1 | /* |
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2 | * COPYRIGHT (c) 1989-2011. |
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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.com/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 "system.h" |
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15 | |
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16 | void Priority_test_driver( |
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17 | rtems_task_priority priority_base |
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18 | ) |
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19 | { |
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20 | rtems_task_priority previous_priority; |
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21 | uint32_t index; |
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22 | rtems_status_code status; |
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23 | |
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24 | for ( index = 1 ; index <= 5 ; index++ ) { |
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25 | switch ( index ) { |
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26 | case 1: |
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27 | case 2: |
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28 | case 3: |
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29 | Task_priority[ index ] = priority_base + index; |
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30 | break; |
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31 | default: |
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32 | Task_priority[ index ] = priority_base + 3; |
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33 | break; |
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34 | } |
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35 | |
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36 | status = rtems_task_create( |
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37 | Priority_task_name[ index ], |
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38 | Task_priority[ index ], |
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39 | RTEMS_MINIMUM_STACK_SIZE * 2, |
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40 | RTEMS_DEFAULT_MODES, |
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41 | RTEMS_DEFAULT_ATTRIBUTES, |
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42 | &Priority_task_id[ index ] |
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43 | ); |
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44 | directive_failed( status, "rtems_task_create loop" ); |
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45 | |
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46 | } |
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47 | |
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48 | if ( priority_base == 0 ) { |
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49 | for ( index = 1 ; index <= 5 ; index++ ) { |
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50 | status = rtems_task_start( |
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51 | Priority_task_id[ index ], |
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52 | Priority_task, |
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53 | index |
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54 | ); |
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55 | directive_failed( status, "rtems_task_start loop" ); |
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56 | } |
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57 | } else { |
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58 | for ( index = 5 ; index >= 1 ; index-- ) { |
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59 | status = rtems_task_start( |
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60 | Priority_task_id[ index ], |
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61 | Priority_task, |
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62 | index |
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63 | ); |
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64 | directive_failed( status, "rtems_task_start loop" ); |
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65 | |
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66 | status = rtems_task_wake_after( rtems_clock_get_ticks_per_second() ); |
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67 | directive_failed( status, "rtems_task_wake_after loop" ); |
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68 | |
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69 | if ( priority_base == PRIORITY_INHERIT_BASE_PRIORITY ) { |
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70 | if ( index == 4 ) { |
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71 | status = rtems_task_set_priority( |
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72 | Priority_task_id[ 5 ], |
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73 | priority_base + 4, |
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74 | &previous_priority |
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75 | ); |
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76 | printf( |
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77 | "PDRV - change priority of PRI5 from %" PRIdrtems_task_priority |
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78 | " to %" PRIdrtems_task_priority "\n", |
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79 | previous_priority, |
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80 | priority_base + 4 |
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81 | ); |
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82 | directive_failed( status, "PDRV rtems_task_set_priority" ); |
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83 | } |
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84 | status = rtems_task_set_priority( |
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85 | Priority_task_id[ 5 ], |
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86 | RTEMS_CURRENT_PRIORITY, |
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87 | &previous_priority |
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88 | ); |
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89 | directive_failed( status, "PDRV rtems_task_set_priority CURRENT" ); |
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90 | printf( |
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91 | "PDRV - priority of PRI5 is %" PRIdrtems_task_priority "\n", |
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92 | previous_priority |
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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 | status = rtems_task_wake_after( rtems_clock_get_ticks_per_second() ); |
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99 | directive_failed( status, "rtems_task_wake_after after loop" ); |
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100 | |
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101 | if ( priority_base == 0 ) { |
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102 | for ( index = 1 ; index <= 5 ; index++ ) { |
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103 | status = rtems_semaphore_release( Semaphore_id[ 2 ] ); |
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104 | directive_failed( status, "rtems_semaphore_release loop" ); |
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105 | } |
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106 | } |
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107 | |
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108 | if ( priority_base == PRIORITY_INHERIT_BASE_PRIORITY ) { |
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109 | puts( "PDRV - rtems_task_resume - PRI5" ); |
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110 | status = rtems_task_resume( Priority_task_id[ 5 ] ); |
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111 | directive_failed( status, "rtems_task_resume" ); |
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112 | |
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113 | status = rtems_task_wake_after( rtems_clock_get_ticks_per_second() ); |
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114 | directive_failed( status, "rtems_task_wake_after so PRI5 can run" ); |
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115 | |
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116 | status = rtems_task_delete( Priority_task_id[ 5 ] ); |
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117 | directive_failed( status, "rtems_task_delete of PRI5" ); |
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118 | } else { |
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119 | for ( index = 1 ; index <= 5 ; index++ ) { |
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120 | status = rtems_task_delete( Priority_task_id[ index ] ); |
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121 | directive_failed( status, "rtems_task_delete loop" ); |
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122 | } |
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123 | } |
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124 | } |
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