1 | /* |
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2 | * Simple test program to demonstrate strict order mutex |
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3 | * |
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4 | */ |
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5 | |
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6 | #define CONFIGURE_INIT |
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7 | |
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8 | #include <bsp.h> |
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9 | #include <stdio.h> |
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10 | #include "tmacros.h" |
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11 | #include <rtems/score/coremutex.h> |
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12 | |
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13 | #define BACK_TYPE(_type_in_ptr,_type_out,_type_in_name) \ |
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14 | ((_type_out *)((unsigned int)_type_in_ptr - (unsigned int)(&((_type_out *)0)->_type_in_name))) |
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15 | |
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16 | |
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17 | /* configuration information */ |
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18 | |
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19 | #define CONFIGURE_APPLICATION_NEEDS_CONSOLE_DRIVER |
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20 | #define CONFIGURE_APPLICATION_NEEDS_CLOCK_DRIVER |
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21 | |
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22 | #define CONFIGURE_RTEMS_INIT_TASKS_TABLE |
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23 | |
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24 | #define CONFIGURE_EXTRA_TASK_STACKS (RTEMS_MINIMUM_STACK_SIZE * 3) |
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25 | |
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26 | #define CONFIGURE_MAXIMUM_TASKS 10 |
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27 | #define CONFIGURE_MAXIMUM_SEMAPHORES 10 |
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28 | |
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29 | |
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30 | void p_mutex_chain(Thread_Control *the_thread); |
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31 | rtems_task Task0(rtems_task_argument ignored); |
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32 | rtems_task Task1(rtems_task_argument ignored); |
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33 | rtems_task Init(rtems_task_argument ignored); |
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34 | rtems_task_priority Get_current_pri(void); |
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35 | |
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36 | |
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37 | #include <rtems/confdefs.h> |
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38 | |
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39 | |
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40 | |
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41 | rtems_id Task_id[4]; |
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42 | rtems_name Task_name[4]; |
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43 | |
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44 | rtems_id Mutex_id[4]; |
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45 | rtems_name Mutex_name[4]; |
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46 | |
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47 | rtems_task Init(rtems_task_argument ignored) |
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48 | { |
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49 | rtems_status_code status; |
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50 | printf("\n----------------TEST 36 ------------\n"); |
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51 | |
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52 | Mutex_name[0] = rtems_build_name( 'S','0',' ',' '); |
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53 | status = rtems_semaphore_create( |
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54 | Mutex_name[0], |
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55 | 1, |
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56 | RTEMS_LOCAL| |
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57 | RTEMS_SIMPLE_BINARY_SEMAPHORE| |
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58 | RTEMS_INHERIT_PRIORITY| |
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59 | RTEMS_PRIORITY, |
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60 | 0, |
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61 | &Mutex_id[0]); |
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62 | directive_failed( status, "rtems_semaphore_create of S0"); |
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63 | printf("Create S0, Inherit_priority\n"); |
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64 | |
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65 | Mutex_name[1] = rtems_build_name( 'S','1',' ',' '); |
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66 | status = rtems_semaphore_create( |
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67 | Mutex_name[1], |
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68 | 1, |
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69 | RTEMS_LOCAL| |
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70 | RTEMS_SIMPLE_BINARY_SEMAPHORE| |
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71 | RTEMS_PRIORITY_CEILING| |
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72 | RTEMS_PRIORITY, |
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73 | 1, |
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74 | &Mutex_id[1]); |
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75 | directive_failed( status, "rtems_semaphore_create of S1"); |
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76 | printf("Create S1, Priority_celling is 1\n"); |
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77 | |
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78 | Mutex_name[2] = rtems_build_name( 'S','Y','N','C'); |
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79 | |
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80 | |
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81 | Task_name[0] = rtems_build_name( 'T','0',' ',' '); |
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82 | status = rtems_task_create( |
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83 | Task_name[0], |
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84 | 4, |
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85 | RTEMS_MINIMUM_STACK_SIZE *2, |
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86 | RTEMS_DEFAULT_MODES, |
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87 | RTEMS_DEFAULT_ATTRIBUTES, |
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88 | &Task_id[0] |
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89 | ); |
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90 | directive_failed( status,"rtems_task_create of T0"); |
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91 | printf("Create T0,priority is 4\n"); |
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92 | |
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93 | |
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94 | |
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95 | status = rtems_task_start( Task_id[0],Task0, 0); |
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96 | directive_failed( status,"rtems_task_start of T0"); |
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97 | |
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98 | status = rtems_task_delete( RTEMS_SELF); |
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99 | directive_failed( status,"rtems_task_delete of INIT"); |
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100 | } |
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101 | |
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102 | |
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103 | rtems_task Task0(rtems_task_argument ignored) |
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104 | { |
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105 | rtems_status_code status; |
