1 | /* |
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2 | * Test for rtems_semaphore_flush |
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3 | * |
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4 | * $Id$ |
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5 | */ |
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6 | |
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7 | #include <bsp.h> |
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8 | |
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9 | rtems_task Init (rtems_task_argument argument); |
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10 | |
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11 | #define CONFIGURE_RTEMS_INIT_TASKS_TABLE |
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12 | |
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13 | #define CONFIGURE_TEST_NEEDS_CONSOLE_DRIVER |
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14 | #define CONFIGURE_TEST_NEEDS_CLOCK_DRIVER |
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15 | |
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16 | #define CONFIGURE_INIT |
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17 | |
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18 | #include <confdefs.h> |
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19 | |
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20 | #include <rtems/error.h> |
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21 | #include <stdio.h> |
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22 | |
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23 | rtems_interval ticksPerSecond; |
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24 | |
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25 | rtems_task |
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26 | subtask (rtems_task_argument arg) |
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27 | { |
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28 | rtems_status_code sc; |
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29 | rtems_id sem = (rtems_id)arg; |
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30 | |
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31 | for (;;) { |
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32 | rtems_task_wake_after (ticksPerSecond * 2); |
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33 | |
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34 | sc = rtems_semaphore_release (sem); |
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35 | if (sc != RTEMS_SUCCESSFUL) |
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36 | printf ("%d: Can't release semaphore: %s\n", __LINE__, rtems_status_text (sc)); |
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37 | } |
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38 | } |
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39 | |
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40 | void |
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41 | startTask (rtems_id arg) |
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42 | { |
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43 | rtems_id tid; |
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44 | rtems_status_code sc; |
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45 | |
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46 | sc = rtems_task_create (rtems_build_name ('S', 'R', 'V', 'A'), |
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47 | 100, |
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48 | 10000, |
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49 | RTEMS_PREEMPT|RTEMS_NO_TIMESLICE|RTEMS_NO_ASR|RTEMS_INTERRUPT_LEVEL(0), |
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50 | RTEMS_NO_FLOATING_POINT|RTEMS_LOCAL, |
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51 | &tid); |
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52 | if (sc != RTEMS_SUCCESSFUL) { |
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53 | printf ("Can't create task: %s\n", rtems_status_text (sc)); |
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54 | rtems_task_suspend (RTEMS_SELF); |
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55 | } |
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56 | sc = rtems_task_start (tid, subtask, arg); |
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57 | if (sc != RTEMS_SUCCESSFUL) { |
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58 | printf ("Can't start task: %s\n", rtems_status_text (sc)); |
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59 | rtems_task_suspend (RTEMS_SELF); |
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60 | } |
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61 | } |
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62 | |
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63 | rtems_task Init (rtems_task_argument ignored) |
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64 | { |
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65 | int i; |
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66 | rtems_id semrec, semnorec; |
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67 | rtems_status_code sc; |
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68 | rtems_interval then, now; |
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69 | |
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70 | sc = rtems_clock_get (RTEMS_CLOCK_GET_TICKS_PER_SECOND, &ticksPerSecond); |
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71 | if (sc != RTEMS_SUCCESSFUL) { |
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72 | printf ("Can't get ticks per second: %s\n", rtems_status_text (sc)); |
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73 | exit (1); |
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74 | } |
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75 | sc = rtems_semaphore_create (rtems_build_name ('S', 'M', 'r', 'c'), |
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76 | 1, |
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77 | RTEMS_PRIORITY|RTEMS_BINARY_SEMAPHORE|RTEMS_INHERIT_PRIORITY |RTEMS_NO_PRIORITY_CEILING|RTEMS_LOCAL, |
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78 | 0, |
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79 | &semrec); |
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80 | if (sc != RTEMS_SUCCESSFUL) { |
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81 | printf ("%d: Can't create recursive-lock semaphore: %s\n", __LINE__, rtems_status_text (sc)); |
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82 | exit (1); |
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83 | } |
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84 | sc = rtems_semaphore_create (rtems_build_name ('S', 'M', 'n', 'c'), |
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85 | 1, |
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86 | RTEMS_PRIORITY|RTEMS_BINARY_SEMAPHORE|RTEMS_NO_NESTING_ALLOWED|RTEMS_INHERIT_PRIORITY |RTEMS_NO_PRIORITY_CEILING|RTEMS_LOCAL, |
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87 | 0, |
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88 | &semnorec); |
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89 | if (sc != RTEMS_SUCCESSFUL) { |
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90 | printf ("%d: Can't create non-recursive-lock semaphore: %s\n", __LINE__, rtems_status_text (sc)); |
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91 | exit (1); |
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92 | } |
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93 | |
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94 | sc = rtems_semaphore_obtain (semrec, RTEMS_NO_WAIT, 0); |
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95 | if (sc != RTEMS_SUCCESSFUL) { |
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96 | printf ("%d: Can't obtain recursive-lock semaphore: %s\n", __LINE__, rtems_status_text (sc)); |
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97 | } |
