1 | /* Test_task |
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2 | * |
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3 | * This task suspends and resumes a remote task. |
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4 | * |
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5 | * Input parameters: |
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6 | * argument - task argument |
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7 | * |
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8 | * Output parameters: NONE |
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9 | * |
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10 | * COPYRIGHT (c) 1989-2009. |
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11 | * On-Line Applications Research Corporation (OAR). |
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12 | * |
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13 | * The license and distribution terms for this file may be |
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14 | * found in the file LICENSE in this distribution or at |
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15 | * http://www.rtems.org/license/LICENSE. |
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16 | */ |
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17 | |
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18 | #ifdef HAVE_CONFIG_H |
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19 | #include "config.h" |
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20 | #endif |
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21 | |
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22 | #include "system.h" |
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23 | |
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24 | /*PAGE |
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25 | * |
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26 | * Test_Task_Support |
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27 | * |
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28 | */ |
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29 | |
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30 | void Test_Task_Support( |
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31 | uint32_t node |
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32 | ) |
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33 | { |
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34 | rtems_event_set events; |
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35 | rtems_status_code status; |
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36 | |
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37 | if ( Multiprocessing_configuration.node == node ) { |
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38 | |
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39 | for ( ; ; ) { |
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40 | |
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41 | status = rtems_event_receive( |
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42 | RTEMS_EVENT_16, |
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43 | RTEMS_NO_WAIT, |
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44 | RTEMS_NO_TIMEOUT, |
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45 | &events |
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46 | ); |
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47 | |
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48 | if ( status == RTEMS_SUCCESSFUL ) |
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49 | break; |
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50 | |
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51 | fatal_directive_status(status, RTEMS_UNSATISFIED, "rtems_event_receive"); |
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52 | |
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53 | status = rtems_task_wake_after( 2 * rtems_clock_get_ticks_per_second() ); |
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54 | directive_failed( status, "rtems_task_wake_after" ); |
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55 | |
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56 | put_name( Task_name[ node ], FALSE ); |
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57 | puts( " - Suspending remote task" ); |
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58 | |
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59 | status = rtems_task_suspend( remote_tid ); |
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60 | directive_failed( status, "rtems_task_suspend" ); |
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61 | |
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62 | status = rtems_task_wake_after( 2 * rtems_clock_get_ticks_per_second() ); |
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63 | directive_failed( status, "rtems_task_wake_after" ); |
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64 | |
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65 | put_name( Task_name[ node ], FALSE ); |
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66 | puts( " - Resuming remote task" ); |
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67 | |
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68 | status = rtems_task_resume( remote_tid ) ; |
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69 | directive_failed( status, "rtems_task_resume" ); |
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70 | |
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71 | } |
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72 | |
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73 | } else { |
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74 | |
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75 | for ( ; ; ) { |
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76 | status = rtems_event_receive( |
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77 | RTEMS_EVENT_16, |
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78 | RTEMS_NO_WAIT, |
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79 | RTEMS_NO_TIMEOUT, |
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80 | &events |
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81 | ); |
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82 | |
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83 | if ( status == RTEMS_SUCCESSFUL ) |
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84 | break; |
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85 | |
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86 | fatal_directive_status(status, RTEMS_UNSATISFIED, "rtems_event_receive"); |
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87 | |
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88 | put_name( Task_name[ remote_node ], FALSE ); |
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89 | puts( " - have I been suspended???" ); |
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90 | |
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91 | status = rtems_task_wake_after( rtems_clock_get_ticks_per_second() / 2 ); |
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92 | directive_failed( status, "rtems_task_wake_after" ); |
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93 | } |
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94 | |
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95 | } |
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96 | |
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97 | } |
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98 | |
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99 | /*PAGE |
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100 | * |
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101 | * Test_task |
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102 | */ |
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103 | |
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104 | rtems_task Test_task( |
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105 | rtems_task_argument argument |
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106 | ) |
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107 | { |
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108 | rtems_id tid; |
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109 | rtems_status_code status; |
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110 | |
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111 | status = rtems_task_ident( RTEMS_SELF, RTEMS_SEARCH_ALL_NODES, &tid ); |
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112 | directive_failed( status, "rtems_task_ident" ); |
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113 | |
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114 | puts( "Getting TID of remote task" ); |
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115 | remote_node = (Multiprocessing_configuration.node == 1) ? 2 : 1; |
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116 | printf( "Remote task's name is : " ); |
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117 | put_name( Task_name[ remote_node ], TRUE ); |
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118 | |
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119 | do { |
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120 | status = rtems_task_ident( |
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121 | Task_name[ remote_node ], |
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122 | RTEMS_SEARCH_ALL_NODES, |
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123 | &remote_tid |
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124 | ); |
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125 | } while ( status != RTEMS_SUCCESSFUL ); |
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126 | |
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127 | directive_failed( status, "rtems_task_ident" ); |
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128 | |
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129 | status = rtems_timer_fire_after( |
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130 | Timer_id[ 1 ], |
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131 | 5 * rtems_clock_get_ticks_per_second(), |
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132 | Delayed_send_event, |
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133 | NULL |
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134 | ); |
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135 | directive_failed( status, "rtems_timer_fire_after" ); |
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136 | |
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137 | Test_Task_Support( 1 ); |
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138 | |
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139 | status = rtems_timer_fire_after( |
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140 | Timer_id[ 1 ], |
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141 | 5 * rtems_clock_get_ticks_per_second(), |
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142 | Delayed_send_event, |
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143 | NULL |
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144 | ); |
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145 | directive_failed( status, "rtems_timer_fire_after" ); |
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146 | |
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147 | if ( Multiprocessing_configuration.node == 1 ) { |
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148 | status = rtems_task_wake_after( 2 * rtems_clock_get_ticks_per_second() ); |
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149 | directive_failed( status, "rtems_task_wake_after" ); |
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150 | } |
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151 | |
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152 | Test_Task_Support( 2 ); |
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153 | |
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154 | puts( "*** END OF TEST 3 ***" ); |
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155 | rtems_test_exit( 0 ); |
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156 | } |
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