1 | /* |
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2 | * This test exercises the POSIX RWLock manager. |
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3 | * |
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4 | * COPYRIGHT (c) 1989-2009. |
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5 | * On-Line Applications Research Corporation (OAR). |
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6 | * |
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7 | * The license and distribution terms for this file may be |
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8 | * found in the file LICENSE in this distribution or at |
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9 | * http://www.rtems.com/license/LICENSE. |
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10 | * |
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11 | * $Id$ |
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12 | */ |
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13 | |
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14 | #include "tmacros.h" |
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15 | #include <stdio.h> |
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16 | #include <errno.h> |
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17 | #include <stdlib.h> |
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18 | |
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19 | /* #define __USE_XOPEN2K XXX already defined on GNU/Linux */ |
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20 | #include <pthread.h> |
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21 | |
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22 | #if !HAVE_DECL_PTHREAD_RWLOCK_UNLOCK |
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23 | /* FIXME: Newlib should provide the decl. */ |
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24 | extern int pthread_rwlock_unlock(pthread_rwlock_t *rwlock); |
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25 | #endif |
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26 | |
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27 | #define NUMBER_THREADS 2 |
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28 | pthread_t ThreadIds[NUMBER_THREADS]; |
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29 | pthread_rwlock_t RWLock; |
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30 | |
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31 | /* |
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32 | * Test thread to block for read lock and unlock it |
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33 | */ |
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34 | void *ReadLockThread(void *arg) |
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35 | { |
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36 | int status; |
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37 | |
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38 | puts( "ReadThread - pthread_rwlock_rdlock(RWLock) blocking -- OK" ); |
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39 | status = pthread_rwlock_rdlock(&RWLock); |
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40 | rtems_test_assert( !status ); |
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41 | puts( "ReadThread - pthread_rwlock_rdlock(RWLock) unblocked -- OK" ); |
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42 | |
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43 | status = pthread_rwlock_unlock(&RWLock); |
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44 | rtems_test_assert( !status ); |
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45 | return NULL; |
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46 | } |
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47 | |
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48 | /* |
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49 | * Test thread to block for write lock and unlock it |
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50 | */ |
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51 | void *WriteLockThread(void *arg) |
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52 | { |
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53 | int status; |
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54 | |
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55 | puts( "WriteThread - pthread_rwlock_wrlock(RWLock) blocking -- OK" ); |
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56 | status = pthread_rwlock_wrlock(&RWLock); |
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57 | rtems_test_assert( !status ); |
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58 | puts( "WriteThread - pthread_rwlock_wrlock(RWLock) unblocked -- OK" ); |
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59 | |
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60 | sleep( 1 ); |
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61 | |
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62 | puts( "WriteThread - pthread_rwlock_unlock(RWLock) -- OK" ); |
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63 | status = pthread_rwlock_unlock(&RWLock); |
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64 | rtems_test_assert( !status ); |
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65 | return NULL; |
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66 | } |
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67 | |
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68 | /* |
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69 | * main entry point to the test |
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70 | */ |
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71 | |
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72 | #if defined(__rtems__) |
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73 | int test_main(void) |
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74 | #else |
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75 | int main( |
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76 | int argc, |
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77 | char **argv |
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78 | ) |
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79 | #endif |
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80 | { |
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81 | pthread_rwlock_t rwlock; |
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82 | pthread_rwlockattr_t attr; |
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83 | int status; |
