1 | /* |
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2 | * COPYRIGHT (c) 1989-2012. |
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3 | * On-Line Applications Research Corporation (OAR). |
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4 | * |
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5 | * The license and distribution terms for this file may be |
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6 | * found in the file LICENSE in this distribution or at |
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7 | * http://www.rtems.org/license/LICENSE. |
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8 | */ |
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9 | |
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10 | #ifdef HAVE_CONFIG_H |
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11 | #include "config.h" |
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12 | #endif |
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13 | |
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14 | #include <tmacros.h> |
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15 | #include <rtems/chain.h> |
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16 | |
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17 | const char rtems_test_name[] = "SPCHAIN"; |
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18 | |
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19 | static void update_registry_and_extract( |
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20 | Chain_Iterator_registry *reg, |
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21 | Chain_Node *n |
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22 | ) |
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23 | { |
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24 | _Chain_Iterator_registry_update( reg, n ); |
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25 | _Chain_Extract_unprotected( n ); |
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26 | } |
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27 | |
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28 | static Chain_Iterator_registry static_reg = |
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29 | CHAIN_ITERATOR_REGISTRY_INITIALIZER( static_reg ); |
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30 | |
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31 | static void test_chain_iterator( void ) |
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32 | { |
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33 | Chain_Control chain; |
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34 | Chain_Iterator_registry reg; |
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35 | Chain_Iterator fit; |
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36 | Chain_Iterator bit; |
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37 | Chain_Node a; |
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38 | Chain_Node b; |
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39 | Chain_Node c; |
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40 | |
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41 | puts( "INIT - Verify Chain_Iterator" ); |
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42 | |
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43 | rtems_test_assert( _Chain_Is_empty( &static_reg.Iterators )); |
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44 | |
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45 | _Chain_Initialize_empty( &chain ); |
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46 | _Chain_Initialize_node( &a ); |
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47 | _Chain_Initialize_node( &b ); |
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48 | _Chain_Initialize_node( &c ); |
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49 | _Chain_Iterator_registry_initialize( ® ); |
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50 | _Chain_Iterator_initialize( &chain, ®, &fit, CHAIN_ITERATOR_FORWARD ); |
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51 | _Chain_Iterator_initialize( &chain, ®, &bit, CHAIN_ITERATOR_BACKWARD ); |
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52 | |
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53 | rtems_test_assert( _Chain_Iterator_next( &fit ) == _Chain_Tail( &chain )); |
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54 | rtems_test_assert( _Chain_Iterator_next( &bit ) == _Chain_Head( &chain )); |
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55 | |
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56 | _Chain_Iterator_set_position( &fit, _Chain_Head( &chain ) ); |
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57 | _Chain_Iterator_set_position( &bit, _Chain_Tail( &chain ) ); |
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58 | rtems_test_assert( _Chain_Iterator_next( &fit ) == _Chain_Tail( &chain )); |
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59 | rtems_test_assert( _Chain_Iterator_next( &bit ) == _Chain_Head( &chain )); |
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60 | |
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61 | _Chain_Append_unprotected( &chain, &a ); |
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62 | rtems_test_assert( _Chain_Iterator_next( &fit ) == &a ); |
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63 | rtems_test_assert( _Chain_Iterator_next( &bit ) == &a ); |
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64 | |
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65 | _Chain_Append_unprotected( &chain, &b ); |
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66 | rtems_test_assert( _Chain_Iterator_next( &fit ) == &a ); |
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67 | rtems_test_assert( _Chain_Iterator_next( &bit ) == &b ); |
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68 | |
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69 | _Chain_Append_unprotected( &chain, &c ); |
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70 | rtems_test_assert( _Chain_Iterator_next( &fit ) == &a ); |
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71 | rtems_test_assert( _Chain_Iterator_next( &bit ) == &c ); |
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72 | |
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73 | update_registry_and_extract( ®, &b ); |
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74 | rtems_test_assert( _Chain_Iterator_next( &fit ) == &a ); |
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75 | rtems_test_assert( _Chain_Iterator_next( &bit ) == &c ); |
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76 | |
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77 | _Chain_Insert_unprotected( &a, &b ); |
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78 | rtems_test_assert( _Chain_Iterator_next( &fit ) == &a ); |
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79 | rtems_test_assert( _Chain_Iterator_next( &bit ) == &c ); |
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80 | |
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81 | update_registry_and_extract( ®, &c ); |
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82 | rtems_test_assert( _Chain_Iterator_next( &fit ) == &a ); |
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83 | rtems_test_assert( _Chain_Iterator_next( &bit ) == &b ); |
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84 | |
