1 | /* |
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2 | * |
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3 | * COPYRIGHT (c) 1989-1999. |
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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.OARcorp.com/rtems/license.html. |
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9 | * |
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10 | * $Id$ |
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11 | */ |
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12 | |
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13 | #define TEST_INIT |
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14 | #include "system.h" |
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15 | |
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16 | rtems_id Queue_id; |
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17 | |
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18 | long Buffer[4]; |
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19 | |
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20 | rtems_task Low_task( |
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21 | rtems_task_argument argument |
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22 | ); |
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23 | |
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24 | rtems_task High_task( |
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25 | rtems_task_argument argument |
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26 | ); |
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27 | |
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28 | rtems_task Preempt_task( |
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29 | rtems_task_argument argument |
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30 | ); |
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31 | |
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32 | rtems_task Init( |
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33 | rtems_task_argument argument |
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34 | ) |
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35 | { |
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36 | rtems_id id; |
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37 | rtems_status_code status; |
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38 | |
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39 | Print_Warning(); |
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40 | |
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41 | puts( "\n\n*** TIME TEST 22 ***" ); |
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42 | |
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43 | status = rtems_message_queue_create( |
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44 | rtems_build_name( 'M', 'Q', '1', ' '), |
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45 | 100, |
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46 | 16, |
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47 | RTEMS_DEFAULT_ATTRIBUTES, |
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48 | &Queue_id |
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49 | ); |
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50 | directive_failed( status, "rtems_message_queue_create" ); |
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51 | |
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52 | status = rtems_task_create( |
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53 | rtems_build_name( 'L', 'O', 'W', ' ' ), |
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54 | 10, |
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55 | RTEMS_MINIMUM_STACK_SIZE, |
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56 | RTEMS_NO_PREEMPT, |
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57 | RTEMS_DEFAULT_ATTRIBUTES, |
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58 | &id |
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59 | ); |
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60 | directive_failed( status, "rtems_task_create" ); |
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61 | |
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62 | status = rtems_task_start( id, Low_task, 0 ); |
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63 | directive_failed( status, "rtems_task_start LOW" ); |
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64 | |
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65 | status = rtems_task_create( |
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66 | 1, |
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67 | 11, |
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68 | RTEMS_MINIMUM_STACK_SIZE, |
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69 | RTEMS_DEFAULT_MODES, |
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70 | RTEMS_DEFAULT_ATTRIBUTES, |
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71 | &id |
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72 | ); |
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73 | directive_failed( status, "rtems_task_create RTEMS_PREEMPT" ); |
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74 | |
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75 | status = rtems_task_start( id, Preempt_task, 0 ); |
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76 | directive_failed( status, "rtems_task_start RTEMS_PREEMPT" ); |
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77 | |
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78 | status = rtems_task_delete( RTEMS_SELF ); |
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79 | directive_failed( status, "rtems_task_delete of RTEMS_SELF" ); |
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80 | } |
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81 | |
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82 | rtems_task High_task( |
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83 | rtems_task_argument argument |
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84 | ) |
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85 | { |
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86 | rtems_unsigned32 count; |
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87 | rtems_status_code status; |
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88 | |
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89 | Timer_initialize(); |
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90 | (void) rtems_message_queue_broadcast( |
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91 | Queue_id, |
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92 | (long (*)[4]) Buffer, |
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93 | 16, |
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94 | &count |
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95 | ); |
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96 | end_time = Read_timer(); |
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97 | |
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98 | put_time( |
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99 | "rtems_message_queue_broadcast: task readied -- returns to caller", |
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100 | end_time, |
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101 | 1, |
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102 | 0, |
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103 | CALLING_OVERHEAD_MESSAGE_QUEUE_BROADCAST |
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104 | ); |
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105 | |
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106 | status = rtems_task_suspend(RTEMS_SELF); |
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107 | directive_failed( status, "rtems_task_suspend" ); |
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108 | } |
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109 | |
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110 | rtems_task Low_task( |
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111 | rtems_task_argument argument |
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112 | ) |
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113 | { |
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114 | rtems_id id; |
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115 | rtems_unsigned32 index; |
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116 | rtems_unsigned32 count; |
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117 | rtems_unsigned32 size; |
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118 | rtems_status_code status; |
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119 | |
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120 | status = rtems_task_create( |
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121 | rtems_build_name( 'H', 'I', 'G', 'H' ), |
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122 | 5, |
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123 | RTEMS_MINIMUM_STACK_SIZE, |
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124 | RTEMS_NO_PREEMPT, |
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125 | RTEMS_DEFAULT_ATTRIBUTES, |
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126 | &id |
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127 | ); |
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128 | directive_failed( status, "rtems_task_create" ); |
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129 | |
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130 | status = rtems_task_start( id, High_task, 0 ); |
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131 | directive_failed( status, "rtems_task_start HIGH" ); |
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132 | |
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133 | status = rtems_message_queue_receive( |
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134 | Queue_id, |
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135 | (long (*)[4]) Buffer, |
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136 | &size, |
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137 | RTEMS_DEFAULT_OPTIONS, |
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138 | RTEMS_NO_TIMEOUT |
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139 | ); |
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140 | directive_failed( status, "message_queu_receive" ); |
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141 | |
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142 | Timer_initialize(); |
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143 | for ( index=1 ; index <= OPERATION_COUNT ; index++ ) |
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144 | (void) rtems_message_queue_broadcast( |
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145 | Queue_id, |
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146 | (long (*)[4]) Buffer, |
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147 | 16, |
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148 | &count |
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149 | ); |
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150 | end_time = Read_timer(); |
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151 | |
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152 | put_time( |
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153 | "rtems_message_queue_broadcast: no waiting tasks", |
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154 | end_time, |
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155 | OPERATION_COUNT, |
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156 | 1, |
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157 | CALLING_OVERHEAD_MESSAGE_QUEUE_BROADCAST |
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158 | ); |
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159 | |
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160 | (void) rtems_message_queue_receive( |
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161 | Queue_id, |
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162 | (long (*)[4]) Buffer, |
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163 | &size, |
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164 | RTEMS_DEFAULT_OPTIONS, |
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165 | RTEMS_NO_TIMEOUT |
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166 | ); |
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167 | |
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168 | /* should go to Preempt_task here */ |
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169 | |
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170 | end_time = Read_timer(); |
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171 | |
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172 | put_time( |
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173 | "rtems_message_queue_broadcast: task readied -- preempts caller", |
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174 | end_time, |
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175 | 1, |
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176 | 0, |
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177 | CALLING_OVERHEAD_MESSAGE_QUEUE_BROADCAST |
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178 | ); |
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179 | |
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180 | puts( "*** END OF TEST 22 ***" ); |
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181 | exit( 0 ); |
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182 | } |
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183 | |
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184 | rtems_task Preempt_task( |
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185 | rtems_task_argument argument |
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186 | ) |
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187 | { |
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188 | rtems_unsigned32 count; |
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189 | |
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190 | Timer_initialize(); |
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191 | (void) rtems_message_queue_broadcast( |
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192 | Queue_id, |
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193 | (long (*)[4]) Buffer, |
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194 | 16, |
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195 | &count |
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196 | ); |
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197 | |
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198 | /* should be preempted by low task */ |
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199 | } |
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