1 | /** |
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2 | * @file |
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3 | * |
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4 | * @ingroup test_bdbuf |
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5 | * |
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6 | * @brief Bdbuf test for block size change event. |
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7 | */ |
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8 | |
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9 | /* |
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10 | * Copyright (c) 2009 |
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11 | * embedded brains GmbH |
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12 | * Obere Lagerstr. 30 |
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13 | * D-82178 Puchheim |
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14 | * Germany |
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15 | * <rtems@embedded-brains.de> |
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16 | * |
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17 | * The license and distribution terms for this file may be |
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18 | * found in the file LICENSE in this distribution or at |
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19 | * http://www.rtems.org/license/LICENSE. |
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20 | */ |
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21 | |
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22 | #ifdef HAVE_CONFIG_H |
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23 | #include "config.h" |
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24 | #endif |
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25 | |
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26 | #include <sys/ioctl.h> |
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27 | #include <sys/types.h> |
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28 | #include <sys/stat.h> |
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29 | #include <fcntl.h> |
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30 | #include "tmacros.h" |
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31 | |
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32 | #include <rtems.h> |
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33 | #include <rtems/ramdisk.h> |
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34 | #include <rtems/bdbuf.h> |
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35 | #include <rtems/diskdevs.h> |
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36 | |
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37 | const char rtems_test_name[] = "BLOCK 7"; |
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38 | |
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39 | /* forward declarations to avoid warnings */ |
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40 | static rtems_task Init(rtems_task_argument argument); |
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41 | |
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42 | #define ASSERT_SC(sc) rtems_test_assert((sc) == RTEMS_SUCCESSFUL) |
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43 | |
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44 | #define PRIORITY_INIT 1 |
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45 | |
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46 | #define PRIORITY_HIGH 2 |
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47 | |
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48 | #define PRIORITY_MID 3 |
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49 | |
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50 | #define PRIORITY_LOW 4 |
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51 | |
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52 | #define PRIORITY_SWAPOUT 5 |
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53 | |
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54 | #define PRIORITY_IDLE 6 |
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55 | |
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56 | #define BLOCK_SIZE_A 1 |
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57 | |
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58 | #define BLOCK_SIZE_B 2 |
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59 | |
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60 | #define BLOCK_COUNT 2 |
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61 | |
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62 | static rtems_disk_device *dd; |
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63 | |
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64 | static rtems_id task_id_low; |
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65 | |
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66 | static rtems_id task_id_mid; |
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67 | |
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68 | static rtems_id task_id_high; |
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69 | |
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70 | static void change_block_size(void) |
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71 | { |
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72 | int rv = 0; |
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73 | int fd = open("/dev/rda", O_RDWR); |
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74 | |
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75 | rtems_test_assert(fd >= 0); |
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76 | |
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77 | rv = rtems_disk_fd_set_block_size(fd, BLOCK_SIZE_B); |
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78 | rtems_test_assert(rv == 0); |
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79 | |
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80 | rv = close(fd); |
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81 | rtems_test_assert(rv == 0); |
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82 | } |
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83 | |
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84 | static void task_low(rtems_task_argument arg) |
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85 | { |
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86 | rtems_status_code sc = RTEMS_SUCCESSFUL; |
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87 | rtems_bdbuf_buffer *bd = NULL; |
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88 | |
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89 | printk("L: try access: 0\n"); |
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90 | |
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91 | sc = rtems_bdbuf_get(dd, 0, &bd); |
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92 | ASSERT_SC(sc); |
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93 | |
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94 | printk("L: access: 0\n"); |
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95 | |
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96 | rtems_test_assert(bd->group->bds_per_group == 2); |
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97 | |
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98 | printk("L: release: 0\n"); |