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98 | sc = rtems_semaphore_obtain (semrec, RTEMS_NO_WAIT, 0); |
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99 | if (sc != RTEMS_SUCCESSFUL) { |
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100 | printf ("%d: Can't reobtain recursive-lock semaphore: %s\n", __LINE__, rtems_status_text (sc)); |
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101 | } |
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102 | |
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103 | sc = rtems_semaphore_obtain (semnorec, RTEMS_NO_WAIT, 0); |
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104 | if (sc != RTEMS_SUCCESSFUL) { |
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105 | printf ("%d: Can't obtain non-recursive-lock semaphore: %s\n", __LINE__, rtems_status_text (sc)); |
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106 | } |
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107 | sc = rtems_semaphore_obtain (semnorec, RTEMS_NO_WAIT, 0); |
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108 | if (sc == RTEMS_SUCCESSFUL) { |
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109 | printf ("%d: Reobtain non-recursive-lock semaphore -- and should not have.\n", __LINE__); |
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110 | } |
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111 | |
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112 | sc = rtems_semaphore_release (semnorec); |
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113 | if (sc != RTEMS_SUCCESSFUL) { |
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114 | printf ("%d: Can't release non-recursive-lock semaphore: %s\n", __LINE__, rtems_status_text (sc)); |
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115 | } |
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116 | sc = rtems_semaphore_release (semnorec); |
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117 | if (sc != RTEMS_SUCCESSFUL) { |
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118 | printf ("%d: Can't rerelease non-recursive-lock semaphore: %s\n", __LINE__, rtems_status_text (sc)); |
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119 | } |
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120 | sc = rtems_semaphore_obtain (semnorec, RTEMS_NO_WAIT, 0); |
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121 | if (sc != RTEMS_SUCCESSFUL) { |
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122 | printf ("%d: Can't obtain non-recursive-lock semaphore: %s\n", __LINE__, rtems_status_text (sc)); |
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123 | } |
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124 | sc = rtems_semaphore_obtain (semnorec, RTEMS_NO_WAIT, 0); |
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125 | if (sc == RTEMS_SUCCESSFUL) { |
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126 | printf ("%d: Reobtain non-recursive-lock semaphore -- and should not have.\n", __LINE__); |
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127 | } |
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128 | else if (sc != RTEMS_UNSATISFIED) { |
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129 | printf ("%d: Reobtain non-recursive-lock semaphore failed, but error is %d (%s), not RTEMS_UNSATISFIED.\n", __LINE__, sc, rtems_status_text (sc)); |
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130 | } |
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131 | |
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132 | sc = rtems_semaphore_release (semnorec); |
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133 | if (sc != RTEMS_SUCCESSFUL) { |
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134 | printf ("%d: Can't release non-recursive-lock semaphore: %s\n", __LINE__, rtems_status_text (sc)); |
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135 | } |
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136 | sc = rtems_semaphore_release (semnorec); |
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137 | if (sc != RTEMS_SUCCESSFUL) { |
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138 | printf ("%d: Can't rerelease non-recursive-lock semaphore: %s\n", __LINE__, rtems_status_text (sc)); |
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139 | } |
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140 | sc = rtems_semaphore_obtain (semnorec, RTEMS_NO_WAIT, 0); |
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141 | if (sc != RTEMS_SUCCESSFUL) { |
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142 | printf ("%d: Can't obtain non-recursive-lock semaphore: %s\n", __LINE__, rtems_status_text (sc)); |
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143 | } |
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144 | /* |
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145 | * Since this task is holding this, there is no reason to block. |
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146 | * It is obviously an error to reobtain it. |
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147 | */ |
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148 | rtems_clock_get (RTEMS_CLOCK_GET_TICKS_SINCE_BOOT, &then); |
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149 | sc = rtems_semaphore_obtain (semnorec, RTEMS_WAIT, 5); |
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150 | rtems_clock_get (RTEMS_CLOCK_GET_TICKS_SINCE_BOOT, &now); |
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151 | if (sc == RTEMS_SUCCESSFUL) { |
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152 | printf ("%d: Reobtain non-recursive-lock semaphore -- and should not have.\n", __LINE__); |
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153 | } |
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154 | else if (sc != RTEMS_UNSATISFIED) { |
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155 | printf ("%d: Reobtain non-recursive-lock semaphore failed, but error is %d (%s), not RTEMS_UNSATISFIED.\n", __LINE__, sc, rtems_status_text (sc)); |
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156 | } |
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157 | if ((then - now) < 4) |
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158 | printf ("%d: Reobtain non-recursive-lock semaphore failed without timeout.\n", __LINE__); |
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159 | |
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160 | startTask (semnorec); |
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161 | rtems_clock_get (RTEMS_CLOCK_GET_TICKS_SINCE_BOOT, &then); |
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162 | for (i = 0 ; i < 5 ; i++) { |
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163 | int diff; |
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164 | |
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165 | sc = rtems_semaphore_obtain (semnorec, RTEMS_WAIT, RTEMS_NO_TIMEOUT); |
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166 | rtems_clock_get (RTEMS_CLOCK_GET_TICKS_SINCE_BOOT, &now); |
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167 | diff = now - then; |
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168 | then = now; |
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169 | if (sc != RTEMS_SUCCESSFUL) |
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170 | printf ("%d: Failed to obtain non-recursive-lock semaphore: %s\n", __LINE__, rtems_status_text (sc)); |
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171 | else if (diff < (2 * ticksPerSecond + 1)) |
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172 | printf ("%d: Obtained obtain non-recursive-lock semaphore too quickly -- %d ticks\n", __LINE__, diff); |
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173 | } |
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174 | |
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175 | exit (0); |
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176 | } |
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