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85 | _Chain_Append_unprotected( &chain, &c ); |
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86 | rtems_test_assert( _Chain_Iterator_next( &fit ) == &a ); |
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87 | rtems_test_assert( _Chain_Iterator_next( &bit ) == &c ); |
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88 | |
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89 | update_registry_and_extract( ®, &a ); |
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90 | rtems_test_assert( _Chain_Iterator_next( &fit ) == &b ); |
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91 | rtems_test_assert( _Chain_Iterator_next( &bit ) == &c ); |
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92 | |
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93 | _Chain_Prepend_unprotected( &chain, &a ); |
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94 | rtems_test_assert( _Chain_Iterator_next( &fit ) == &a ); |
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95 | rtems_test_assert( _Chain_Iterator_next( &bit ) == &c ); |
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96 | |
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97 | update_registry_and_extract( ®, &a ); |
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98 | rtems_test_assert( _Chain_Iterator_next( &fit ) == &b ); |
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99 | rtems_test_assert( _Chain_Iterator_next( &bit ) == &c ); |
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100 | |
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101 | update_registry_and_extract( ®, &b ); |
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102 | rtems_test_assert( _Chain_Iterator_next( &fit ) == &c ); |
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103 | rtems_test_assert( _Chain_Iterator_next( &bit ) == &c ); |
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104 | |
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105 | update_registry_and_extract( ®, &c ); |
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106 | rtems_test_assert( _Chain_Iterator_next( &fit ) == _Chain_Tail( &chain )); |
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107 | rtems_test_assert( _Chain_Iterator_next( &bit ) == _Chain_Head( &chain )); |
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108 | |
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109 | _Chain_Append_unprotected( &chain, &a ); |
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110 | rtems_test_assert( _Chain_Iterator_next( &fit ) == &a ); |
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111 | rtems_test_assert( _Chain_Iterator_next( &bit ) == &a ); |
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112 | |
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113 | _Chain_Append_unprotected( &chain, &b ); |
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114 | rtems_test_assert( _Chain_Iterator_next( &fit ) == &a ); |
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115 | rtems_test_assert( _Chain_Iterator_next( &bit ) == &b ); |
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116 | |
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117 | _Chain_Append_unprotected( &chain, &c ); |
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118 | rtems_test_assert( _Chain_Iterator_next( &fit ) == &a ); |
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119 | rtems_test_assert( _Chain_Iterator_next( &bit ) == &c ); |
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120 | |
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121 | update_registry_and_extract( ®, &c ); |
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122 | rtems_test_assert( _Chain_Iterator_next( &fit ) == &a ); |
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123 | rtems_test_assert( _Chain_Iterator_next( &bit ) == &b ); |
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124 | |
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125 | update_registry_and_extract( ®, &b ); |
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126 | rtems_test_assert( _Chain_Iterator_next( &fit ) == &a ); |
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127 | rtems_test_assert( _Chain_Iterator_next( &bit ) == &a ); |
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128 | |
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129 | update_registry_and_extract( ®, &a ); |
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130 | rtems_test_assert( _Chain_Iterator_next( &fit ) == _Chain_Tail( &chain )); |
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131 | rtems_test_assert( _Chain_Iterator_next( &bit ) == _Chain_Head( &chain )); |
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132 | |
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133 | rtems_test_assert( !_Chain_Is_empty( ®.Iterators )); |
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134 | _Chain_Iterator_destroy( &fit ); |
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135 | rtems_test_assert( !_Chain_Is_empty( ®.Iterators )); |
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136 | _Chain_Iterator_destroy( &bit ); |
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137 | rtems_test_assert( _Chain_Is_empty( ®.Iterators )); |
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138 | } |
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139 | |
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140 | /* forward declarations to avoid warnings */ |
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141 | rtems_task Init(rtems_task_argument argument); |
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142 | |
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143 | #define EVENT RTEMS_EVENT_13 |
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144 | #define TIMEOUT 1 |
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145 | |
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146 | typedef struct { |
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147 | rtems_chain_node Node; |
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148 | int id; |
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149 | } test_node; |
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150 | |
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151 | static rtems_chain_control one_node_chain; |
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152 | |
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153 | static rtems_chain_node node_of_one_node_chain = |
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154 | RTEMS_CHAIN_NODE_INITIALIZER_ONE_NODE_CHAIN( &one_node_chain ); |
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155 | |
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156 | static rtems_chain_control one_node_chain = |
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157 | RTEMS_CHAIN_INITIALIZER_ONE_NODE( &node_of_one_node_chain ); |
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158 | |
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159 | static void test_chain_control_initializer(void) |
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160 | { |
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161 | rtems_chain_control chain = RTEMS_CHAIN_INITIALIZER_EMPTY( chain ); |
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162 | |
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163 | puts( "INIT - Verify rtems_chain_control initializer" ); |
