events) |
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107 | { |
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108 | rtems_status_code sc; |
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109 | |
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110 | sc = rtems_event_send(ctx->tasks[id], events); |
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111 | rtems_test_assert(sc == RTEMS_SUCCESSFUL); |
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112 | } |
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113 | |
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114 | static void wait(void) |
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115 | { |
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116 | rtems_status_code sc; |
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117 | |
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118 | sc = rtems_task_wake_after(4); |
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119 | rtems_test_assert(sc == RTEMS_SUCCESSFUL); |
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120 | } |
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121 | |
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122 | static rtems_event_set wait_for_events(void) |
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123 | { |
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124 | rtems_event_set events; |
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125 | rtems_status_code sc; |
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126 | |
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127 | sc = rtems_event_receive( |
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128 | RTEMS_ALL_EVENTS, |
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129 | RTEMS_EVENT_ANY | RTEMS_WAIT, |
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130 | RTEMS_NO_TIMEOUT, |
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131 | &events |
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132 | ); |
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133 | rtems_test_assert(sc == RTEMS_SUCCESSFUL); |
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134 | |
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135 | return events; |
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136 | } |
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137 | |
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138 | static void sync_with_helper(test_context *ctx) |
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139 | { |
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140 | rtems_event_set events; |
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141 | |
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142 | send_event(ctx, H, REQ_WAKE_UP_HELPER); |
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143 | events = wait_for_events(); |
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144 | rtems_test_assert(events == REQ_WAKE_UP_MASTER); |
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145 | } |
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146 | |
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147 | static void request(test_context *ctx, task_id id, request_id req) |
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148 | { |
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149 | send_event(ctx, id, req); |
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150 | sync_with_helper(ctx); |
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151 | } |
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152 | |
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153 | static void obtain_timeout(test_context *ctx, mutex_id id) |
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154 | { |
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155 | rtems_status_code sc; |
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156 | |
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157 | sc = rtems_semaphore_obtain(ctx->mtx[id], RTEMS_WAIT, 2); |
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158 | rtems_test_assert(sc == RTEMS_TIMEOUT); |
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159 | } |
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160 | |
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161 | static void obtain(test_context *ctx, mutex_id id) |
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162 | { |
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163 | rtems_status_code sc; |
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164 | |
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165 | sc = rtems_semaphore_obtain(ctx->mtx[id], RTEMS_WAIT, RTEMS_NO_TIMEOUT); |
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166 | rtems_test_assert(sc == RTEMS_SUCCESSFUL); |
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167 | } |
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168 | |
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169 | static void deadlock_obtain(test_context *ctx, mutex_id id) |
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170 | { |
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171 | rtems_status_code sc; |
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172 | |
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173 | sc = rtems_semaphore_obtain(ctx->mtx[id], RTEMS_WAIT, RTEMS_NO_TIMEOUT); |
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174 | rtems_test_assert(sc == RTEMS_INCORRECT_STATE); |
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175 | } |
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176 | |
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177 | static void release(test_context *ctx, mutex_id id) |
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178 | { |
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179 | rtems_status_code sc; |