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84 | int p; |
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85 | int i; |
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86 | struct timespec abstime; |
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87 | |
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88 | puts( "\n\n*** POSIX RWLOCK TEST 01 ***" ); |
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89 | |
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90 | /*************** NULL POINTER CHECKS *****************/ |
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91 | puts( "pthread_rwlockattr_init( NULL ) -- EINVAL" ); |
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92 | status = pthread_rwlockattr_init( NULL ); |
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93 | rtems_test_assert( status == EINVAL ); |
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94 | |
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95 | puts( "pthread_rwlockattr_setpshared( NULL, private ) -- EINVAL" ); |
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96 | status = pthread_rwlockattr_setpshared( NULL, PTHREAD_PROCESS_PRIVATE ); |
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97 | rtems_test_assert( status == EINVAL ); |
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98 | |
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99 | puts( "pthread_rwlockattr_setpshared( NULL, shared ) -- EINVAL" ); |
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100 | status = pthread_rwlockattr_setpshared( NULL, PTHREAD_PROCESS_SHARED ); |
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101 | rtems_test_assert( status == EINVAL ); |
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102 | |
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103 | puts( "pthread_rwlockattr_getpshared( NULL, &p ) -- EINVAL" ); |
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104 | status = pthread_rwlockattr_getpshared( NULL, &p ); |
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105 | rtems_test_assert( status == EINVAL ); |
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106 | |
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107 | puts( "pthread_rwlockattr_destroy( NULL ) -- EINVAL" ); |
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108 | status = pthread_rwlockattr_destroy( NULL ); |
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109 | rtems_test_assert( status == EINVAL ); |
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110 | |
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111 | /*************** NOT INITIALIZED CHECKS *****************/ |
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112 | /* cheat visibility */ |
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113 | attr.is_initialized = 0; |
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114 | puts( "pthread_rwlockattr_setpshared( &attr, shared ) -- EINVAL" ); |
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115 | status = pthread_rwlockattr_setpshared( &attr, PTHREAD_PROCESS_SHARED ); |
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116 | rtems_test_assert( status == EINVAL ); |
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117 | |
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118 | puts( "pthread_rwlockattr_getpshared( &attr, NULL ) -- EINVAL" ); |
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119 | status = pthread_rwlockattr_getpshared( &attr, NULL ); |
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120 | rtems_test_assert( status == EINVAL ); |
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121 | |
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122 | puts( "pthread_rwlockattr_destroy( &attr ) -- EINVAL" ); |
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123 | status = pthread_rwlockattr_destroy( &attr ); |
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124 | rtems_test_assert( status == EINVAL ); |
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125 | |
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126 | /*************** BAD PSHARED CHECK *****************/ |
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127 | puts( "pthread_rwlockattr_setpshared( &attr, private ) -- EINVAL" ); |
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128 | status = pthread_rwlockattr_setpshared( &attr, ~PTHREAD_PROCESS_PRIVATE ); |
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129 | rtems_test_assert( status == EINVAL ); |
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130 | |
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131 | /*************** ACTUALLY WORK THIS TIME *****************/ |
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132 | puts( "pthread_rwlockattr_init( &attr ) -- OK" ); |
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133 | status = pthread_rwlockattr_init( &attr ); |
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134 | rtems_test_assert( status == 0 ); |
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135 | |
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136 | puts( "pthread_rwlockattr_setpshared( &attr, private ) -- OK" ); |
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137 | status = pthread_rwlockattr_setpshared( &attr, PTHREAD_PROCESS_PRIVATE ); |
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138 | rtems_test_assert( status == 0 ); |
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139 | |
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140 | puts( "pthread_rwlockattr_getpshared( &attr, &p ) -- OK" ); |
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141 | status = pthread_rwlockattr_getpshared( &attr, &p ); |
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142 | rtems_test_assert( status == 0 ); |
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143 | rtems_test_assert( p == PTHREAD_PROCESS_PRIVATE ); |
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144 | |
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145 | puts( "pthread_rwlockattr_setpshared( &attr, shared ) -- OK" ); |
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146 | status = pthread_rwlockattr_setpshared( &attr, PTHREAD_PROCESS_SHARED ); |
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147 | rtems_test_assert( status == 0 ); |
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148 | |
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149 | puts( "pthread_rwlockattr_getpshared( &attr, &p ) -- OK" ); |
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150 | status = pthread_rwlockattr_getpshared( &attr, &p ); |
