1 | /* |
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2 | * COPYRIGHT (c) 1989-2009. |
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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.com/license/LICENSE. |
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8 | * |
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9 | * $Id$ |
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10 | */ |
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11 | |
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12 | #if defined(USE_USER_SIGNALS) |
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13 | #define TEST_NAME "01" |
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14 | #define TEST_STRING "User Signals" |
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15 | #define SIGNAL_ONE SIGUSR1 |
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16 | #define SIGNAL_TWO SIGUSR2 |
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17 | |
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18 | #elif defined(USE_REAL_TIME_SIGNALS) |
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19 | #define TEST_NAME "02" |
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20 | #define TEST_STRING "Real-Time Signals" |
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21 | #define SIGNAL_ONE SIGRTMIN |
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22 | #define SIGNAL_TWO SIGRTMAX |
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23 | |
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24 | #else |
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25 | #error "Test Mode not defined" |
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26 | |
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27 | #endif |
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28 | |
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29 | #include <pmacros.h> |
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30 | #include <signal.h> |
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31 | #include <errno.h> |
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32 | #include <pthread.h> |
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33 | #include <sched.h> |
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34 | |
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35 | volatile bool Signal_occurred; |
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36 | volatile pthread_t Signal_thread; |
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37 | |
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38 | void Signal_handler( |
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39 | int signo, |
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40 | siginfo_t *info, |
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41 | void *arg |
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42 | ) |
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43 | { |
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44 | Signal_occurred = true; |
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45 | Signal_thread = pthread_self(); |
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46 | } |
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47 | |
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48 | const char *signal_name(int signo) |
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49 | { |
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50 | if (signo == SIGUSR1) |
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51 | return "SIGUSR1"; |
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52 | if (signo == SIGUSR2) |
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53 | return "SIGUSR2"; |
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54 | if (signo == SIGRTMIN) |
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55 | return "SIGRTMIN"; |
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56 | if (signo == SIGRTMAX) |
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57 | return "SIGRTMAX"; |
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58 | return "unknown-signal"; |
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59 | } |
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60 | |
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61 | void *Test_Thread(void *arg) |
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62 | { |
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63 | bool blocked = *((bool *)arg); |
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64 | const char *name; |
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65 | int sc; |
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66 | sigset_t mask; |
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67 | sigset_t wait_mask; |
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68 | sigset_t pending_set; |
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69 | sigset_t oset; |
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70 | siginfo_t info; |
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71 | |
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72 | if ( blocked ) |
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73 | name = "SignalBlocked"; |
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74 | else |
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75 | name = "SignalNotBlocked"; |
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76 | |
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77 | /* build unblocked mask */ |
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78 | sc = sigemptyset( &mask ); |
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79 | assert( !sc ); |
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80 | |
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81 | printf( "%s - Unblock %s\n", name, signal_name(SIGNAL_ONE) ); |
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82 | sc = sigaddset( &mask, SIGNAL_ONE ); |
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83 | assert( !sc ); |
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84 | |
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85 | if ( !blocked ) { |
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86 | printf( "%s - Unblock %s\n", name, signal_name(SIGNAL_TWO) ); |
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87 | sc = sigaddset( &mask, SIGNAL_TWO ); |
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88 | assert( !sc ); |
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89 | } |
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90 | |
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91 | /* unblocked signals */ |
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92 | sc = pthread_sigmask( SIG_UNBLOCK, &mask, NULL ); |
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93 | assert( !sc ); |
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94 | |
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95 | /* build wait mask */ |
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96 | sc = sigemptyset( &wait_mask ); |
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97 | assert( !sc ); |
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98 | |
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99 | sc = sigaddset( &wait_mask, SIGNAL_ONE ); |
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100 | assert( !sc ); |
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101 | |