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180 | |
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181 | sc = rtems_semaphore_release(ctx->mtx[id]); |
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182 | rtems_test_assert(sc == RTEMS_SUCCESSFUL); |
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183 | } |
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184 | |
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185 | static void obtain_c11(test_context *ctx) |
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186 | { |
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187 | int status; |
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188 | |
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189 | status = mtx_lock(&ctx->mtx_c11); |
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190 | rtems_test_assert(status == thrd_success); |
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191 | } |
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192 | |
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193 | static void deadlock_obtain_c11(test_context *ctx) |
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194 | { |
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195 | if (setjmp(ctx->deadlock_return_context) == 0) { |
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196 | (void) mtx_lock(&ctx->mtx_c11); |
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197 | } |
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198 | } |
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199 | |
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200 | static void release_c11(test_context *ctx) |
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201 | { |
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202 | int status; |
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203 | |
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204 | status = mtx_unlock(&ctx->mtx_c11); |
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205 | rtems_test_assert(status == thrd_success); |
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206 | } |
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207 | |
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208 | #ifdef RTEMS_POSIX_API |
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209 | static void obtain_posix(test_context *ctx) |
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210 | { |
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211 | int error; |
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212 | |
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213 | error = pthread_mutex_lock(&ctx->mtx_posix); |
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214 | rtems_test_assert(error == 0); |
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215 | } |
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216 | |
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217 | static void deadlock_obtain_posix(test_context *ctx) |
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218 | { |
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219 | int error; |
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220 | |
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221 | error = pthread_mutex_lock(&ctx->mtx_posix); |
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222 | rtems_test_assert(error == EDEADLK); |
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223 | } |
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224 | |
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225 | static void release_posix(test_context *ctx) |
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226 | { |
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227 | int error; |
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228 | |
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229 | error = pthread_mutex_unlock(&ctx->mtx_posix); |
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230 | rtems_test_assert(error == 0); |
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231 | } |
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232 | #endif |
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233 | |
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234 | static void check_generations(test_context *ctx, task_id a, task_id b) |
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235 | { |
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236 | size_t i; |
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237 | |
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238 | if (a != NONE) { |
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239 | ++ctx->expected_generation[a]; |
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240 | } |
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241 | |
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242 | if (b != NONE) { |
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243 | ++ctx->expected_generation[b]; |
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244 | } |
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245 | |
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246 | for (i = 0; i < TASK_COUNT; ++i) { |
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247 | rtems_test_assert(ctx->generation[i] == ctx->expected_generation[i]); |
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248 | } |
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249 | } |
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250 | |
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251 | static void assert_prio( |
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252 | test_context *ctx, |
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253 | task_id id, |
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254 | rtems_task_priority expected |
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255 | ) |