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151 | rtems_test_assert( status == 0 ); |
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152 | rtems_test_assert( p == PTHREAD_PROCESS_SHARED ); |
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153 | |
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154 | /*************** DESTROY/REUSE CHECK *****************/ |
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155 | puts( "pthread_rwlockattr_destroy( &attr ) -- OK" ); |
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156 | status = pthread_rwlockattr_destroy( &attr ); |
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157 | rtems_test_assert( status == 0 ); |
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158 | |
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159 | puts( "pthread_rwlockattr_getpshared( &attr, &p ) destroyed -- EINVAL" ); |
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160 | status = pthread_rwlockattr_getpshared( &attr, &p ); |
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161 | rtems_test_assert( status == EINVAL ); |
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162 | |
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163 | /*************** NULL ARGUMENT CHECKS *****************/ |
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164 | abstime.tv_sec = 0; |
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165 | abstime.tv_nsec = 0; |
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166 | |
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167 | puts( "pthread_rwlock_init(NULL, &attr) -- EINVAL" ); |
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168 | status = pthread_rwlock_init(NULL, &attr); |
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169 | rtems_test_assert( status == EINVAL ); |
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170 | |
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171 | puts( "pthread_rwlock_destroy(NULL) -- EINVAL" ); |
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172 | status = pthread_rwlock_destroy(NULL); |
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173 | rtems_test_assert( status == EINVAL ); |
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174 | |
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175 | puts( "pthread_rwlock_rdlock(NULL) -- EINVAL" ); |
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176 | status = pthread_rwlock_rdlock(NULL); |
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177 | rtems_test_assert( status == EINVAL ); |
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178 | |
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179 | puts( "pthread_rwlock_timedrdlock( NULL, &abstime) -- EINVAL" ); |
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180 | status = pthread_rwlock_timedrdlock( NULL, &abstime); |
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181 | rtems_test_assert( status == EINVAL ); |
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182 | |
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183 | puts( "pthread_rwlock_timedrdlock( &rwlock, NULL) -- EINVAL" ); |
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184 | status = pthread_rwlock_timedrdlock( &rwlock, NULL); |
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185 | rtems_test_assert( status == EINVAL ); |
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186 | |
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187 | puts( "pthread_rwlock_tryrdlock(NULL) -- EINVAL" ); |
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188 | status = pthread_rwlock_tryrdlock(NULL); |
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189 | rtems_test_assert( status == EINVAL ); |
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190 | |
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191 | puts( "pthread_rwlock_wrlock(NULL) -- EINVAL" ); |
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192 | status = pthread_rwlock_wrlock(NULL); |
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193 | rtems_test_assert( status == EINVAL ); |
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194 | |
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195 | puts( "pthread_rwlock_timedwrlock( NULL, &abstime) -- EINVAL" ); |
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196 | status = pthread_rwlock_timedwrlock( NULL, &abstime ); |
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197 | rtems_test_assert( status == EINVAL ); |
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198 | |
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199 | puts( "pthread_rwlock_timedwrlock( &rwlock, NULL) -- EINVAL" ); |
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200 | status = pthread_rwlock_timedwrlock( &rwlock, NULL); |
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201 | rtems_test_assert( status == EINVAL ); |
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202 | |
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203 | puts( "pthread_rwlock_trywrlock(NULL) -- EINVAL" ); |
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204 | status = pthread_rwlock_trywrlock(NULL); |
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205 | rtems_test_assert( status == EINVAL ); |
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206 | |
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207 | puts( "pthread_rwlock_unlock(NULL) -- EINVAL" ); |
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208 | status = pthread_rwlock_unlock(NULL); |
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209 | rtems_test_assert( status == EINVAL ); |
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210 | |
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211 | /*************** BAD ID CHECK *****************/ |
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212 | rwlock = 1; |
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213 | /* make a valid abstime */ |
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214 | puts( "clock_gettime(CLOCK_REALTIME, &abstime) -- OK" ); |
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215 | status = clock_gettime( CLOCK_REALTIME, &abstime ); |
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216 | rtems_test_assert( !status ); |
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217 | abstime.tv_sec += 5; |
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218 | |
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219 | puts( "pthread_rwlock_destroy(BadId) -- EINVAL" ); |