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164 | |
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165 | rtems_test_assert( rtems_chain_is_empty( &chain ) ); |
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166 | |
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167 | rtems_test_assert( rtems_chain_has_only_one_node( &one_node_chain ) ); |
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168 | rtems_test_assert( |
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169 | rtems_chain_immutable_first( &one_node_chain ) == &node_of_one_node_chain |
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170 | ); |
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171 | rtems_test_assert( |
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172 | rtems_chain_immutable_last( &one_node_chain ) == &node_of_one_node_chain |
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173 | ); |
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174 | rtems_test_assert( |
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175 | rtems_chain_immutable_head( &one_node_chain ) |
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176 | == rtems_chain_immutable_previous( &node_of_one_node_chain ) |
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177 | ); |
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178 | rtems_test_assert( |
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179 | rtems_chain_immutable_tail( &one_node_chain ) |
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180 | == rtems_chain_immutable_next( &node_of_one_node_chain ) |
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181 | ); |
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182 | } |
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183 | |
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184 | static void test_chain_control_layout(void) |
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185 | { |
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186 | Chain_Control chain; |
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187 | |
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188 | puts( "INIT - Verify rtems_chain_control layout" ); |
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189 | |
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190 | rtems_test_assert( |
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191 | sizeof(Chain_Control) |
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192 | == sizeof(Chain_Node) + sizeof(Chain_Node *) |
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193 | ); |
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194 | rtems_test_assert( |
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195 | sizeof(Chain_Control) |
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196 | == 3 * sizeof(Chain_Node *) |
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197 | ); |
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198 | rtems_test_assert( |
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199 | _Chain_Previous( _Chain_Head( &chain ) ) |
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200 | == _Chain_Next( _Chain_Tail( &chain ) ) |
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201 | ); |
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202 | |
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203 | #if !defined( RTEMS_SMP ) |
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204 | rtems_test_assert( |
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205 | sizeof(Chain_Control) |
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206 | == sizeof(rtems_chain_control) |
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207 | ); |
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208 | #endif |
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209 | } |
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210 | |
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211 | static void test_chain_get_with_wait(void) |
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212 | { |
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213 | rtems_status_code sc = RTEMS_SUCCESSFUL; |
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214 | rtems_chain_control chain; |
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215 | rtems_chain_node *p = (rtems_chain_node *) 1; |
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216 | |
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217 | puts( "INIT - Verify rtems_chain_get_with_wait" ); |
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218 | rtems_chain_initialize_empty( &chain ); |
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219 | sc = rtems_chain_get_with_wait( &chain, EVENT, TIMEOUT, &p ); |
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220 | rtems_test_assert( sc == RTEMS_TIMEOUT ); |
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221 | rtems_test_assert( p == NULL ); |
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222 | } |
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223 | |
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224 | static void test_chain_first_and_last(void) |
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225 | { |
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226 | rtems_chain_control chain; |
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227 | rtems_chain_node node1, node2; |
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228 | rtems_chain_node *cnode; |
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229 | |
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230 | rtems_chain_initialize_empty( &chain ); |
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231 | rtems_chain_initialize_node( &node1 ); |
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232 | rtems_chain_initialize_node( &node2 ); |
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233 | rtems_chain_append( &chain, &node1 ); |
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234 | rtems_chain_insert( &node1, &node2 ); |
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235 | |
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236 | puts( "INIT - Verify rtems_chain_is_first" ); |
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237 | cnode = rtems_chain_first(&chain); |
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238 | rtems_test_assert( rtems_chain_is_first( cnode ) ); |
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239 | |
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240 | puts( "INIT - Verify rtems_chain_is_last" ); |
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241 | cnode = rtems_chain_last(&chain); |
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242 | rtems_test_assert( rtems_chain_is_last( cnode ) ); |
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243 | |
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244 | cnode = rtems_chain_get_first_unprotected( &chain ); |
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245 | rtems_test_assert( cnode == &node1 ); |
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246 | cnode = rtems_chain_first( &chain ); |
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247 | rtems_test_assert( cnode == &node2 ); |
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248 | cnode = rtems_chain_last( &chain ); |
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249 | rtems_test_assert( cnode == &node2 ); |
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250 | } |