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256 | { |
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257 | rtems_task_priority actual; |
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258 | rtems_status_code sc; |
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259 | |
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260 | sc = rtems_task_set_priority( |
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261 | ctx->tasks[id], |
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262 | RTEMS_CURRENT_PRIORITY, |
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263 | &actual |
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264 | ); |
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265 | rtems_test_assert(sc == RTEMS_SUCCESSFUL); |
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266 | rtems_test_assert(expected == actual); |
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267 | } |
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268 | |
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269 | static void change_prio( |
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270 | test_context *ctx, |
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271 | task_id id, |
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272 | rtems_task_priority prio |
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273 | ) |
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274 | { |
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275 | rtems_status_code sc; |
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276 | |
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277 | sc = rtems_task_set_priority( |
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278 | ctx->tasks[id], |
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279 | prio, |
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280 | &prio |
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281 | ); |
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282 | rtems_test_assert(sc == RTEMS_SUCCESSFUL); |
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283 | } |
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284 | |
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285 | static void helper(rtems_task_argument arg) |
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286 | { |
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287 | test_context *ctx = &test_instance; |
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288 | |
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289 | while (true) { |
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290 | rtems_event_set events = wait_for_events(); |
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291 | rtems_test_assert(events == REQ_WAKE_UP_HELPER); |
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292 | send_event(ctx, M, REQ_WAKE_UP_MASTER); |
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293 | } |
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294 | } |
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295 | |
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296 | static void worker(rtems_task_argument arg) |
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297 | { |
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298 | test_context *ctx = &test_instance; |
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299 | task_id id = arg; |
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300 | |
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301 | while (true) { |
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302 | rtems_event_set events = wait_for_events(); |
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303 | |
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304 | if ((events & REQ_MTX_0_OBTAIN) != 0) { |
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305 | obtain(ctx, MTX_0); |
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306 | ++ctx->generation[id]; |
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307 | } |
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308 | |
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309 | if ((events & REQ_MTX_0_RELEASE) != 0) { |
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310 | release(ctx, MTX_0); |
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311 | ++ctx->generation[id]; |
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312 | } |
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313 | |
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314 | if ((events & REQ_MTX_1_OBTAIN) != 0) { |
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315 | obtain(ctx, MTX_1); |
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316 | ++ctx->generation[id]; |
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317 | } |
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318 | |
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319 | if ((events & REQ_MTX_1_OBTAIN_TIMEOUT) != 0) { |
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320 | obtain_timeout(ctx, MTX_1); |
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321 | ++ctx->generation[id]; |
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322 | } |
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323 | |
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324 | if ((events & REQ_MTX_1_RELEASE) != 0) { |
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325 | release(ctx, MTX_1); |
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326 | ++ctx->generation[id]; |
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327 | } |
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328 | |
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329 | if ((events & REQ_MTX_2_OBTAIN) != 0) { |
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330 | obtain(ctx, MTX_2); |