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220 | status = pthread_rwlock_destroy(&rwlock); |
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221 | rtems_test_assert( status == EINVAL ); |
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222 | |
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223 | puts( "pthread_rwlock_rdlock(BadId) -- EINVAL" ); |
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224 | status = pthread_rwlock_rdlock(&rwlock); |
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225 | rtems_test_assert( status == EINVAL ); |
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226 | |
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227 | puts( "pthread_rwlock_timedrdlock(BadId, &abstime) -- EINVAL" ); |
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228 | status = pthread_rwlock_timedrdlock( &rwlock, &abstime); |
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229 | rtems_test_assert( status == EINVAL ); |
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230 | |
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231 | puts( "pthread_rwlock_tryrdlock(BadId) -- EINVAL" ); |
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232 | status = pthread_rwlock_tryrdlock(&rwlock); |
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233 | rtems_test_assert( status == EINVAL ); |
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234 | |
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235 | puts( "pthread_rwlock_wrlock(BadId) -- EINVAL" ); |
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236 | status = pthread_rwlock_wrlock(&rwlock); |
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237 | rtems_test_assert( status == EINVAL ); |
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238 | |
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239 | puts( "pthread_rwlock_timedwrlock(BadId, &abstime) -- EINVAL" ); |
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240 | status = pthread_rwlock_timedwrlock( &rwlock, &abstime ); |
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241 | rtems_test_assert( status == EINVAL ); |
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242 | |
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243 | puts( "pthread_rwlock_trywrlock(BadId) -- EINVAL" ); |
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244 | status = pthread_rwlock_trywrlock(&rwlock); |
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245 | rtems_test_assert( status == EINVAL ); |
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246 | |
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247 | puts( "pthread_rwlock_unlock(BadId) -- EINVAL" ); |
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248 | status = pthread_rwlock_unlock(&rwlock); |
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249 | rtems_test_assert( status == EINVAL ); |
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250 | |
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251 | /*************** BAD ABSTIME CHECK *****************/ |
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252 | |
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253 | /* in the past */ |
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254 | abstime.tv_sec = 0; |
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255 | abstime.tv_nsec = 0; |
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256 | |
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257 | /* invalid tv_nsec */ |
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258 | abstime.tv_sec = 0; |
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259 | abstime.tv_nsec = 0x7fffffffL; |
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260 | |
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261 | /* XXX do we need bad time check? */ |
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262 | |
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263 | /*************** ACTUALLY CREATE ONE CHECK *****************/ |
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264 | puts( "pthread_rwlockattr_init( &attr ) -- OK" ); |
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265 | status = pthread_rwlockattr_init( &attr ); |
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266 | rtems_test_assert( status == 0 ); |
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267 | |
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268 | puts( "pthread_rwlock_init( &rwlock, &attr ) -- OK" ); |
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269 | status = pthread_rwlock_init( &rwlock, &attr ); |
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270 | rtems_test_assert( status == 0 ); |
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271 | rtems_test_assert( rwlock != 0 ); |
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272 | |
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273 | puts( "pthread_rwlock_init( &rwlock, &attr ) -- EAGAIN" ); |
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274 | status = pthread_rwlock_init( &rwlock, &attr ); |
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275 | rtems_test_assert( status == EAGAIN ); |
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276 | |
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277 | puts( "pthread_rwlock_destroy( &rwlock ) -- OK" ); |
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278 | status = pthread_rwlock_destroy( &rwlock ); |
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279 | rtems_test_assert( status == 0 ); |
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280 | |
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281 | /********* CREATE RWLOCK WITH DEFAULT ATTRIBUTES AND DESTROY IT *********/ |
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282 | puts( "pthread_rwlock_init( &rwlock, NULL ) -- OK" ); |
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283 | status = pthread_rwlock_init( &rwlock, NULL ); |
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284 | rtems_test_assert( status == 0 ); |
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285 | |
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286 | puts( "pthread_rwlock_destroy( &rwlock ) -- OK" ); |
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287 | status = pthread_rwlock_destroy( &rwlock ); |
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288 | rtems_test_assert( status == 0 ); |
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289 | |
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290 | /*************** CREATE THREADS AND LET THEM OBTAIN READLOCK ***************/ |