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106 | |
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107 | |
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108 | status = rtems_semaphore_obtain( |
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109 | Mutex_id[0], |
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110 | RTEMS_WAIT, |
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111 | 0); |
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112 | printf("T0 rtems_semaphore_obtain - S0\n"); |
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113 | directive_failed( status,"rtems_semaphore_obtain of S0\n"); |
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114 | printf("The current priority of T0 is %d\n",Get_current_pri()); |
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115 | |
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116 | status = rtems_semaphore_obtain( |
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117 | Mutex_id[1], |
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118 | RTEMS_WAIT, |
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119 | 0); |
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120 | printf("T0 rtems_semaphore_obtain - S1\n"); |
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121 | directive_failed( status,"rtems_semaphore_obtain of S1"); |
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122 | printf("The current priority of T0 is %d\n",Get_current_pri()); |
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123 | |
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124 | #ifdef __RTEMS_STRICT_ORDER_MUTEX__ |
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125 | status = rtems_semaphore_release( Mutex_id[0] ); |
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126 | printf("T0 - rtems_semaphore_release - S0\n"); |
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127 | if(status == CORE_MUTEX_RELEASE_NOT_ORDER) |
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128 | printf("T0 releasing S0 not in order\n"); |
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129 | #endif |
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130 | |
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131 | status = rtems_semaphore_release(Mutex_id[1]); |
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132 | printf("T0 - rtems_semaphore_release - S1\n"); |
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133 | directive_failed( status,"rtems_semaphore_release of S1\n"); |
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134 | printf("The current priority of T0 is %d\n",Get_current_pri()); |
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135 | |
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136 | |
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137 | Task_name[1] = rtems_build_name( 'T','1',' ',' '); |
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138 | status = rtems_task_create( |
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139 | Task_name[1], |
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140 | 1, |
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141 | RTEMS_MINIMUM_STACK_SIZE *2, |
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142 | RTEMS_DEFAULT_MODES, |
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143 | RTEMS_DEFAULT_ATTRIBUTES, |
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144 | &Task_id[1] |
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145 | ); |
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146 | directive_failed( status , "rtems_task_create of T1\n"); |
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147 | printf("Create S1,priority is 1\n"); |
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148 | |
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149 | |
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150 | status = rtems_task_start( Task_id[1],Task1, 0); |
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151 | directive_failed( status, "rtems_task_start of T1\n"); |
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152 | |
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153 | printf("The current priority of T0 is %d\n",Get_current_pri()); |
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154 | |
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155 | status = rtems_semaphore_release(Mutex_id[0]); |
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156 | printf("T0 - rtems_semaphore_release - S0\n"); |
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157 | directive_failed( status, "rtems_semaphore_release of S0\n"); |
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158 | |
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159 | } |
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160 | |
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161 | |
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162 | rtems_task Task1(rtems_task_argument ignored) |
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163 | { |
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164 | |
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165 | rtems_status_code status; |
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166 | status = rtems_semaphore_obtain( |
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167 | Mutex_id[0], |
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168 | RTEMS_WAIT, |
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169 | 0); |
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170 | printf("T1 - rtems_semaphore_obtain - S0"); |
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171 | directive_failed( status," rtems_semaphore_obtain S0"); |
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172 | } |
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173 | |
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174 | |
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175 | rtems_task_priority Get_current_pri(void) |
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176 | { |
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177 | rtems_status_code status; |
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178 | rtems_task_priority pri; |
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179 | status = rtems_task_set_priority(RTEMS_SELF, |
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180 | RTEMS_CURRENT_PRIORITY, |
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181 | &pri); |
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182 | directive_failed( status, " rtems_task_set_priority "); |
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183 | return pri; |
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184 | } |
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185 | |
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186 | /*void p_mutex_chain(Thread_Control *the_thread) |
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187 | { |
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188 | Chain_Control *con = &the_thread->lock_mutex; |
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189 | Chain_Node * node = con->first; |
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190 | CORE_mutex_Control * p_mutex ; |
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191 | |
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192 | if(!_Chain_Is_empty(&the_thread->lock_mutex)){ |
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193 | while(node != _Chain_Tail(con)){ |
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194 | p_mutex = BACK_TYPE(node,CORE_mutex_Control,queue); |
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195 | printf("node:Id=%p,priority_before=%d," |
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196 | "holder_id=%d,holder's current priority=%d\n",node, |
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197 | ((CORE_mutex_order_list *)node)->priority_before,p_mutex->holder_id,p_mutex->holder->current_priority); |
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198 | node = node->next; |
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199 | } |
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200 | } |
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201 | else |
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202 | printf("the Chain is empty\n"); |
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203 | } |
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204 | */ |
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