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331 | ++ctx->generation[id]; |
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332 | } |
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333 | |
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334 | if ((events & REQ_MTX_2_RELEASE) != 0) { |
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335 | release(ctx, MTX_2); |
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336 | ++ctx->generation[id]; |
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337 | } |
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338 | |
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339 | if ((events & REQ_MTX_C11_OBTAIN) != 0) { |
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340 | obtain_c11(ctx); |
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341 | ++ctx->generation[id]; |
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342 | } |
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343 | |
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344 | if ((events & REQ_MTX_C11_RELEASE) != 0) { |
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345 | release_c11(ctx); |
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346 | ++ctx->generation[id]; |
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347 | } |
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348 | |
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349 | #ifdef RTEMS_POSIX_API |
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350 | if ((events & REQ_MTX_POSIX_OBTAIN) != 0) { |
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351 | obtain_posix(ctx); |
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352 | ++ctx->generation[id]; |
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353 | } |
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354 | |
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355 | if ((events & REQ_MTX_POSIX_RELEASE) != 0) { |
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356 | release_posix(ctx); |
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357 | ++ctx->generation[id]; |
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358 | } |
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359 | #endif |
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360 | } |
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361 | } |
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362 | |
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363 | static void set_up(test_context *ctx) |
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364 | { |
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365 | rtems_status_code sc; |
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366 | int status; |
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367 | size_t i; |
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368 | |
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369 | ctx->tasks[M] = rtems_task_self(); |
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370 | start_task(ctx, A_1, worker, 1); |
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371 | start_task(ctx, A_2_0, worker, 2); |
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372 | start_task(ctx, A_2_1, worker, 2); |
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373 | start_task(ctx, H, helper, 3); |
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374 | |
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375 | for (i = 0; i < MTX_COUNT; ++i) { |
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376 | sc = rtems_semaphore_create( |
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377 | rtems_build_name(' ', 'M', 'T', 'X'), |
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378 | 1, |
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379 | RTEMS_BINARY_SEMAPHORE | RTEMS_PRIORITY | RTEMS_INHERIT_PRIORITY, |
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380 | 0, |
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381 | &ctx->mtx[i] |
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382 | ); |
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383 | rtems_test_assert(sc == RTEMS_SUCCESSFUL); |
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384 | } |
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385 | |
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386 | status = mtx_init(&ctx->mtx_c11, mtx_plain); |
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387 | rtems_test_assert(status == thrd_success); |
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388 | |
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389 | #ifdef RTEMS_POSIX_API |
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390 | { |
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391 | int error; |
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392 | pthread_mutexattr_t attr; |
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393 | |
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394 | error = pthread_mutexattr_init(&attr); |
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395 | rtems_test_assert(error == 0); |
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396 | |
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397 | error = pthread_mutexattr_setprotocol(&attr, PTHREAD_PRIO_INHERIT); |
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398 | rtems_test_assert(error == 0); |
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399 | |
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400 | error = pthread_mutex_init(&ctx->mtx_posix, &attr); |
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401 | rtems_test_assert(error == 0); |
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402 | |
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403 | error = pthread_mutexattr_destroy(&attr); |
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404 | rtems_test_assert(error == 0); |
