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 | #ifdef HAVE_CONFIG_H |
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11 | #include "config.h" |
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12 | #endif |
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13 | |
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14 | #include <errno.h> |
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15 | #include <fcntl.h> |
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16 | #include <semaphore.h> |
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17 | #include <tmacros.h> |
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18 | #include <timesys.h> |
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19 | #include <rtems/btimer.h> |
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20 | #include "test_support.h" |
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21 | |
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22 | const char rtems_test_name[] = "PSXTMSEM 02"; |
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23 | |
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24 | /* forward declarations to avoid warnings */ |
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25 | void *POSIX_Init(void *argument); |
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26 | |
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27 | sem_t sem1; |
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28 | sem_t *n_sem1; |
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29 | |
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30 | static void benchmark_sem_getvalue(void) |
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31 | { |
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32 | benchmark_timer_t end_time; |
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33 | int status; |
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34 | int value; |
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35 | |
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36 | benchmark_timer_initialize(); |
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37 | status = sem_getvalue(&sem1, &value); |
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38 | end_time = benchmark_timer_read(); |
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39 | rtems_test_assert( status == 0 ); |
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40 | |
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41 | put_time( |
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42 | "sem_getvalue: only case", |
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43 | end_time, |
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44 | 1, /* Only executed once */ |
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45 | 0, |
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46 | 0 |
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47 | ); |
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48 | } |
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49 | |
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50 | static void benchmark_sem_wait(void) |
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51 | { |
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52 | benchmark_timer_t end_time; |
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53 | int status; |
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54 | |
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55 | benchmark_timer_initialize(); |
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56 | status = sem_wait(&sem1); |
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57 | end_time = benchmark_timer_read(); |
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58 | rtems_test_assert( status == 0 ); |
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59 | |
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60 | put_time( |
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61 | "sem_wait: available", |
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62 | end_time, |
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63 | 1, /* Only executed once */ |
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64 | 0, |
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65 | 0 |
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66 | ); |
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67 | } |
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68 | |
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69 | static void benchmark_sem_post(void) |
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70 | { |
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71 | benchmark_timer_t end_time; |
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72 | int status; |
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73 | |
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74 | benchmark_timer_initialize(); |
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75 | status = sem_post(&sem1); |
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76 | end_time = benchmark_timer_read(); |
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77 | rtems_test_assert( status == 0 ); |
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78 | |
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79 | put_time( |
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80 | "sem_post: no threads waiting", |
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81 | end_time, |
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82 | 1, /* Only executed once */ |
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83 | 0, |
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84 | 0 |
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85 | ); |
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86 | } |
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87 | |
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88 | static void benchmark_sem_trywait_available(void) |
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89 | { |
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90 | benchmark_timer_t end_time; |
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91 | int status; |
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92 | |
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93 | benchmark_timer_initialize(); |
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94 | status = sem_trywait(&sem1); |
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95 | end_time = benchmark_timer_read(); |
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96 | rtems_test_assert( status == 0 ); |
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97 | |
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98 | put_time( |
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99 | "sem_trywait: available", |
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100 | end_time, |
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101 | 1, /* Only executed once */ |
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102 | 0, |
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103 | 0 |
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104 | ); |
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105 | } |
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106 | |
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107 | static void benchmark_sem_trywait_not_available(void) |
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108 | { |
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109 | benchmark_timer_t end_time; |
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110 | int status; |
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111 | |
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112 | benchmark_timer_initialize(); |
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113 | status = sem_trywait(&sem1); |
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114 | end_time = benchmark_timer_read(); |
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115 | /*it must be non avalible, so status should be non zero*/ |
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116 | rtems_test_assert( status != 0 ); |
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117 | |
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118 | put_time( |
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119 | "sem_trywait: not available", |
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120 | end_time, |
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121 | 1, /* Only executed once */ |
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122 | 0, |
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123 | 0 |
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124 | ); |
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125 | } |
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126 | |
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127 | void *POSIX_Init(void *argument) |
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128 | { |
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129 | int status; |
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130 | TEST_BEGIN(); |
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131 | |
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132 | /* create the semaphore */ |
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133 | status = sem_init( &sem1, 0, 1 ); |
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134 | rtems_test_assert( status == 0 ); |
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135 | |
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136 | /* obtain the actual semaphore value */ |
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137 | benchmark_sem_getvalue(); |
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138 | /* lock the semaphore */ |
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139 | benchmark_sem_wait(); |
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140 | /* unlock the semaphore */ |
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141 | benchmark_sem_post(); |
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142 | /* try to lock the semaphore - available */ |
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143 | benchmark_sem_trywait_available(); |
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144 | /* try to lock the semaphore, not available */ |
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145 | benchmark_sem_trywait_not_available(); |
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146 | |
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147 | TEST_END(); |
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148 | |
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149 | /*Destroying the semaphore*/ |
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150 | status = sem_destroy(&sem1); |
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151 | rtems_test_assert( status == 0 ); |
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152 | |
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153 | rtems_test_exit(0); |
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154 | } |
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155 | |
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156 | /* configuration information */ |
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157 | |
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158 | #define CONFIGURE_APPLICATION_NEEDS_CONSOLE_DRIVER |
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159 | #define CONFIGURE_APPLICATION_NEEDS_TIMER_DRIVER |
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160 | |
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161 | #define CONFIGURE_MAXIMUM_POSIX_THREADS 1 |
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162 | #define CONFIGURE_MAXIMUM_POSIX_SEMAPHORES 2 |
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163 | #define CONFIGURE_POSIX_INIT_THREAD_TABLE |
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164 | |
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165 | #define CONFIGURE_INIT |
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166 | #include <rtems/confdefs.h> |
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167 | /* end of file */ |
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