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251 | |
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252 | static void test_chain_with_notification(void) |
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253 | { |
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254 | rtems_status_code sc = RTEMS_SUCCESSFUL; |
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255 | rtems_chain_control chain; |
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256 | rtems_chain_node a; |
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257 | rtems_chain_node b; |
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258 | rtems_chain_node *p = (rtems_chain_node *) 1; |
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259 | rtems_event_set out = 0; |
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260 | |
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261 | puts( "INIT - Verify rtems_chain_append_with_notification" ); |
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262 | rtems_chain_initialize_empty( &chain ); |
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263 | rtems_chain_initialize_node( &a ); |
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264 | sc = rtems_chain_append_with_notification( |
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265 | &chain, |
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266 | &a, |
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267 | rtems_task_self(), |
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268 | EVENT |
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269 | ); |
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270 | rtems_test_assert( sc == RTEMS_SUCCESSFUL ); |
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271 | sc = rtems_chain_get_with_wait( &chain, EVENT, TIMEOUT, &p ); |
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272 | rtems_test_assert( sc == RTEMS_SUCCESSFUL ); |
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273 | rtems_test_assert( p == &a ); |
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274 | |
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275 | rtems_chain_initialize_empty( &chain ); |
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276 | rtems_chain_initialize_node( &a ); |
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277 | rtems_chain_initialize_node( &b ); |
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278 | |
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279 | rtems_chain_append( &chain, &b ); |
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280 | sc = rtems_chain_append_with_notification( |
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281 | &chain, |
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282 | &a, |
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283 | rtems_task_self(), |
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284 | EVENT |
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285 | ); |
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286 | rtems_test_assert( sc == RTEMS_SUCCESSFUL ); |
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287 | rtems_test_assert( p == &a ); |
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288 | |
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289 | puts( "INIT - Verify rtems_chain_prepend_with_notification" ); |
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290 | rtems_chain_initialize_empty( &chain ); |
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291 | rtems_chain_initialize_node( &a ); |
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292 | rtems_chain_initialize_node( &b ); |
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293 | sc = rtems_chain_prepend_with_notification( |
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294 | &chain, |
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295 | &a, |
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296 | rtems_task_self(), |
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297 | EVENT |
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298 | ); |
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299 | rtems_test_assert( sc == RTEMS_SUCCESSFUL ); |
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300 | sc = rtems_chain_get_with_wait( &chain, EVENT, TIMEOUT, &p ); |
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301 | rtems_test_assert( sc == RTEMS_SUCCESSFUL ); |
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302 | rtems_test_assert( p == &a ); |
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303 | |
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304 | rtems_chain_prepend( &chain, &b ); |
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305 | sc = rtems_chain_prepend_with_notification( |
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306 | &chain, |
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307 | &a, |
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308 | rtems_task_self(), |
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309 | EVENT |
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310 | ); |
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311 | rtems_test_assert( sc == RTEMS_SUCCESSFUL ); |
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312 | rtems_test_assert( p == &a ); |
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313 | |
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314 | puts( "INIT - Verify rtems_chain_get_with_notification" ); |
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315 | rtems_chain_initialize_empty( &chain ); |
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316 | rtems_chain_initialize_node( &a ); |
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317 | rtems_chain_initialize_node( &b ); |
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318 | |
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319 | rtems_chain_append( &chain, &b ); |
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320 | rtems_chain_append( &chain, &a ); |
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321 | |
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322 | sc = rtems_chain_get_with_notification(&chain, rtems_task_self(), EVENT, &p); |
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323 | rtems_test_assert( sc == RTEMS_SUCCESSFUL ); |
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324 | rtems_test_assert( p == &b ); |
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325 | |
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326 | sc = rtems_chain_get_with_notification(&chain, rtems_task_self(), EVENT, &p); |
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327 | rtems_test_assert( sc == RTEMS_SUCCESSFUL ); |
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328 | rtems_test_assert( p == &a ); |
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329 | sc = rtems_event_receive( |
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330 | EVENT, |
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331 | RTEMS_EVENT_ALL | RTEMS_WAIT, |
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332 | TIMEOUT, |
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333 | &out |
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334 | ); |
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335 | rtems_test_assert( sc == RTEMS_SUCCESSFUL ); |
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336 | rtems_test_assert( out == EVENT ); |
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337 | } |
