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 01"; |
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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 | #define MAX_SEMS 2 |
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28 | |
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29 | sem_t sem1; |
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30 | sem_t *n_sem1; |
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31 | sem_t *n_sem2; |
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32 | |
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33 | static void benchmark_sem_init(void) |
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34 | { |
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35 | benchmark_timer_t end_time; |
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36 | int status; |
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37 | |
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38 | benchmark_timer_initialize(); |
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39 | status = sem_init( &sem1, 0, 1 ); |
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40 | end_time = benchmark_timer_read(); |
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41 | rtems_test_assert( status == 0 ); |
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42 | |
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43 | put_time( |
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44 | "sem_init: only case", |
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45 | end_time, |
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46 | 1, /* Only executed once */ |
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47 | 0, |
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48 | 0 |
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49 | ); |
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50 | } |
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51 | |
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52 | static void benchmark_sem_destroy(void) |
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53 | { |
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54 | benchmark_timer_t end_time; |
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55 | int status; |
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56 | |
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57 | benchmark_timer_initialize(); |
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58 | status = sem_destroy( &sem1 ); |
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59 | end_time = benchmark_timer_read(); |
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60 | rtems_test_assert( status == 0 ); |
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61 | |
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62 | put_time( |
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63 | "sem_destroy: only case", |
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64 | end_time, |
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65 | 1, /* Only executed once */ |
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66 | 0, |
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67 | 0 |
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68 | ); |
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69 | } |
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70 | |
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71 | static void benchmark_sem_open(bool report_time) |
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72 | { |
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73 | benchmark_timer_t end_time; |
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74 | |
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75 | benchmark_timer_initialize(); |
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76 | n_sem1 = sem_open( "sem1", O_CREAT, 0777, 1 ); |
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77 | end_time = benchmark_timer_read(); |
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78 | |
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79 | if ( report_time ) { |
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80 | put_time( |
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81 | "sem_open: first open O_CREAT", |
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82 | end_time, |
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83 | 1, /* Only executed once */ |
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84 | 0, |
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85 | 0 |
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86 | ); |
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87 | } |
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88 | } |
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89 | |
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90 | static void benchmark_sem_close(bool report_time) |
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91 | { |
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92 | benchmark_timer_t end_time; |
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93 | int status; |
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94 | |
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95 | benchmark_timer_initialize(); |
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96 | status = sem_close( n_sem1 ); |
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97 | end_time = benchmark_timer_read(); |
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98 | rtems_test_assert( status == 0 ); |
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99 | |
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100 | if ( report_time ) { |
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101 | put_time( |
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102 | "sem_close: named first/nested close", |
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103 | end_time, |
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104 | 1, /* Only executed once */ |
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105 | 0, |
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106 | 0 |
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107 | ); |
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108 | } |
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109 | } |
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110 | |
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111 | static void benchmark_sem_unlink(const char *message) |
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112 | { |
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113 | benchmark_timer_t end_time; |
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114 | int status; |
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115 | |
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116 | benchmark_timer_initialize(); |
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117 | status = sem_unlink( "sem1" ); |
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118 | end_time = benchmark_timer_read(); |
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119 | rtems_test_assert( status == 0 ); |
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120 | |
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121 | put_time( |
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122 | message, |
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123 | end_time, |
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124 | 1, /* Only executed once */ |
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125 | 0, |
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126 | 0 |
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127 | ); |
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128 | } |
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129 | |
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130 | static void benchmark_sem_open_second(void) |
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131 | { |
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132 | benchmark_timer_t end_time; |
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133 | |
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134 | benchmark_timer_initialize(); |
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135 | n_sem2 = sem_open( "sem1", O_EXCL, 0777, 1 ); |
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136 | end_time = benchmark_timer_read(); |
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137 | |
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138 | put_time( |
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139 | "sem_open: second open O_EXCL", |
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140 | end_time, |
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141 | 1, /* Only executed once */ |
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142 | 0, |
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143 | 0 |
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144 | ); |
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145 | } |
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146 | |
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147 | static void benchmark_sem_close_second(void) |
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148 | { |
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149 | benchmark_timer_t end_time; |
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150 | int status; |
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151 | |
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152 | benchmark_timer_initialize(); |
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153 | status = sem_close( n_sem2 ); |
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154 | end_time = benchmark_timer_read(); |
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155 | rtems_test_assert( status == 0 ); |
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156 | |
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157 | put_time( |
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158 | "sem_close: named second close", |
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159 | end_time, |
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160 | 1, /* Only executed once */ |
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161 | 0, |
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162 | 0 |
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163 | ); |
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164 | } |
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165 | |
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166 | void *POSIX_Init(void *argument) |
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167 | { |
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168 | |
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169 | TEST_BEGIN(); |
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170 | |
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171 | /* creating unnamed semaphore */ |
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172 | benchmark_sem_init(); |
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173 | /* destroying unnamed semaphore */ |
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174 | benchmark_sem_destroy(); |
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175 | |
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176 | /* opening named semaphore first time o_flag = O_CREAT */ |
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177 | benchmark_sem_open(true); |
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178 | /* opening named semaphore second time o_flag = O_EXCL */ |
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179 | benchmark_sem_open_second(); |
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180 | /* close named semaphore first time -- does not delete */ |
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181 | benchmark_sem_close(true); |
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182 | /* unlink named semaphore -- does not delete */ |
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183 | benchmark_sem_unlink("sem_unlink: does not delete"); |
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184 | /* close semaphore the second time, this actually deletes it */ |
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185 | benchmark_sem_close_second(); |
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186 | |
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187 | /* recrate named semaphore first time o_flag = O_CREAT */ |
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188 | benchmark_sem_open(false); |
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189 | benchmark_sem_close(false); |
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190 | benchmark_sem_unlink("sem_unlink: deletes semaphore"); |
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191 | |
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192 | TEST_END(); |
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193 | |
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194 | rtems_test_exit(0); |
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195 | } |
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196 | |
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197 | /* configuration information */ |
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198 | |
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199 | #define CONFIGURE_APPLICATION_NEEDS_CONSOLE_DRIVER |
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200 | #define CONFIGURE_APPLICATION_NEEDS_TIMER_DRIVER |
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201 | |
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202 | #define CONFIGURE_MAXIMUM_POSIX_THREADS 1 |
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203 | #define CONFIGURE_MAXIMUM_POSIX_SEMAPHORES MAX_SEMS |
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204 | #define CONFIGURE_POSIX_INIT_THREAD_TABLE |
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205 | |
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206 | #define CONFIGURE_INIT |
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207 | |
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208 | #include <rtems/confdefs.h> |
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209 | /* end of file */ |
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