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99 | |
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100 | sc = rtems_bdbuf_release(bd); |
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101 | ASSERT_SC(sc); |
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102 | |
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103 | printk("L: release done: 0\n"); |
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104 | |
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105 | rtems_test_endk(); |
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106 | |
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107 | exit(0); |
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108 | } |
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109 | |
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110 | static void task_mid(rtems_task_argument arg) |
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111 | { |
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112 | rtems_status_code sc = RTEMS_SUCCESSFUL; |
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113 | rtems_bdbuf_buffer *bd = NULL; |
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114 | |
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115 | printk("M: try access: 0\n"); |
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116 | |
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117 | sc = rtems_bdbuf_get(dd, 0, &bd); |
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118 | ASSERT_SC(sc); |
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119 | |
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120 | printk("M: access: 0\n"); |
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121 | |
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122 | rtems_test_assert(bd->group->bds_per_group == 1); |
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123 | |
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124 | printk("M: release: 0\n"); |
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125 | |
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126 | sc = rtems_bdbuf_release(bd); |
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127 | ASSERT_SC(sc); |
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128 | |
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129 | printk("M: release done: 0\n"); |
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130 | |
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131 | rtems_task_delete(RTEMS_SELF); |
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132 | } |
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133 | |
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134 | static void task_high(rtems_task_argument arg) |
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135 | { |
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136 | rtems_status_code sc = RTEMS_SUCCESSFUL; |
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137 | rtems_bdbuf_buffer *bd = NULL; |
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138 | |
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139 | change_block_size(); |
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140 | |
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141 | printk("H: try access: 0\n"); |
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142 | |
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143 | sc = rtems_bdbuf_get(dd, 0, &bd); |
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144 | ASSERT_SC(sc); |
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145 | |
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146 | printk("H: access: 0\n"); |
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147 | |
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148 | rtems_test_assert(bd->group->bds_per_group == 1); |
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149 | |
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150 | printk("H: release: 0\n"); |
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151 | |
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152 | sc = rtems_bdbuf_release(bd); |
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153 | ASSERT_SC(sc); |
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154 | |
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155 | printk("H: release done: 0\n"); |
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156 | |
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157 | rtems_task_delete(RTEMS_SELF); |
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158 | } |
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159 | |
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160 | static rtems_task Init(rtems_task_argument argument) |
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161 | { |
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162 | rtems_status_code sc = RTEMS_SUCCESSFUL; |
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163 | rtems_task_priority cur_prio = 0; |
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164 | rtems_bdbuf_buffer *bd = NULL; |
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165 | dev_t dev = 0; |
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166 | |
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167 | rtems_test_begink(); |
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168 | |
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169 | sc = rtems_disk_io_initialize(); |
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170 | ASSERT_SC(sc); |
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171 | |
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172 | sc = ramdisk_register(BLOCK_SIZE_A, BLOCK_COUNT, false, "/dev/rda", &dev); |
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173 | ASSERT_SC(sc); |
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174 | |
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175 | dd = rtems_disk_obtain(dev); |
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176 | rtems_test_assert(dd != NULL); |
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177 | |
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178 | sc = rtems_task_create( |
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179 | rtems_build_name(' ', 'L', 'O', 'W'), |
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180 | PRIORITY_LOW, |
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181 | 0, |
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182 | RTEMS_DEFAULT_MODES, |
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183 | RTEMS_DEFAULT_ATTRIBUTES, |
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184 | &task_id_low |
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185 | ); |
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186 | ASSERT_SC(sc); |
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187 | |
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188 | sc = rtems_task_start(task_id_low, task_low, 0); |
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189 | ASSERT_SC(sc); |
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190 | |
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191 | sc = rtems_task_create( |
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192 | rtems_build_name(' ', 'M', 'I', 'D'), |
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193 | PRIORITY_MID, |
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194 | 0, |
