1 | #define CONFIGURE_INIT |
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2 | #include "system.h" |
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3 | #include <sched.h> |
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4 | #include <fcntl.h> |
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5 | #include <time.h> |
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6 | #include <tmacros.h> |
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7 | |
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8 | void *POSIX_Init( |
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9 | void *argument |
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10 | ) |
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11 | { |
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12 | int status; |
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13 | int value; |
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14 | int i; |
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15 | sem_t sems[CONFIGURE_MAXIMUM_POSIX_SEMAPHORES]; |
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16 | sem_t sem2; |
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17 | sem_t *n_sem1; |
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18 | sem_t *n_sem2; |
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19 | struct timespec waittime; |
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20 | char failure_msg[80]; |
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21 | |
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22 | puts( "\n\n*** POSIX SEMAPHORE MANAGER TEST 1 ***" ); |
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23 | |
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24 | puts( "Init: sem_init - SUCCESSFUL" ); |
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25 | for (i = 0; i < CONFIGURE_MAXIMUM_POSIX_SEMAPHORES; i++) { |
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26 | status = sem_init(&sems[i], 0, i); |
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27 | sprintf(failure_msg, "sem_init %d", i ); |
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28 | fatal_posix_service_status( status, 0, failure_msg); |
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29 | } |
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30 | puts( "Init: sem_init - UNSUCCESSFUL (ENOSPC)" ); |
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31 | status = sem_init(&sem2, 0, 1); |
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32 | fatal_posix_service_status( status, -1, "sem_init error return status"); |
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33 | fatal_posix_service_status( errno, ENOSPC, "sem_init errorno ENOSPC" ); |
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34 | |
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35 | puts( "Init: sem_init - UNSUCCESSFUL (ENOSYS -- pshared not supported)" ); |
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36 | status = sem_init(&sem2, 1, 1); |
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37 | fatal_posix_service_status( status, -1, "sem_init error return status"); |
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38 | fatal_posix_service_status( errno, ENOSYS, "sem_init errno set to ENOSYS"); |
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39 | |
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40 | puts( "Init: sem_getvalue - SUCCESSFUL "); |
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41 | for (i = 0; i < CONFIGURE_MAXIMUM_POSIX_SEMAPHORES; i++) { |
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42 | status = sem_getvalue(&sems[i], &value); |
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43 | sprintf( failure_msg, "sem_getvalue %d", i ); |
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44 | fatal_posix_service_status( status, 0, failure_msg ); |
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45 | fatal_posix_service_status( value, i, "sem_getvalue correct value" ); |
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46 | } |
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47 | puts( "Init: sem_getvalue - UNSUCCESSFUL "); |
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48 | status = sem_getvalue(&sem2, &value); |
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49 | fatal_posix_service_status( status, -1, "sem_getvalue error return status"); |
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50 | fatal_posix_service_status( errno, EINVAL, "sem_getvalue errno EINVAL"); |
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51 | |
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52 | puts( "Init: sem_destroy - SUCCESSFUL" ); |
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53 | status = sem_destroy(&sems[0]); |
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54 | fatal_posix_service_status( status, 0, "sem_destroy semaphore 0"); |
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55 | |
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56 | puts( "Init: sem_destroy - UNSUCCESSFUL (EINVAL)" ); |
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57 | status = sem_destroy(&sem2); |
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58 | fatal_posix_service_status( status, -1, "sem_destroy error return status"); |
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59 | fatal_posix_service_status( errno, EINVAL, "sem_destroy errno EINVAL"); |
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60 | |
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61 | puts( "Init: sem_wait - SUCCESSFUL" ); |
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62 | status = sem_wait(&sems[1]); |
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63 | fatal_posix_service_status( status, 0, "sem_wait semaphore 1"); |
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64 | /* sem[1].count = 0 */ |
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65 | |
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66 | puts( "Init: sem_wait - UNSUCCESSFUL (EINVAL)" ); |
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67 | status = sem_wait(&sem2); |
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68 | fatal_posix_service_status( status, -1, "sem_wait error return status"); |
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69 | fatal_posix_service_status( errno, EINVAL, "sem_wait errno EINVAL"); |
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70 | |
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71 | puts( "Init: sem_post - SUCCESSFUL" ); |
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72 | status = sem_post(&sems[1]); |
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73 | fatal_posix_service_status( status, 0, "sem_post semaphore 1"); |
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74 | /* sem[1].count = 1 */ |
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75 | |
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76 | puts( "Init: sem_wait - SUCCESSFUL (after a sem_post)" ); |
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77 | status = sem_wait(&sems[1]); |
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78 | fatal_posix_service_status( status, 0, "sem_wait semaphore 1"); |
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79 | /* sem[1].count = 0 */ |
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80 | |
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81 | puts( "Init: sem_trywait - SUCCESSFUL" ); |
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82 | status = sem_trywait(&sems[2]); |
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83 | fatal_posix_service_status( status, 0, "sem_trywait semaphore 2"); |
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84 | /* sem[2].count = 1 */ |
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85 | |
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86 | puts( "Init: sem_trywait - UNSUCCESSFUL (EAGAIN)" ); |
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87 | status = sem_trywait(&sems[1]); |
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88 | fatal_posix_service_status( status, -1, "sem_trywait error return status"); |
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89 | fatal_posix_service_status( errno, EAGAIN, "sem_trywait errno EAGAIN"); |
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90 | /* sem[1].count = 0 */ |