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338 | |
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339 | static void test_chain_with_empty_check(void) |
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340 | { |
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341 | rtems_chain_control chain; |
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342 | rtems_chain_node a; |
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343 | rtems_chain_node b; |
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344 | rtems_chain_node c; |
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345 | rtems_chain_node *p; |
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346 | bool empty; |
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347 | |
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348 | puts( "INIT - Verify rtems_chain_append_with_empty_check" ); |
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349 | rtems_chain_initialize_empty( &chain ); |
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350 | rtems_chain_initialize_node( &a ); |
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351 | rtems_chain_initialize_node( &b ); |
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352 | empty = rtems_chain_append_with_empty_check( &chain, &a ); |
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353 | rtems_test_assert( empty ); |
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354 | empty = rtems_chain_append_with_empty_check( &chain, &b ); |
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355 | rtems_test_assert( !empty ); |
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356 | |
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357 | puts( "INIT - Verify rtems_chain_prepend_with_empty_check" ); |
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358 | rtems_chain_initialize_empty( &chain ); |
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359 | rtems_chain_initialize_node( &a ); |
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360 | rtems_chain_initialize_node( &b ); |
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361 | rtems_chain_initialize_node( &c ); |
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362 | empty = rtems_chain_prepend_with_empty_check( &chain, &a ); |
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363 | rtems_test_assert( empty ); |
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364 | empty = rtems_chain_prepend_with_empty_check( &chain, &b ); |
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365 | rtems_test_assert( !empty ); |
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366 | empty = rtems_chain_prepend_with_empty_check( &chain, &c ); |
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367 | rtems_test_assert( !empty ); |
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368 | |
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369 | puts( "INIT - Verify rtems_chain_get_with_empty_check" ); |
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370 | rtems_chain_initialize_empty( &chain ); |
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371 | rtems_chain_initialize_node( &a ); |
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372 | rtems_chain_initialize_node( &b ); |
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373 | empty = rtems_chain_get_with_empty_check( &chain, &p ); |
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374 | rtems_test_assert( empty ); |
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375 | |
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376 | rtems_chain_append( &chain, &a ); |
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377 | rtems_chain_append( &chain, &b ); |
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378 | empty = rtems_chain_get_with_empty_check( &chain, &p ); |
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379 | rtems_test_assert( !empty ); |
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380 | rtems_test_assert( p == &a ); |
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381 | empty = rtems_chain_get_with_empty_check( &chain, &p ); |
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382 | rtems_test_assert( empty ); |
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383 | rtems_test_assert( p == &b ); |
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384 | } |
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385 | |
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386 | static void test_chain_node_count(void) |
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387 | { |
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388 | rtems_chain_control chain; |
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389 | rtems_chain_node nodes[3]; |
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390 | size_t count; |
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391 | size_t i; |
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392 | |
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393 | puts( "INIT - Verify rtems_chain_node_count_unprotected" ); |
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394 | |
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395 | rtems_chain_initialize_empty( &chain ); |
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396 | count = rtems_chain_node_count_unprotected( &chain ); |
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397 | rtems_test_assert( count == 0 ); |
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398 | |
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399 | for (i = 0; i < RTEMS_ARRAY_SIZE( nodes ); ++i) { |
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400 | rtems_chain_initialize_node( &nodes[ i ] ); |
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401 | rtems_chain_append_unprotected( &chain, &nodes[i] ); |
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402 | count = rtems_chain_node_count_unprotected( &chain ); |
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403 | rtems_test_assert( count == i + 1 ); |
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404 | } |
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405 | } |
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406 | |
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407 | static bool test_order( const Chain_Node *left, const Chain_Node *right ) |
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408 | { |
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409 | return left < right; |
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410 | } |
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411 | |
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412 | static void test_chain_insert_ordered( void ) |
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413 | { |
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414 | Chain_Control chain = CHAIN_INITIALIZER_EMPTY(chain); |
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415 | Chain_Node nodes[5]; |
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416 | const Chain_Node *tail; |
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417 | const Chain_Node *node; |
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418 | size_t n = RTEMS_ARRAY_SIZE( nodes ); |
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419 | size_t i; |
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420 | |
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421 | puts( "INIT - Verify _Chain_Insert_ordered_unprotected" ); |
