1 | /* |
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2 | * COPYRIGHT (c) 1989-2013. |
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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.org/license/LICENSE. |
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8 | */ |
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9 | |
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10 | #if defined(USE_WAIT) |
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11 | #define TEST_NUMBER "08" |
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12 | #define TEST_CASE "pthread_cond_wait: blocking" |
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13 | #elif defined(USE_TIMEDWAIT_WITH_VALUE) |
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14 | #define TEST_NUMBER "09" |
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15 | #define TEST_CASE "pthread_cond_timedwait: blocking" |
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16 | #elif defined(USE_TIMEDWAIT_WAIT_VALUE_IN_PAST) |
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17 | #define TEST_NUMBER "10" |
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18 | #define TEST_CASE "pthread_cond_timedwait: time in past error" |
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19 | #else |
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20 | #error "How am I being compiled?" |
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21 | #endif |
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22 | |
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23 | #ifdef HAVE_CONFIG_H |
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24 | #include "config.h" |
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25 | #endif |
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26 | |
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27 | #include <stdio.h> |
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28 | #include <time.h> |
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29 | #include <errno.h> |
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30 | #include <sched.h> |
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31 | #include <timesys.h> |
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32 | #include <tmacros.h> |
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33 | #include <rtems/timerdrv.h> |
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34 | #include "test_support.h" |
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35 | |
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36 | #include <pthread.h> |
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37 | |
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38 | const char rtems_test_name[] = "PSXTMCOND 08"; |
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39 | |
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40 | /* forward declarations to avoid warnings */ |
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41 | void *POSIX_Init(void *argument); |
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42 | void *Middle(void *argument); |
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43 | void *Low(void *argument); |
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44 | |
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45 | pthread_cond_t CondID; |
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46 | pthread_mutex_t MutexID; |
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47 | struct timespec sleepTime; |
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48 | |
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49 | void *Low( |
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50 | void *argument |
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51 | ) |
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52 | { |
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53 | long end_time; |
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54 | |
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55 | end_time = benchmark_timer_read(); |
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56 | |
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57 | put_time( |
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58 | TEST_CASE, |
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59 | end_time, |
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60 | OPERATION_COUNT, |
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61 | 0, |
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62 | 0 |
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63 | ); |
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64 | |
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65 | TEST_END(); |
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66 | |
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67 | rtems_test_exit( 0 ); |
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68 | return NULL; |
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69 | } |
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70 | |
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71 | void *Middle( |
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72 | void *argument |
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73 | ) |
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74 | { |
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75 | int rc; |
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76 | |
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77 | |
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78 | rc = pthread_mutex_lock(&MutexID); |
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79 | rtems_test_assert( rc == 0 ); |
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80 | |
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81 | /* block and switch to another task here */ |
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82 | |
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83 | #if defined(USE_WAIT) |
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84 | rc = pthread_cond_wait( &CondID, &MutexID ); |
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85 | rtems_test_assert( rc == 0 ); |
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86 | |
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87 | #elif defined(USE_TIMEDWAIT_WITH_VALUE) |
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88 | |
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89 | rc = pthread_cond_timedwait( &CondID, &MutexID, &sleepTime ); |
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90 | rtems_test_assert( rc == 0 ); |
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91 | |
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92 | #elif defined(USE_TIMEDWAIT_WAIT_VALUE_IN_PAST) |
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93 | { |
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94 | /* override sleepTime with something obviously in the past */ |
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95 | sleepTime.tv_sec = 0; |
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96 | sleepTime.tv_nsec = 5; |
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97 | |
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98 | /* this does all the work of timedwait but immediately returns */ |
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99 | rc = pthread_cond_timedwait( &CondID, &MutexID, &sleepTime ); |
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100 | rtems_test_assert(rc == ETIMEDOUT); |
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101 | benchmark_timer_read(); |
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102 | } |
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103 | #endif |
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104 | |
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105 | pthread_mutex_unlock(&MutexID); |
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106 | #if defined(USE_TIMEDWAIT_WAIT_VALUE_IN_PAST) |
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107 | /* |
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108 | * In this case, unlock does not switch to another thread. so we need |
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109 | * to explicitly yield. If we do not yield, then we will measure the |
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110 | * time required to do an implicit pthread_exit() which is undesirable |
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111 | * from a measurement viewpoint. |
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112 | */ |
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113 | sched_yield(); |
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114 | #endif |
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115 | return NULL; |
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116 | } |
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117 | |
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118 | void *POSIX_Init( |
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119 | void *argument |
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120 | ) |
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121 | { |
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122 | int i; |
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123 | int status; |
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124 | pthread_t threadId; |
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125 | int rc; |
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126 | struct timeval tp; |
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127 | |
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128 | TEST_BEGIN(); |
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129 | |
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130 | rc = gettimeofday(&tp, NULL); |
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131 | rtems_test_assert( rc == 0 ); |
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132 | |
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133 | /* Convert from timeval to timespec */ |
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134 | sleepTime.tv_sec = tp.tv_sec; |
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135 | sleepTime.tv_nsec = tp.tv_usec * 1000; |
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136 | sleepTime.tv_nsec += 1; |
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137 | |
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138 | rc = pthread_cond_init(&CondID, NULL); |
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139 | rtems_test_assert( rc == 0 ); |
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140 | |
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141 | rc = pthread_mutex_init(&MutexID, NULL); |
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142 | rtems_test_assert( rc == 0 ); |
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143 | |
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144 | rc = pthread_mutex_lock(&MutexID); |
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145 | rtems_test_assert( rc == 0 ); |
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146 | |
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147 | for ( i=0 ; i < OPERATION_COUNT - 1 ; i++ ) { |
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148 | status = pthread_create( &threadId, NULL, Middle, NULL ); |
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149 | rtems_test_assert( !status ); |
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150 | } |
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151 | |
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152 | status = pthread_create( &threadId, NULL, Low, NULL ); |
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153 | rtems_test_assert( !status ); |
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154 | |
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155 | /* start the timer and switch through all the other tasks */ |
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156 | benchmark_timer_initialize(); |
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157 | |
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158 | rc = pthread_mutex_unlock(&MutexID); |
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159 | rtems_test_assert( rc == 0 ); |
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160 | |
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161 | /* Should never return. */ |
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162 | return NULL; |
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163 | } |
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164 | |
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165 | /* configuration information */ |
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166 | |
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167 | #define CONFIGURE_APPLICATION_NEEDS_CONSOLE_DRIVER |
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168 | #define CONFIGURE_APPLICATION_NEEDS_TIMER_DRIVER |
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169 | |
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170 | #define CONFIGURE_MAXIMUM_POSIX_THREADS OPERATION_COUNT + 2 |
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171 | #define CONFIGURE_MAXIMUM_POSIX_CONDITION_VARIABLES 2 |
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172 | #define CONFIGURE_POSIX_INIT_THREAD_TABLE |
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173 | #define CONFIGURE_MAXIMUM_POSIX_CONDITION_VARIABLES 2 |
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174 | #define CONFIGURE_MAXIMUM_POSIX_MUTEXES 2 |
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175 | |
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176 | #define CONFIGURE_INIT |
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177 | |
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178 | #include <rtems/confdefs.h> |
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179 | /* end of file */ |
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