1 | /* |
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2 | * COPYRIGHT (c) 1989-2014. |
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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 | #if !defined(OPERATION_COUNT) |
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11 | #define OPERATION_COUNT 100 |
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12 | #endif |
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13 | |
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14 | #ifdef HAVE_CONFIG_H |
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15 | #include "config.h" |
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16 | #endif |
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17 | |
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18 | #define CONFIGURE_INIT |
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19 | #include "system.h" |
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20 | |
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21 | #if defined(TM03) |
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22 | const char rtems_test_name[] = "TIME TEST 3"; |
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23 | #define SEMAPHORE_ATTRIBUTES (RTEMS_COUNTING_SEMAPHORE | RTEMS_FIFO) |
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24 | #define ATTR_DESC "counting/FIFO" |
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25 | |
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26 | #elif defined(TM32) |
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27 | const char rtems_test_name[] = "TIME TEST 32"; |
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28 | #define SEMAPHORE_ATTRIBUTES (RTEMS_COUNTING_SEMAPHORE | RTEMS_PRIORITY) |
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29 | #define ATTR_DESC "counting/priority" |
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30 | |
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31 | #elif defined(TM34) |
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32 | const char rtems_test_name[] = "TIME TEST 34"; |
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33 | #define SEMAPHORE_ATTRIBUTES RTEMS_BINARY_SEMAPHORE |
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34 | #define ATTR_DESC "binary/FIFO" |
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35 | |
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36 | #elif defined(TM36) |
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37 | const char rtems_test_name[] = "TIME TEST 36"; |
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38 | #define SEMAPHORE_ATTRIBUTES (RTEMS_BINARY_SEMAPHORE | RTEMS_PRIORITY) |
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39 | #define ATTR_DESC "binary/priority" |
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40 | |
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41 | #else |
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42 | #error "Unknown test configuration" |
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43 | #endif |
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44 | |
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45 | |
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46 | rtems_id Semaphore_id; |
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47 | rtems_task test_init( |
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48 | rtems_task_argument argument |
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49 | ); |
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50 | |
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51 | rtems_task Middle_tasks( |
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52 | rtems_task_argument argument |
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53 | ); |
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54 | |
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55 | rtems_task High_task( |
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56 | rtems_task_argument argument |
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57 | ); |
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58 | |
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59 | int operation_count = OPERATION_COUNT; |
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60 | |
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61 | rtems_task Init( |
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62 | rtems_task_argument argument |
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63 | ) |
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64 | { |
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65 | rtems_status_code status; |
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66 | rtems_id task_id; |
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67 | |
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68 | Print_Warning(); |
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69 | |
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70 | TEST_BEGIN(); |
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71 | status = rtems_task_create( |
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72 | rtems_build_name( 'T', 'A', '1', ' ' ), |
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73 | RTEMS_MAXIMUM_PRIORITY - 1u, |
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74 | RTEMS_MINIMUM_STACK_SIZE, |
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75 | RTEMS_DEFAULT_MODES, |
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76 | RTEMS_DEFAULT_ATTRIBUTES, |
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77 | &task_id |
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78 | ); |
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79 | directive_failed( status, "rtems_task_create of test_init" ); |
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80 | |
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81 | status = rtems_task_start( task_id, test_init, 0 ); |
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82 | directive_failed( status, "rtems_task_start of test_init" ); |
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83 | |
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84 | rtems_task_exit(); |
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85 | } |
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86 | |
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87 | rtems_task test_init( |
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88 | rtems_task_argument argument |
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89 | ) |
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90 | { |
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91 | rtems_status_code status; |
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92 | int index; |
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93 | rtems_id task_id; |
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94 | rtems_task_priority priority; |
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95 | |
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96 | priority = RTEMS_MAXIMUM_PRIORITY - 2u; |
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97 | |
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98 | status = rtems_semaphore_create( |
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99 | rtems_build_name( 'S', 'M', '1', '\0'), |
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100 | 0, |
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101 | SEMAPHORE_ATTRIBUTES, |
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102 | RTEMS_NO_PRIORITY, |
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103 | &Semaphore_id |
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104 | ); |
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105 | directive_failed( status, "rtems_semaphore_create of SM1" ); |
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106 | |
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107 | if ( OPERATION_COUNT > RTEMS_MAXIMUM_PRIORITY - 2u ) |
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108 | operation_count = (int) (RTEMS_MAXIMUM_PRIORITY - 2u); |
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109 | for ( index = 2 ; index < operation_count ; index ++ ) { |
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110 | rtems_task_create( |
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111 | rtems_build_name( 'M', 'I', 'D', ' ' ), |
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112 | priority, |
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113 | RTEMS_MINIMUM_STACK_SIZE, |
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114 | RTEMS_DEFAULT_MODES, |
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115 | RTEMS_DEFAULT_ATTRIBUTES, |
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116 | &task_id |
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117 | ); |
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118 | directive_failed( status, "rtems_task_create middle" ); |
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119 | |
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120 | priority--; |
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121 | |
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122 | rtems_task_start( task_id, Middle_tasks, 0 ); |
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123 | directive_failed( status, "rtems_task_start middle" ); |
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124 | } |
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125 | |
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126 | status = rtems_task_create( |
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127 | rtems_build_name( 'H', 'I', 'G', 'H' ), |
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128 | priority, |
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129 | RTEMS_MINIMUM_STACK_SIZE, |
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130 | RTEMS_DEFAULT_MODES, |
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131 | RTEMS_DEFAULT_ATTRIBUTES, |
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132 | &task_id |
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133 | ); |
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134 | directive_failed( status, "rtems_task_create of high task" ); |
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135 | |
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136 | status = rtems_task_start( task_id, High_task, 0 ); |
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137 | directive_failed( status, "rtems_task_start of high task" ); |
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138 | |
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139 | benchmark_timer_initialize(); /* start the timer */ |
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140 | status = rtems_semaphore_release( Semaphore_id ); |
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141 | } |
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142 | |
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143 | rtems_task Middle_tasks( |
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144 | rtems_task_argument argument |
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145 | ) |
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146 | { |
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147 | (void) rtems_semaphore_obtain( |
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148 | Semaphore_id, |
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149 | RTEMS_DEFAULT_OPTIONS, |
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150 | RTEMS_NO_TIMEOUT |
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151 | ); |
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152 | |
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153 | (void) rtems_semaphore_release( Semaphore_id ); |
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154 | } |
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155 | |
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156 | rtems_task High_task( |
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157 | rtems_task_argument argument |
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158 | ) |
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159 | { |
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160 | (void) rtems_semaphore_obtain( |
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161 | Semaphore_id, |
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162 | RTEMS_DEFAULT_OPTIONS, |
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163 | RTEMS_NO_TIMEOUT |
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164 | ); |
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165 | |
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166 | end_time = benchmark_timer_read(); |
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167 | |
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168 | put_time( |
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169 | "rtems_semaphore_release: " ATTR_DESC " task readied preempts caller", |
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170 | end_time, |
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171 | operation_count - 1, |
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172 | 0, |
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173 | 0 |
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174 | ); |
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175 | |
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176 | TEST_END(); |
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177 | rtems_test_exit( 0 ); |
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178 | } |
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