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91 | |
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92 | puts( "Init: sem_trywait - UNSUCCESSFUL (EINVAL)" ); |
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93 | status = sem_trywait(&sem2); |
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94 | fatal_posix_service_status( status, -1, "sem_trywait error return status"); |
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95 | fatal_posix_service_status( errno, EINVAL, "sem_trywait errno EINVAL"); |
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96 | |
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97 | #if 0 |
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98 | status = sem_post(&sems[2]); |
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99 | fatal_posix_service_status( status, 0, "sem_post semaphore 2"); |
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100 | /* sem[2].count = 2 */ |
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101 | #else |
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102 | /* sem[2].count = 1 */ |
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103 | #endif |
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104 | |
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105 | puts( "Init: sem_timedwait - SUCCESSFUL" ); |
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106 | waittime.tv_sec = time(NULL) + 1; |
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107 | waittime.tv_nsec = 100; |
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108 | status = sem_timedwait(&sems[2], &waittime); |
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109 | fatal_posix_service_status( status, 0, "sem_timedwait semaphore 2"); |
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110 | /* sem[2].count = 0 */ |
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111 | |
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112 | puts( "Init: sem_timedwait - UNSUCCESSFUL (ETIMEDOUT)" ); |
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113 | status = sem_timedwait(&sems[2], &waittime); |
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114 | fatal_posix_service_status( status, -1, "sem_timedwait error return status"); |
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115 | fatal_posix_service_status( errno, ETIMEDOUT, "sem_timedwait errno ETIMEDOUT"); |
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116 | |
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117 | |
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118 | /* |
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119 | * To do this case, we must be blocking when we want the semaphore. |
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120 | * POSIX doesn't want you to check the error if you can get the resource. |
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121 | */ |
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122 | |
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123 | #if 1 |
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124 | puts( "Init: sem_timedwait - UNSUCCESSFUL (EINVAL) -- skipping" ); |
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125 | #else |
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126 | puts( "Init: sem_timedwait - UNSUCCESSFUL (EINVAL)" ); |
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127 | waittime.tv_sec = 0; |
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128 | waittime.tv_nsec = 0x7FFFFFFF; |
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129 | status = sem_timedwait(&sems[2], &waittime); |
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130 | fatal_posix_service_status( status, -1, "sem_timedwait error return status"); |
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131 | fatal_posix_service_status( errno, EINVAL, "sem_init errno EINVAL"); |
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132 | #endif |
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133 | |
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134 | puts( "Init: sem_post - UNSUCCESSFUL (EINVAL)" ); |
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135 | status = sem_post(&sem2); |
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136 | fatal_posix_service_status( status, -1, "sem_post error return status"); |
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137 | fatal_posix_service_status( errno, EINVAL, "sem_post errno EINVAL"); |
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138 | |
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139 | puts( "Init: sem_destroy - SUCCESSFUL" ); |
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140 | for (i = 1; i < CONFIGURE_MAXIMUM_POSIX_SEMAPHORES; i++) { |
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141 | status = sem_destroy(&sems[i]); |
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142 | sprintf( failure_msg, "sem_destroy %d", i ); |
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143 | fatal_posix_service_status( status, 0, failure_msg ); |
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144 | } |
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145 | |
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146 | /* Modes are currently unsupported */ |
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147 | |
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148 | /* |
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149 | * Validate all sem_open return paths. |
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150 | */ |
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151 | |
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152 | puts( "Init: sem_open - sem1 SUCCESSFUL" ); |
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153 | n_sem1 = sem_open( "sem1", O_CREAT, 00777, 1 ); |
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154 | assert( n_sem1 != SEM_FAILED ); |
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155 | |
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156 | puts( "Init: sem_open - Create an Existing sem (EEXIST)" ); |
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157 | n_sem2 = sem_open("sem1", O_CREAT | O_EXCL, 00777, 1); |
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158 | fatal_posix_service_status( |
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159 | (int) n_sem2, (int ) SEM_FAILED, "sem_open error return status" ); |
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160 | fatal_posix_service_status( errno, EEXIST, "sem_open errno EEXIST"); |
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161 | |
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162 | puts( "Init: sem_open - Open new sem without create flag (ENOENT)" ); |
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163 | n_sem2 = sem_open("sem3", O_EXCL, 00777, 1); |
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164 | fatal_posix_service_status( |
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165 | (int) n_sem2, (int ) SEM_FAILED, "sem_open error return status" ); |
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166 | fatal_posix_service_status( errno, ENOENT, "sem_open errno EEXIST"); |
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167 | |
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168 | /* |
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169 | * XXX - Could not hit the following errors: |
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170 | * E_POSIX_Semaphore_Create_support only fails if |
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171 | * ENOSYS - When semaphore is shared between processes. |
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172 | * ENOSPC - When out of memory. |
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173 | */ |
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174 | |
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175 | /* |
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176 | * Validate we can wait on a semaphore opened with sem_open. |
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177 | */ |
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178 | |
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179 | puts( "Init: sem_wait on sem1" ); |
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180 | status = sem_wait(n_sem1); |