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422 | |
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423 | for ( i = 0; i < n; ++i ) { |
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424 | _Chain_Initialize_node( &nodes[ i ] ); |
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425 | } |
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426 | |
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427 | _Chain_Insert_ordered_unprotected( &chain, &nodes[4], test_order ); |
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428 | _Chain_Insert_ordered_unprotected( &chain, &nodes[2], test_order ); |
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429 | _Chain_Insert_ordered_unprotected( &chain, &nodes[0], test_order ); |
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430 | _Chain_Insert_ordered_unprotected( &chain, &nodes[3], test_order ); |
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431 | _Chain_Insert_ordered_unprotected( &chain, &nodes[1], test_order ); |
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432 | |
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433 | tail = _Chain_Immutable_tail( &chain ); |
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434 | node = _Chain_Immutable_first( &chain ); |
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435 | i = 0; |
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436 | while ( node != tail && i < n ) { |
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437 | rtems_test_assert( node == &nodes[ i ] ); |
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438 | ++i; |
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439 | node = _Chain_Immutable_next( node ); |
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440 | } |
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441 | |
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442 | rtems_test_assert( i == n ); |
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443 | } |
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444 | |
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445 | rtems_task Init( |
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446 | rtems_task_argument ignored |
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447 | ) |
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448 | { |
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449 | rtems_chain_control chain1; |
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450 | rtems_chain_node *p; |
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451 | test_node node1, node2; |
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452 | int id; |
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453 | |
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454 | TEST_BEGIN(); |
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455 | |
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456 | puts( "Init - Initialize chain empty" ); |
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457 | rtems_chain_initialize_empty( &chain1 ); |
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458 | rtems_chain_initialize_node( &node1.Node ); |
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459 | rtems_chain_initialize_node( &node2.Node ); |
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460 | |
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461 | /* verify that the chain append and insert work */ |
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462 | puts( "INIT - Verify rtems_chain_insert" ); |
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463 | node1.id = 1; |
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464 | node2.id = 2; |
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465 | rtems_chain_append( &chain1, &node1.Node ); |
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466 | rtems_chain_insert( &node1.Node, &node2.Node ); |
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467 | |
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468 | for ( p = rtems_chain_first(&chain1), id = 1 ; |
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469 | !rtems_chain_is_tail(&chain1, p) ; |
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470 | p = p->next , id++ ) { |
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471 | test_node *t = (test_node *)p; |
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472 | if ( id > 2 ) { |
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473 | puts( "INIT - TOO MANY NODES ON CHAIN" ); |
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474 | rtems_test_exit(0); |
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475 | } |
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476 | if ( t->id != id ) { |
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477 | puts( "INIT - ERROR ON CHAIN ID MISMATCH" ); |
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478 | rtems_test_exit(0); |
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479 | } |
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480 | } |
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481 | |
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482 | test_chain_first_and_last(); |
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483 | test_chain_with_empty_check(); |
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484 | test_chain_with_notification(); |
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485 | test_chain_get_with_wait(); |
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486 | test_chain_control_layout(); |
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487 | test_chain_control_initializer(); |
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488 | test_chain_node_count(); |
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489 | test_chain_insert_ordered(); |
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490 | test_chain_iterator(); |
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491 | |
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492 | TEST_END(); |
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493 | rtems_test_exit(0); |
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494 | } |
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495 | |
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496 | /* configuration information */ |
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497 | |
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498 | #define CONFIGURE_APPLICATION_NEEDS_CONSOLE_DRIVER |
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499 | #define CONFIGURE_APPLICATION_NEEDS_CLOCK_DRIVER |
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500 | |
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501 | #define CONFIGURE_INITIAL_EXTENSIONS RTEMS_TEST_INITIAL_EXTENSION |
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502 | |
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503 | #define CONFIGURE_RTEMS_INIT_TASKS_TABLE |
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504 | #define CONFIGURE_MAXIMUM_TASKS 1 |
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505 | |
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506 | #define CONFIGURE_INIT |
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507 | #include <rtems/confdefs.h> |
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508 | |
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509 | /* global variables */ |
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