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405 | } |
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406 | #endif |
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407 | } |
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408 | |
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409 | static void test_inherit(test_context *ctx) |
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410 | { |
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411 | assert_prio(ctx, M, 3); |
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412 | obtain(ctx, MTX_0); |
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413 | request(ctx, A_1, REQ_MTX_0_OBTAIN); |
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414 | check_generations(ctx, NONE, NONE); |
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415 | assert_prio(ctx, M, 1); |
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416 | change_prio(ctx, A_1, 2); |
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417 | assert_prio(ctx, M, 2); |
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418 | change_prio(ctx, A_1, 3); |
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419 | assert_prio(ctx, M, 3); |
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420 | change_prio(ctx, A_1, 4); |
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421 | assert_prio(ctx, M, 3); |
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422 | change_prio(ctx, A_1, 1); |
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423 | assert_prio(ctx, M, 1); |
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424 | release(ctx, MTX_0); |
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425 | check_generations(ctx, A_1, NONE); |
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426 | assert_prio(ctx, M, 3); |
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427 | request(ctx, A_1, REQ_MTX_0_RELEASE); |
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428 | check_generations(ctx, A_1, NONE); |
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429 | } |
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430 | |
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431 | static void test_inherit_fifo_for_equal_priority(test_context *ctx) |
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432 | { |
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433 | assert_prio(ctx, M, 3); |
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434 | obtain(ctx, MTX_0); |
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435 | request(ctx, A_2_0, REQ_MTX_0_OBTAIN); |
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436 | request(ctx, A_1, REQ_MTX_0_OBTAIN); |
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437 | request(ctx, A_2_1, REQ_MTX_0_OBTAIN); |
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438 | check_generations(ctx, NONE, NONE); |
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439 | assert_prio(ctx, M, 1); |
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440 | release(ctx, MTX_0); |
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441 | check_generations(ctx, A_1, NONE); |
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442 | assert_prio(ctx, M, 3); |
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443 | assert_prio(ctx, A_1, 1); |
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444 | request(ctx, A_1, REQ_MTX_0_RELEASE); |
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445 | check_generations(ctx, A_1, A_2_0); |
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446 | request(ctx, A_2_0, REQ_MTX_0_RELEASE); |
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447 | check_generations(ctx, A_2_0, A_2_1); |
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448 | request(ctx, A_2_1, REQ_MTX_0_RELEASE); |
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449 | check_generations(ctx, A_2_1, NONE); |
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450 | } |
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451 | |
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452 | static void test_inherit_nested_vertical(test_context *ctx) |
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453 | { |
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454 | assert_prio(ctx, M, 3); |
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455 | obtain(ctx, MTX_0); |
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456 | obtain(ctx, MTX_1); |
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457 | request(ctx, A_1, REQ_MTX_1_OBTAIN); |
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458 | check_generations(ctx, NONE, NONE); |
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459 | assert_prio(ctx, M, 1); |
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460 | release(ctx, MTX_1); |
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461 | check_generations(ctx, A_1, NONE); |
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462 | assert_prio(ctx, M, 3); |
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463 | request(ctx, A_1, REQ_MTX_1_RELEASE); |
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464 | check_generations(ctx, A_1, NONE); |
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465 | release(ctx, MTX_0); |
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466 | } |
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467 | |
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468 | static void test_inherit_nested_vertical_timeout(test_context *ctx) |
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469 | { |
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470 | assert_prio(ctx, M, 3); |
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471 | obtain(ctx, MTX_0); |
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472 | obtain(ctx, MTX_1); |
