1 | /* |
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2 | * COPYRIGHT (c) 1989-2012. |
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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 <tmacros.h> |
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15 | #include <unistd.h> |
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16 | |
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17 | /* forward declarations to avoid warnings */ |
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18 | rtems_task Init(rtems_task_argument argument); |
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19 | rtems_task Blocker(rtems_task_argument ignored); |
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20 | |
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21 | rtems_id Region; |
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22 | uint32_t Region_Memory[256] CPU_STRUCTURE_ALIGNMENT; |
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23 | volatile bool case_hit; |
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24 | |
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25 | #define FIRST_ALLOC 980 |
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26 | #define BLOCK_ALLOC 900 |
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27 | #define RESIZE 16 |
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28 | |
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29 | rtems_task Blocker( |
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30 | rtems_task_argument ignored |
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31 | ) |
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32 | { |
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33 | rtems_status_code sc; |
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34 | void *segment_address_1; |
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35 | |
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36 | puts( "Blocker - rtems_region_get_segment - OK"); |
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37 | sc = rtems_region_get_segment( |
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38 | Region, |
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39 | BLOCK_ALLOC, |
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40 | RTEMS_DEFAULT_OPTIONS, |
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41 | RTEMS_NO_TIMEOUT, |
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42 | &segment_address_1 |
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43 | ); |
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44 | directive_failed( sc, "rtems_region_get_segment" ); |
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45 | |
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46 | puts( "Blocker - Got memory after resize" ); |
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47 | case_hit = true; |
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48 | |
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49 | (void) rtems_task_delete( RTEMS_SELF ); |
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50 | } |
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51 | |
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52 | rtems_task Init( |
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53 | rtems_task_argument ignored |
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54 | ) |
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55 | { |
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56 | rtems_id task_id; |
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57 | rtems_status_code sc; |
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58 | void *segment_address_1; |
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59 | uintptr_t old_size; |
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60 | size_t size; |
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61 | |
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62 | puts( "\n\n*** TEST 62 ***" ); |
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63 | |
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64 | puts( "Init - rtems_task_create Blocker - OK" ); |
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65 | sc = rtems_task_create( |
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66 | rtems_build_name( 'B', 'L', 'C', 'K' ), |
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67 | 1, |
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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 | &task_id |
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72 | ); |
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73 | directive_failed( sc, "rtems_task_create of Blocker" ); |
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74 | |
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75 | puts( "Init - rtems_task_start Blocker - OK" ); |
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76 | sc = rtems_task_start( task_id, Blocker, 0 ); |
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77 | directive_failed( sc, "rtems_task_start of Blocker" ); |
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78 | |
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79 | puts( "Init - rtems_task_create Region - OK" ); |
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80 | sc = rtems_region_create( |
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81 | rtems_build_name( 'R', 'N', '1', ' ' ), |
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82 | Region_Memory, |
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83 | sizeof(Region_Memory), |
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84 | 16, |
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85 | RTEMS_DEFAULT_ATTRIBUTES, |
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86 | &Region |
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87 | ); |
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88 | directive_failed( sc, "rtems_region_create" ); |
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89 | |
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90 | puts( "Init - rtems_region_get_segment - OK"); |
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91 | sc = rtems_region_get_segment( |
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92 | Region, |
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93 | FIRST_ALLOC, |
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94 | RTEMS_DEFAULT_OPTIONS, |
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95 | RTEMS_NO_TIMEOUT, |
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96 | &segment_address_1 |
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97 | ); |
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98 | directive_failed( sc, "rtems_region_get_segment" ); |
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99 | |
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100 | puts( "Init - sleep 1 second for Blocker - OK"); |
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101 | sleep(1); |
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102 | |
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103 | /* Check resize_segment errors */ |
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104 | sc = rtems_region_resize_segment( |
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105 | Region, segment_address_1, RESIZE, &old_size); |
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106 | directive_failed( sc, "rtems_region_resize_segment" ); |
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107 | |
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108 | case_hit = false; |
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109 | |
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110 | puts( "Init - sleep 1 second for Blocker to run again - OK"); |
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111 | sleep(1); |
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112 | |
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113 | if ( case_hit ) { |
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114 | puts( "Init - successfully resized and unblocked a task" ); |
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115 | } else { |
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116 | puts( "Init - failed to resize and unblock a task" ); |
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117 | rtems_test_exit(0); |
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118 | } |
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119 | |
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120 | /* |
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121 | * Now resize and take all of memory so there is no need to |
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122 | * process any blocked tasks waiting for memory. |
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123 | */ |
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124 | |
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125 | size = sizeof(Region_Memory); |
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126 | while (1) { |
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127 | sc = rtems_region_resize_segment( |
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128 | Region, segment_address_1, size, &old_size); |
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129 | if ( sc == RTEMS_UNSATISFIED ) { |
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130 | size --; |
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131 | if ( size ) |
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132 | continue; |
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133 | } |
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134 | directive_failed( sc, "rtems_region_resize_segment" ); |
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135 | if ( sc == RTEMS_SUCCESSFUL ) |
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136 | break; |
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137 | |
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138 | } |
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139 | if ( sc == RTEMS_SUCCESSFUL && size != 0 ) |
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140 | puts( "Init - resized to all of available memory" ); |
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141 | |
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142 | puts( "*** END OF TEST 62 ***" ); |
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143 | rtems_test_exit(0); |
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144 | } |
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145 | |
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146 | /* configuration information */ |
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147 | |
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148 | #define CONFIGURE_APPLICATION_NEEDS_CONSOLE_DRIVER |
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149 | #define CONFIGURE_APPLICATION_NEEDS_CLOCK_DRIVER |
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150 | |
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151 | #define CONFIGURE_MAXIMUM_TASKS 2 |
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152 | #define CONFIGURE_MAXIMUM_REGIONS 1 |
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153 | #define CONFIGURE_RTEMS_INIT_TASKS_TABLE |
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154 | |
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155 | #define CONFIGURE_INIT |
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156 | #include <rtems/confdefs.h> |
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157 | |
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158 | /* global variables */ |
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