1 | /* |
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2 | * |
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3 | * COPYRIGHT (c) 1989-2007. |
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4 | * On-Line Applications Research Corporation (OAR). |
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5 | * |
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6 | * The license and distribution terms for this file may be |
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7 | * found in the file LICENSE in this distribution or at |
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8 | * http://www.rtems.com/license/LICENSE. |
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9 | */ |
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10 | |
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11 | #ifdef HAVE_CONFIG_H |
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12 | #include "config.h" |
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13 | #endif |
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14 | |
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15 | #define CONFIGURE_INIT |
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16 | #include "system.h" |
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17 | |
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18 | rtems_id Queue_id; |
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19 | |
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20 | long Buffer[4]; |
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21 | |
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22 | rtems_task Low_task( |
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23 | rtems_task_argument argument |
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24 | ); |
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25 | |
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26 | rtems_task High_task( |
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27 | rtems_task_argument argument |
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28 | ); |
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29 | |
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30 | rtems_task Preempt_task( |
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31 | rtems_task_argument argument |
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32 | ); |
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33 | |
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34 | rtems_task Init( |
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35 | rtems_task_argument argument |
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36 | ) |
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37 | { |
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38 | rtems_id id; |
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39 | rtems_status_code status; |
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40 | |
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41 | Print_Warning(); |
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42 | |
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43 | puts( "\n\n*** TIME TEST 22 ***" ); |
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44 | |
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45 | status = rtems_message_queue_create( |
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46 | rtems_build_name( 'M', 'Q', '1', ' '), |
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47 | 100, |
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48 | MESSAGE_SIZE, |
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49 | RTEMS_DEFAULT_ATTRIBUTES, |
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50 | &Queue_id |
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51 | ); |
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52 | directive_failed( status, "rtems_message_queue_create" ); |
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53 | |
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54 | status = rtems_task_create( |
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55 | rtems_build_name( 'L', 'O', 'W', ' ' ), |
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56 | 10, |
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57 | RTEMS_MINIMUM_STACK_SIZE, |
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58 | RTEMS_NO_PREEMPT, |
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59 | RTEMS_DEFAULT_ATTRIBUTES, |
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60 | &id |
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61 | ); |
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62 | directive_failed( status, "rtems_task_create" ); |
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63 | |
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64 | status = rtems_task_start( id, Low_task, 0 ); |
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65 | directive_failed( status, "rtems_task_start LOW" ); |
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66 | |
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67 | status = rtems_task_create( |
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68 | 1, |
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69 | 11, |
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70 | RTEMS_MINIMUM_STACK_SIZE, |
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71 | RTEMS_DEFAULT_MODES, |
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72 | RTEMS_DEFAULT_ATTRIBUTES, |
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73 | &id |
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74 | ); |
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75 | directive_failed( status, "rtems_task_create RTEMS_PREEMPT" ); |
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76 | |
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77 | status = rtems_task_start( id, Preempt_task, 0 ); |
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78 | directive_failed( status, "rtems_task_start RTEMS_PREEMPT" ); |
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79 | |
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80 | status = rtems_task_delete( RTEMS_SELF ); |
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81 | directive_failed( status, "rtems_task_delete of RTEMS_SELF" ); |
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82 | } |
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83 | |
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84 | rtems_task High_task( |
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85 | rtems_task_argument argument |
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86 | ) |
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87 | { |
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88 | uint32_t count; |
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89 | rtems_status_code status; |
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90 | |
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91 | benchmark_timer_initialize(); |
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92 | (void) rtems_message_queue_broadcast( |
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93 | Queue_id, |
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94 | Buffer, |
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95 | MESSAGE_SIZE, |
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96 | &count |
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97 | ); |
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98 | end_time = benchmark_timer_read(); |
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99 | |
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100 | put_time( |
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101 | "rtems_message_queue_broadcast: task readied -- returns to caller", |
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102 | end_time, |
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103 | 1, |
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104 | 0, |
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105 | CALLING_OVERHEAD_MESSAGE_QUEUE_BROADCAST |
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106 | ); |
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107 | |
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108 | status = rtems_task_suspend(RTEMS_SELF); |
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109 | directive_failed( status, "rtems_task_suspend" ); |
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110 | } |
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111 | |
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112 | rtems_task Low_task( |
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113 | rtems_task_argument argument |
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114 | ) |
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115 | { |
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116 | rtems_id id; |
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117 | uint32_t index; |
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118 | uint32_t count; |
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119 | size_t size; |
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120 | rtems_status_code status; |
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121 | |
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122 | status = rtems_task_create( |
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123 | rtems_build_name( 'H', 'I', 'G', 'H' ), |
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124 | 5, |
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125 | RTEMS_MINIMUM_STACK_SIZE, |
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126 | RTEMS_NO_PREEMPT, |
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127 | RTEMS_DEFAULT_ATTRIBUTES, |
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128 | &id |
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129 | ); |
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130 | directive_failed( status, "rtems_task_create" ); |
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131 | |
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132 | status = rtems_task_start( id, High_task, 0 ); |
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133 | directive_failed( status, "rtems_task_start HIGH" ); |
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134 | |
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135 | status = rtems_message_queue_receive( |
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136 | Queue_id, |
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137 | (long (*)[4]) Buffer, |
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138 | &size, |
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139 | RTEMS_DEFAULT_OPTIONS, |
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140 | RTEMS_NO_TIMEOUT |
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141 | ); |
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142 | directive_failed( status, "message_queu_receive" ); |
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143 | |
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144 | benchmark_timer_initialize(); |
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145 | for ( index=1 ; index <= OPERATION_COUNT ; index++ ) |
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146 | (void) rtems_message_queue_broadcast( |
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147 | Queue_id, |
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148 | Buffer, |
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149 | MESSAGE_SIZE, |
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150 | &count |
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151 | ); |
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152 | end_time = benchmark_timer_read(); |
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153 | |
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154 | put_time( |
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155 | "rtems_message_queue_broadcast: no waiting tasks", |
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156 | end_time, |
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157 | OPERATION_COUNT, |
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158 | 1, |
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159 | CALLING_OVERHEAD_MESSAGE_QUEUE_BROADCAST |
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160 | ); |
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161 | |
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162 | (void) rtems_message_queue_receive( |
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163 | Queue_id, |
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164 | (long (*)[4]) Buffer, |
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165 | &size, |
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166 | RTEMS_DEFAULT_OPTIONS, |
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167 | RTEMS_NO_TIMEOUT |
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168 | ); |
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169 | |
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170 | /* should go to Preempt_task here */ |
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171 | |
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172 | end_time = benchmark_timer_read(); |
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173 | |
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174 | put_time( |
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175 | "rtems_message_queue_broadcast: task readied -- preempts caller", |
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176 | end_time, |
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177 | 1, |
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178 | 0, |
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179 | CALLING_OVERHEAD_MESSAGE_QUEUE_BROADCAST |
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180 | ); |
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181 | |
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182 | puts( "*** END OF TEST 22 ***" ); |
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183 | rtems_test_exit( 0 ); |
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184 | } |
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185 | |
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186 | rtems_task Preempt_task( |
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187 | rtems_task_argument argument |
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188 | ) |
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189 | { |
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190 | uint32_t count; |
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191 | |
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192 | benchmark_timer_initialize(); |
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193 | (void) rtems_message_queue_broadcast( |
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194 | Queue_id, |
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195 | Buffer, |
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196 | MESSAGE_SIZE, |
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197 | &count |
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198 | ); |
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199 | |
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200 | /* should be preempted by low task */ |
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201 | } |
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