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473 | request(ctx, A_1, REQ_MTX_1_OBTAIN_TIMEOUT); |
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474 | check_generations(ctx, NONE, NONE); |
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475 | assert_prio(ctx, M, 1); |
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476 | wait(); |
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477 | check_generations(ctx, A_1, NONE); |
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478 | assert_prio(ctx, M, 3); |
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479 | release(ctx, MTX_1); |
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480 | release(ctx, MTX_0); |
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481 | } |
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482 | |
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483 | static void test_inherit_nested_horizontal(test_context *ctx) |
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484 | { |
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485 | assert_prio(ctx, M, 3); |
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486 | obtain(ctx, MTX_0); |
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487 | request(ctx, A_2_0, REQ_MTX_1_OBTAIN); |
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488 | check_generations(ctx, A_2_0, NONE); |
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489 | request(ctx, A_2_0, REQ_MTX_0_OBTAIN); |
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490 | check_generations(ctx, NONE, NONE); |
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491 | assert_prio(ctx, M, 2); |
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492 | request(ctx, A_1, REQ_MTX_1_OBTAIN_TIMEOUT); |
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493 | check_generations(ctx, NONE, NONE); |
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494 | assert_prio(ctx, A_2_0, 1); |
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495 | assert_prio(ctx, M, 1); |
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496 | wait(); |
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497 | check_generations(ctx, A_1, NONE); |
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498 | assert_prio(ctx, A_2_0, 2); |
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499 | assert_prio(ctx, M, 2); |
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500 | request(ctx, A_1, REQ_MTX_1_OBTAIN); |
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501 | check_generations(ctx, NONE, NONE); |
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502 | assert_prio(ctx, A_2_0, 1); |
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503 | assert_prio(ctx, M, 1); |
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504 | change_prio(ctx, A_1, 2); |
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505 | assert_prio(ctx, M, 2); |
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506 | change_prio(ctx, A_1, 3); |
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507 | assert_prio(ctx, M, 2); |
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508 | change_prio(ctx, A_2_0, 3); |
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509 | assert_prio(ctx, M, 3); |
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510 | change_prio(ctx, A_2_0, 2); |
---|
511 | assert_prio(ctx, M, 2); |
---|
512 | change_prio(ctx, A_1, 1); |
---|
513 | assert_prio(ctx, M, 1); |
---|
514 | release(ctx, MTX_0); |
---|
515 | check_generations(ctx, A_2_0, NONE); |
---|
516 | assert_prio(ctx, A_2_0, 1); |
---|
517 | assert_prio(ctx, M, 3); |
---|
518 | request(ctx, A_2_0, REQ_MTX_0_RELEASE); |
---|
519 | check_generations(ctx, A_2_0, NONE); |
---|
520 | assert_prio(ctx, A_2_0, 1); |
---|
521 | request(ctx, A_2_0, REQ_MTX_1_RELEASE); |
---|
522 | check_generations(ctx, A_1, A_2_0); |
---|
523 | assert_prio(ctx, A_2_0, 2); |
---|
524 | request(ctx, A_1, REQ_MTX_1_RELEASE); |
---|
525 | check_generations(ctx, A_1, NONE); |
---|
526 | } |
---|
527 | |
---|
528 | static void test_deadlock_two_classic(test_context *ctx) |
---|
529 | { |
---|
530 | obtain(ctx, MTX_0); |
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531 | request(ctx, A_1, REQ_MTX_1_OBTAIN); |
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532 | check_generations(ctx, A_1, NONE); |
---|
533 | request(ctx, A_1, REQ_MTX_0_OBTAIN); |
---|
534 | check_generations(ctx, NONE, NONE); |
---|
535 | deadlock_obtain(ctx, MTX_1); |
---|
536 | release(ctx, MTX_0); |
---|
537 | check_generations(ctx, A_1, NONE); |
---|
538 | request(ctx, A_1, REQ_MTX_0_RELEASE); |
---|
539 | check_generations(ctx, A_1, NONE); |
---|
540 | request(ctx, A_1, REQ_MTX_1_RELEASE); |
---|
541 | check_generations(ctx, A_1, NONE); |
---|
542 | } |
---|
543 | |
---|
544 | static void test_deadlock_three_classic(test_context *ctx) |
---|
545 | { |
---|
546 | obtain(ctx, MTX_0); |
---|
547 | request(ctx, A_1, REQ_MTX_1_OBTAIN); |
---|
548 | check_generations(ctx, A_1, NONE); |
---|
549 | request(ctx, A_2_0, REQ_MTX_2_OBTAIN); |
---|
550 | check_generations(ctx, A_2_0, NONE); |
---|
551 | request(ctx, A_2_0, REQ_MTX_1_OBTAIN); |
---|
552 | check_generations(ctx, NONE, NONE); |
---|
553 | request(ctx, A_1, REQ_MTX_0_OBTAIN); |
---|
554 | check_generations(ctx, NONE, NONE); |
---|
555 | deadlock_obtain(ctx, MTX_2); |
---|
556 | release(ctx, MTX_0); |
---|
557 | check_generations(ctx, A_1, NONE); |
---|
558 | request(ctx, A_1, REQ_MTX_0_RELEASE); |
---|
559 | check_generations(ctx, A_1, NONE); |
---|
560 | request(ctx, A_1, REQ_MTX_1_RELEASE); |
---|
561 | check_generations(ctx, A_1, A_2_0); |
---|
562 | request(ctx, A_2_0, REQ_MTX_2_RELEASE); |
---|
563 | check_generations(ctx, A_2_0, NONE); |
---|
564 | request(ctx, A_2_0, REQ_MTX_1_RELEASE); |
---|
565 | check_generations(ctx, A_2_0, NONE); |
---|
566 | } |
---|
567 | |
---|
568 | static void test_deadlock_c11_and_classic(test_context *ctx) |
---|
569 | { |
---|
570 | obtain_c11(ctx); |