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181 | fatal_posix_service_status( status, 0, "sem_wait opened semaphore"); |
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182 | |
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183 | /* |
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184 | * Validate a second open returns the same semaphore. |
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185 | */ |
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186 | |
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187 | puts( "Init: sem_open - Open an existing sem ( same id )" ); |
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188 | n_sem2 = sem_open("sem1", 0 ); |
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189 | fatal_posix_service_status( |
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190 | (int) n_sem2, (int ) n_sem1, "sem_open error return status" ); |
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191 | |
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192 | /* |
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193 | * Unlink the semaphore, then verify an open of the same name produces a |
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194 | * different semaphore. |
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195 | */ |
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196 | |
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197 | puts( "Init: sem_unlink - sem1 SUCCESSFUL" ); |
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198 | status = sem_unlink( "sem1" ); |
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199 | fatal_posix_service_status( status, 0, "sem_unlink locked semaphore"); |
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200 | |
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201 | puts( "Init: sem_open - Reopen sem1 SUCCESSFUL with a different id" ); |
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202 | n_sem2 = sem_open( "sem1", O_CREAT | O_EXCL, 00777, 1); |
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203 | assert( n_sem2 != SEM_FAILED ); |
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204 | assert( n_sem2 != n_sem1 ); |
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205 | |
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206 | /* |
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207 | * Validate we can call close on a semaphore opened with sem_open. |
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208 | */ |
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209 | |
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210 | puts( "Init: sem_close (1) - SUCCESSFUL" ); |
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211 | status = sem_close( n_sem1 ); |
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212 | fatal_posix_service_status( status, 0, "sem_close semaphore"); |
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213 | |
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214 | |
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215 | /* |
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216 | * Validate it n_sem2 (the last open for sem1 name can be |
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217 | * correctly closed and unlinked. |
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218 | */ |
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219 | |
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220 | puts( "Init: sem_close (2) - SUCCESSFUL" ); |
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221 | status = sem_close( n_sem2 ); |
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222 | fatal_posix_service_status( status, 0, "sem_close semaphore"); |
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223 | |
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224 | puts( "Init: sem_unlink - sem1 (2) SUCCESSFUL" ); |
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225 | status = sem_unlink( "sem1" ); |
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226 | fatal_posix_service_status( status, 0, "sem_unlink locked semaphore"); |
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227 | |
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228 | puts( "Init: sem_close - UNSUCCESSFUL (EINVAL)" ); |
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229 | status = sem_close(n_sem2); |
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230 | fatal_posix_service_status( status, -1, "sem_close error return status"); |
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231 | fatal_posix_service_status( errno, EINVAL, "sem_close errno EINVAL"); |
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232 | |
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233 | puts( "Init: sem_unlink - UNSUCCESSFUL (ENOENT)" ); |
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234 | status = sem_unlink("sem1"); |
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235 | fatal_posix_service_status( status, -1, "sem_unlink error return status"); |
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236 | fatal_posix_service_status( errno, ENOENT, "sem_close errno EINVAL"); |
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237 | |
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238 | |
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239 | /* |
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240 | * Validate we can unlink (2) |
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241 | */ |
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242 | |
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243 | puts( "Init: sem_unlink (NULL) - EINVAL" ); |
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244 | status = sem_unlink( NULL ); |
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245 | fatal_posix_service_status( status, -1, "sem_unlink error return status"); |
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246 | fatal_posix_service_status( errno, EINVAL, "sem_unlink errno value"); |
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247 | |
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248 | puts( "Init: sem_unlink (\"\") - EINVAL" ); |
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249 | status = sem_unlink( "" ); |
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250 | fatal_posix_service_status( status, -1, "sem_unlink error return status"); |
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251 | fatal_posix_service_status( errno, EINVAL, "sem_unlink errno value"); |
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252 | |
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253 | /* |
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254 | * XXX - Cant' create location OBJECTS_ERROR or OBJECTS_REMOTE. |
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255 | * sem_close and sem_unlink. |
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256 | */ |
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257 | |
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258 | puts( "Init: sem_unlink - UNSUCCESSFUL (ENOENT)" ); |
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259 | status = sem_unlink("sem2"); |
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260 | fatal_posix_service_status( status, -1, "sem_unlink error return status"); |
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261 | fatal_posix_service_status( errno, ENOENT, "sem_unlink errno ENOENT"); |
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262 | assert( (status == -1) && (errno == ENOENT) ); |
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263 | |
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264 | |
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265 | /* Try adding in unlinking before closing... (can we still open?) */ |
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266 | |
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267 | puts( "*** END OF POSIX SEMAPHORE MANAGER TEST 1 ***" ); |
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268 | rtems_test_exit(0); |
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269 | |
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270 | return NULL; /* just so the compiler thinks we returned something */ |
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271 | } |
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