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195 | RTEMS_DEFAULT_MODES, |
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196 | RTEMS_DEFAULT_ATTRIBUTES, |
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197 | &task_id_mid |
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198 | ); |
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199 | ASSERT_SC(sc); |
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200 | |
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201 | sc = rtems_task_start(task_id_mid, task_mid, 0); |
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202 | ASSERT_SC(sc); |
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203 | |
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204 | sc = rtems_task_create( |
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205 | rtems_build_name('H', 'I', 'G', 'H'), |
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206 | PRIORITY_HIGH, |
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207 | 0, |
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208 | RTEMS_DEFAULT_MODES, |
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209 | RTEMS_DEFAULT_ATTRIBUTES, |
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210 | &task_id_high |
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211 | ); |
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212 | ASSERT_SC(sc); |
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213 | |
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214 | sc = rtems_task_start(task_id_high, task_high, 0); |
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215 | ASSERT_SC(sc); |
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216 | |
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217 | sc = rtems_task_suspend(task_id_mid); |
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218 | ASSERT_SC(sc); |
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219 | |
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220 | sc = rtems_task_suspend(task_id_high); |
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221 | ASSERT_SC(sc); |
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222 | |
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223 | sc = rtems_bdbuf_get(dd, 1, &bd); |
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224 | ASSERT_SC(sc); |
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225 | |
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226 | sc = rtems_bdbuf_release(bd); |
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227 | ASSERT_SC(sc); |
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228 | |
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229 | printk("I: try access: 0\n"); |
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230 | |
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231 | sc = rtems_bdbuf_get(dd, 0, &bd); |
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232 | ASSERT_SC(sc); |
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233 | |
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234 | printk("I: access: 0\n"); |
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235 | |
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236 | sc = rtems_task_set_priority(RTEMS_SELF, PRIORITY_IDLE, &cur_prio); |
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237 | ASSERT_SC(sc); |
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238 | |
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239 | sc = rtems_task_resume(task_id_high); |
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240 | ASSERT_SC(sc); |
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241 | |
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242 | sc = rtems_task_resume(task_id_mid); |
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243 | ASSERT_SC(sc); |
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244 | |
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245 | sc = rtems_task_set_priority(RTEMS_SELF, PRIORITY_INIT, &cur_prio); |
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246 | ASSERT_SC(sc); |
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247 | |
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248 | printk("I: release: 0\n"); |
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249 | |
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250 | sc = rtems_bdbuf_release(bd); |
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251 | ASSERT_SC(sc); |
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252 | |
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253 | printk("I: release done: 0\n"); |
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254 | |
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255 | rtems_task_delete(RTEMS_SELF); |
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256 | } |
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257 | |
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258 | #define CONFIGURE_INIT |
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259 | |
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260 | #define CONFIGURE_APPLICATION_DOES_NOT_NEED_CLOCK_DRIVER |
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261 | #define CONFIGURE_APPLICATION_NEEDS_CONSOLE_DRIVER |
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262 | #define CONFIGURE_APPLICATION_NEEDS_LIBBLOCK |
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263 | |
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264 | #define CONFIGURE_USE_IMFS_AS_BASE_FILESYSTEM |
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265 | #define CONFIGURE_LIBIO_MAXIMUM_FILE_DESCRIPTORS 4 |
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266 | |
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267 | #define CONFIGURE_MAXIMUM_TASKS 4 |
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268 | #define CONFIGURE_MAXIMUM_DRIVERS 2 |
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269 | |
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270 | #define CONFIGURE_INITIAL_EXTENSIONS RTEMS_TEST_INITIAL_EXTENSION |
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271 | |
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272 | #define CONFIGURE_RTEMS_INIT_TASKS_TABLE |
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273 | |
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274 | #define CONFIGURE_INIT_TASK_PRIORITY PRIORITY_INIT |
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275 | #define CONFIGURE_INIT_TASK_ATTRIBUTES RTEMS_DEFAULT_ATTRIBUTES |
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276 | #define CONFIGURE_INIT_TASK_INITIAL_MODES RTEMS_DEFAULT_MODES |
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277 | |
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278 | #define CONFIGURE_SWAPOUT_TASK_PRIORITY PRIORITY_SWAPOUT |
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279 | |
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280 | #define CONFIGURE_BDBUF_BUFFER_MIN_SIZE BLOCK_SIZE_A |
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281 | #define CONFIGURE_BDBUF_BUFFER_MAX_SIZE BLOCK_SIZE_B |
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282 | #define CONFIGURE_BDBUF_CACHE_MEMORY_SIZE (BLOCK_SIZE_A * BLOCK_COUNT) |
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283 | |
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284 | #include <rtems/confdefs.h> |
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