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291 | puts( "pthread_rwlock_init( &RWLock, &attr ) -- OK" ); |
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292 | status = pthread_rwlock_init( &RWLock, &attr ); |
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293 | rtems_test_assert( status == 0 ); |
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294 | |
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295 | puts( "pthread_rwlock_tryrdlock(RWLock) -- OK" ); |
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296 | status = pthread_rwlock_tryrdlock(&RWLock); |
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297 | rtems_test_assert( !status ); |
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298 | |
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299 | for (i=0 ; i<NUMBER_THREADS ; i++ ) { |
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300 | printf( "Init: pthread_create - thread %d OK\n", i+1 ); |
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301 | status = pthread_create(&ThreadIds[i], NULL, ReadLockThread, &ThreadIds[i]); |
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302 | rtems_test_assert( !status ); |
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303 | |
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304 | sleep(1); |
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305 | } |
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306 | |
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307 | puts( "pthread_rwlock_unlock(RWLock) -- OK" ); |
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308 | status = pthread_rwlock_unlock(&RWLock); |
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309 | rtems_test_assert( !status ); |
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310 | |
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311 | sleep(1); |
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312 | |
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313 | /*************** CREATE THREADS AND LET THEM OBTAIN READLOCK ***************/ |
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314 | puts( "pthread_rwlock_trywrlock(RWLock) -- OK" ); |
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315 | status = pthread_rwlock_trywrlock(&RWLock); |
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316 | rtems_test_assert( !status ); |
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317 | |
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318 | puts( "pthread_rwlock_tryrdlock(&RWLock) -- EBUSY" ); |
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319 | status = pthread_rwlock_tryrdlock(&RWLock); |
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320 | rtems_test_assert( status == EBUSY ); |
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321 | |
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322 | for (i=0 ; i<NUMBER_THREADS ; i++ ) { |
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323 | printf( "Init: pthread_create - thread %d OK\n", i+1 ); |
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324 | status = pthread_create(&ThreadIds[i], NULL, ReadLockThread, &ThreadIds[i]); |
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325 | rtems_test_assert( !status ); |
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326 | |
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327 | sleep(1); |
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328 | } |
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329 | |
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330 | /* Attempt delete while threads are blocked */ |
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331 | puts( "pthread_rwlock_destroy( &RWLock ) -- EBUSY" ); |
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332 | status = pthread_rwlock_destroy( &RWLock ); |
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333 | rtems_test_assert( status == EBUSY ); |
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334 | |
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335 | /* now unlock it so the threads can continue */ |
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336 | puts( "pthread_rwlock_unlock(RWLock) -- OK" ); |
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337 | status = pthread_rwlock_unlock(&RWLock); |
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338 | rtems_test_assert( !status ); |
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339 | |
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340 | sleep(2); |
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341 | |
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342 | /*************** CREATE THREADS AND LET THEM OBTAIN WRITE LOCK *************/ |
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343 | puts( "pthread_rwlock_trywrlock(RWLock) -- OK" ); |
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344 | status = pthread_rwlock_trywrlock(&RWLock); |
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345 | rtems_test_assert( !status ); |
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346 | |
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347 | puts( "pthread_rwlock_trywrlock(&RWLock) -- EBUSY" ); |
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348 | status = pthread_rwlock_trywrlock(&RWLock); |
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349 | rtems_test_assert( status == EBUSY ); |
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350 | |
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351 | for (i=0 ; i<NUMBER_THREADS ; i++ ) { |
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352 | printf( "Init: pthread_create - thread %d OK\n", i+1 ); |
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353 | status = |
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354 | pthread_create(&ThreadIds[i], NULL, WriteLockThread, &ThreadIds[i]); |
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355 | rtems_test_assert( !status ); |
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356 | |
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357 | sleep(1); |
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358 | } |
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359 | |
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360 | puts( "pthread_rwlock_unlock(RWLock) -- OK" ); |
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361 | status = pthread_rwlock_unlock(&RWLock); |
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362 | rtems_test_assert( !status ); |
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363 | |