---|
571 | request(ctx, A_1, REQ_MTX_0_OBTAIN); |
---|
572 | check_generations(ctx, A_1, NONE); |
---|
573 | request(ctx, A_1, REQ_MTX_C11_OBTAIN); |
---|
574 | check_generations(ctx, NONE, NONE); |
---|
575 | deadlock_obtain(ctx, MTX_0); |
---|
576 | release_c11(ctx); |
---|
577 | check_generations(ctx, A_1, NONE); |
---|
578 | request(ctx, A_1, REQ_MTX_C11_RELEASE); |
---|
579 | check_generations(ctx, A_1, NONE); |
---|
580 | request(ctx, A_1, REQ_MTX_0_RELEASE); |
---|
581 | check_generations(ctx, A_1, NONE); |
---|
582 | } |
---|
583 | |
---|
584 | static void test_deadlock_classic_and_c11(test_context *ctx) |
---|
585 | { |
---|
586 | obtain(ctx, MTX_0); |
---|
587 | request(ctx, A_1, REQ_MTX_C11_OBTAIN); |
---|
588 | check_generations(ctx, A_1, NONE); |
---|
589 | request(ctx, A_1, REQ_MTX_0_OBTAIN); |
---|
590 | check_generations(ctx, NONE, NONE); |
---|
591 | deadlock_obtain_c11(ctx); |
---|
592 | release(ctx, MTX_0); |
---|
593 | check_generations(ctx, A_1, NONE); |
---|
594 | request(ctx, A_1, REQ_MTX_0_RELEASE); |
---|
595 | check_generations(ctx, A_1, NONE); |
---|
596 | request(ctx, A_1, REQ_MTX_C11_RELEASE); |
---|
597 | check_generations(ctx, A_1, NONE); |
---|
598 | } |
---|
599 | |
---|
600 | static void test_deadlock_posix_and_classic(test_context *ctx) |
---|
601 | { |
---|
602 | #ifdef RTEMS_POSIX_API |
---|
603 | obtain_posix(ctx); |
---|
604 | request(ctx, A_1, REQ_MTX_0_OBTAIN); |
---|
605 | check_generations(ctx, A_1, NONE); |
---|
606 | request(ctx, A_1, REQ_MTX_POSIX_OBTAIN); |
---|
607 | check_generations(ctx, NONE, NONE); |
---|
608 | deadlock_obtain(ctx, MTX_0); |
---|
609 | release_posix(ctx); |
---|
610 | check_generations(ctx, A_1, NONE); |
---|
611 | request(ctx, A_1, REQ_MTX_POSIX_RELEASE); |
---|
612 | check_generations(ctx, A_1, NONE); |
---|
613 | request(ctx, A_1, REQ_MTX_0_RELEASE); |
---|
614 | check_generations(ctx, A_1, NONE); |
---|
615 | #endif |
---|
616 | } |
---|
617 | |
---|
618 | static void test_deadlock_classic_and_posix(test_context *ctx) |
---|
619 | { |
---|
620 | #ifdef RTEMS_POSIX_API |
---|
621 | obtain(ctx, MTX_0); |
---|
622 | request(ctx, A_1, REQ_MTX_POSIX_OBTAIN); |
---|
623 | check_generations(ctx, A_1, NONE); |
---|
624 | request(ctx, A_1, REQ_MTX_0_OBTAIN); |
---|
625 | check_generations(ctx, NONE, NONE); |
---|
626 | deadlock_obtain_posix(ctx); |
---|
627 | release(ctx, MTX_0); |
---|
628 | check_generations(ctx, A_1, NONE); |
---|
629 | request(ctx, A_1, REQ_MTX_0_RELEASE); |
---|
630 | check_generations(ctx, A_1, NONE); |
---|
631 | request(ctx, A_1, REQ_MTX_POSIX_RELEASE); |
---|
632 | check_generations(ctx, A_1, NONE); |
---|
633 | #endif |
---|
634 | } |
---|
635 | |
---|
636 | static void tear_down(test_context *ctx) |
---|
637 | { |
---|
638 | rtems_status_code sc; |
---|
639 | size_t i; |
---|
640 | |
---|
641 | for (i = 1; i < TASK_COUNT; ++i) { |
---|
642 | sc = rtems_task_delete(ctx->tasks[i]); |
---|
643 | rtems_test_assert(sc == RTEMS_SUCCESSFUL); |
---|
644 | } |
---|
645 | |
---|
646 | for (i = 0; i < MTX_COUNT; ++i) { |
---|
647 | sc = rtems_semaphore_delete(ctx->mtx[i]); |
---|
648 | rtems_test_assert(sc == RTEMS_SUCCESSFUL); |
---|
649 | } |
---|
650 | |
---|
651 | mtx_destroy(&ctx->mtx_c11); |
---|
652 | |
---|
653 | #ifdef RTEMS_POSIX_API |
---|
654 | { |
---|
655 | int error; |
---|
656 | |
---|
657 | error = pthread_mutex_destroy(&ctx->mtx_posix); |
---|
658 | rtems_test_assert(error == 0); |
---|
659 | } |
---|
660 | #endif |
---|
661 | } |
---|
662 | |
---|
663 | static void Init(rtems_task_argument arg) |
---|
664 | { |
---|
665 | test_context *ctx = &test_instance; |
---|
666 | rtems_resource_snapshot snapshot; |
---|
667 | |
---|
668 | TEST_BEGIN(); |
---|
669 | rtems_resource_snapshot_take(&snapshot); |
---|
670 | |
---|
671 | set_up(ctx); |
---|
672 | test_inherit(ctx); |
---|
673 | test_inherit_fifo_for_equal_priority(ctx); |
---|
674 | test_inherit_nested_vertical(ctx); |
---|
675 | test_inherit_nested_vertical_timeout(ctx); |
---|
676 | test_inherit_nested_horizontal(ctx); |
---|
677 | test_deadlock_two_classic(ctx); |
---|
678 | test_deadlock_three_classic(ctx); |
---|
679 | test_deadlock_c11_and_classic(ctx); |
---|
680 | test_deadlock_classic_and_c11(ctx); |
---|
681 | test_deadlock_posix_and_classic(ctx); |
---|
682 | test_deadlock_classic_and_posix(ctx); |
---|
683 | tear_down(ctx); |
---|
684 | |
---|
685 | rtems_test_assert(rtems_resource_snapshot_check(&snapshot)); |
---|
686 | TEST_END(); |
---|
687 | rtems_test_exit(0); |
---|
688 | } |
---|
689 | |
---|
690 | static void fatal_extension( |
---|
691 | rtems_fatal_source source, |
---|
692 | bool is_internal, |
---|
693 | rtems_fatal_code error |
---|
694 | ) |
---|
695 | { |
---|
696 | |
---|
697 | if ( |
---|
698 | source == INTERNAL_ERROR_CORE |
---|
699 | && !is_internal |
---|
700 | && error == INTERNAL_ERROR_THREAD_QUEUE_DEADLOCK |
---|
701 | ) { |
---|
702 | test_context *ctx = &test_instance; |
---|
703 | |
---|
704 | longjmp(ctx->deadlock_return_context, 1); |
---|
705 | } |
---|
706 | } |
---|
707 | |
---|
708 | #define CONFIGURE_APPLICATION_NEEDS_CLOCK_DRIVER |
---|
709 | #define CONFIGURE_APPLICATION_NEEDS_CONSOLE_DRIVER |
---|
710 | |
---|
711 | #define CONFIGURE_MAXIMUM_TASKS TASK_COUNT |
---|
712 | |
---|
713 | #define CONFIGURE_MAXIMUM_SEMAPHORES 3 |
---|
714 | |
---|
715 | #ifdef RTEMS_POSIX_API |
---|
716 | #define CONFIGURE_MAXIMUM_POSIX_MUTEXES 1 |
---|
717 | #endif |
---|
718 | |
---|
719 | #define CONFIGURE_INITIAL_EXTENSIONS \ |
---|
720 | { .fatal = fatal_extension }, \ |
---|
721 | RTEMS_TEST_INITIAL_EXTENSION |
---|
722 | |
---|
723 | #define CONFIGURE_INIT_TASK_PRIORITY 3 |
---|
724 | |
---|
725 | #define CONFIGURE_INIT_TASK_INITIAL_MODES RTEMS_DEFAULT_MODES |
---|
726 | |
---|
727 | #define CONFIGURE_RTEMS_INIT_TASKS_TABLE |
---|
728 | |
---|
729 | #define CONFIGURE_INIT |
---|
730 | |
---|
731 | #include <rtems/confdefs.h> |
---|