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364 | sleep(2); |
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365 | |
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366 | /*************** TIMEOUT ON RWLOCK ***************/ |
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367 | puts( "clock_gettime(CLOCK_REALTIME, &abstime) -- OK" ); |
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368 | status = clock_gettime( CLOCK_REALTIME, &abstime ); |
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369 | rtems_test_assert( !status ); |
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370 | |
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371 | abstime.tv_sec += 1; |
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372 | puts( "pthread_rwlock_timedwrlock( &RWLock, &abstime) -- OK" ); |
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373 | status = pthread_rwlock_timedwrlock( &RWLock, &abstime ); |
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374 | rtems_test_assert( status == 0 ); |
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375 | |
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376 | abstime.tv_sec += 1; |
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377 | puts( "pthread_rwlock_timedrdlock( &RWLock, &abstime) -- ETIMEDOUT" ); |
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378 | status = pthread_rwlock_timedrdlock( &RWLock, &abstime ); |
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379 | rtems_test_assert( status == ETIMEDOUT ); |
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380 | |
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381 | abstime.tv_sec -= 1; |
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382 | puts( "pthread_rwlock_timedrdlock( &RWLock, &abstime) -- ETIMEDOUT" ); |
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383 | status = pthread_rwlock_timedrdlock( &RWLock, &abstime ); |
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384 | rtems_test_assert( status == ETIMEDOUT ); |
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385 | |
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386 | abstime.tv_sec -= 1; |
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387 | puts( "pthread_rwlock_timedwrlock( &RWLock, &abstime) -- ETIMEDOUT" ); |
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388 | status = pthread_rwlock_timedwrlock( &RWLock, &abstime ); |
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389 | rtems_test_assert( status == ETIMEDOUT ); |
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390 | |
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391 | /*************** OBTAIN RWLOCK WITH ABSTIME IN PAST ***************/ |
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392 | status = pthread_rwlock_unlock(&RWLock); |
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393 | rtems_test_assert( !status ); |
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394 | |
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395 | abstime.tv_sec -= 1; |
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396 | puts( "pthread_rwlock_timedrdlock( &RWLock, &abstime) -- in past -- OK" ); |
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397 | status = pthread_rwlock_timedrdlock( &RWLock, &abstime ); |
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398 | rtems_test_assert( status == 0 ); |
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399 | |
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400 | /*************** OBTAIN RWLOCK FOR WRITE WITH ABSTIME IN PAST ***************/ |
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401 | status = pthread_rwlock_unlock(&RWLock); |
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402 | rtems_test_assert( !status ); |
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403 | |
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404 | abstime.tv_sec -= 1; |
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405 | puts( "pthread_rwlock_timedwrlock( &RWLock, &abstime) -- in past -- OK" ); |
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406 | status = pthread_rwlock_timedwrlock( &RWLock, &abstime ); |
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407 | rtems_test_assert( status == 0 ); |
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408 | |
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409 | /*************** DESTROY RWLOCK ***************/ |
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410 | puts( "pthread_rwlock_destroy( &RWLock ) -- OK" ); |
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411 | status = pthread_rwlock_destroy( &RWLock ); |
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412 | rtems_test_assert( status == 0 ); |
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413 | |
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414 | /*************** OBTAIN A LOCK AND THEN RELEASE IT TWICE ***************/ |
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415 | |
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416 | puts( "pthread_rwlock_init( &rwlock, NULL ) -- OK" ); |
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417 | status = pthread_rwlock_init( &rwlock, NULL ); |
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418 | rtems_test_assert( status == 0 ); |
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419 | rtems_test_assert( rwlock != 0 ); |
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420 | |
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421 | puts( "pthread_rwlock_unlock ( &rwlock ) -- OK" ); |
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422 | status = pthread_rwlock_unlock( &rwlock ); |
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423 | rtems_test_assert( status == 0 ); |
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424 | |
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425 | puts( "pthread_rwlock_unlock ( &rwlock ) -- OK" ); |
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426 | status = pthread_rwlock_unlock( &rwlock ); |
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427 | rtems_test_assert( status == 0 ); |
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428 | |
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429 | /*************** END OF TEST *****************/ |
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430 | puts( "*** END OF POSIX RWLOCK TEST 01 ***" ); |
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431 | exit(0); |
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432 | } |
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