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102 | /* wait for a signal */ |
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103 | memset( &info, 0, sizeof(info) ); |
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104 | |
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105 | printf( "%s - Wait for %s unblocked\n", signal_name(SIGNAL_ONE) ); |
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106 | sigwaitinfo( &wait_mask, &info ); |
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107 | assert( !sc ); |
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108 | |
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109 | printf( "%s - siginfo.si_signo=%d\n", name, info.si_signo ); |
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110 | printf( "%s - siginfo.si_code=%d\n", name, info.si_code ); |
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111 | printf( "%s - siginfo.si_value=0x%08x\n", name, info.si_value ); |
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112 | |
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113 | assert( info.si_signo == SIGNAL_TWO ); |
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114 | assert( info.si_code == SI_USER ); |
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115 | |
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116 | printf( "%s - exiting\n", name ); |
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117 | return NULL; |
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118 | } |
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119 | |
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120 | void *POSIX_Init( |
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121 | void *argument |
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122 | ) |
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123 | { |
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124 | int i; |
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125 | int sc; |
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126 | pthread_t id; |
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127 | struct sigaction act; |
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128 | bool trueArg = true; |
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129 | bool falseArg = false; |
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130 | |
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131 | puts( "\n\n*** POSIX TEST SIGNAL " TEST_NAME " ***" ); |
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132 | puts( "Init - Variation is: " TEST_STRING ); |
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133 | |
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134 | Signal_occurred = false; |
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135 | |
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136 | act.sa_handler = NULL; |
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137 | act.sa_sigaction = Signal_handler; |
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138 | act.sa_flags = SA_SIGINFO; |
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139 | sigaction( SIGNAL_ONE, &act, NULL ); |
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140 | sigaction( SIGNAL_TWO, &act, NULL ); |
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141 | |
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142 | /* create threads */ |
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143 | sc = pthread_create( &id, NULL, Test_Thread, &falseArg ); |
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144 | assert( !sc ); |
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145 | |
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146 | sc = pthread_create( &id, NULL, Test_Thread, &trueArg ); |
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147 | assert( !sc ); |
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148 | |
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149 | puts( "Init - sleep - let threads settle - OK" ); |
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150 | usleep(500000); |
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151 | |
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152 | puts( "Init - sleep - SignalBlocked thread settle - OK" ); |
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153 | usleep(500000); |
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154 | |
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155 | printf( "Init - sending %s - deliver to one thread\n", |
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156 | signal_name(SIGNAL_TWO)); |
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157 | sc = kill( getpid(), SIGNAL_TWO ); |
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158 | assert( !sc ); |
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159 | |
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160 | printf( "Init - sending %s - deliver to other thread\n", |
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161 | signal_name(SIGNAL_TWO)); |
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162 | sc = kill( getpid(), SIGNAL_TWO ); |
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163 | assert( !sc ); |
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164 | |
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165 | printf( "Init - sending %s - expect EAGAIN\n", signal_name(SIGNAL_TWO) ); |
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166 | sc = kill( getpid(), SIGNAL_TWO ); |
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167 | assert( sc == -1 ); |
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168 | assert( errno == EAGAIN ); |
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169 | |
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170 | puts( "Init - sleep - let thread report if it unblocked - OK" ); |
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171 | usleep(500000); |
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172 | |
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173 | /* we are just sigwait'ing the signal, not delivering it */ |
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174 | assert( Signal_occurred == true ); |
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175 | |
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176 | puts( "*** END OF POSIX TEST SIGNAL " TEST_NAME " ***" ); |
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177 | rtems_test_exit(0); |
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178 | |
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179 | return NULL; /* just so the compiler thinks we returned something */ |
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180 | } |
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181 | |
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182 | /* configuration information */ |
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183 | |
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184 | #define CONFIGURE_APPLICATION_NEEDS_CONSOLE_DRIVER |
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185 | #define CONFIGURE_APPLICATION_NEEDS_CLOCK_DRIVER |
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186 | |
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187 | #define CONFIGURE_MAXIMUM_POSIX_THREADS 3 |
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188 | #define CONFIGURE_MAXIMUM_POSIX_QUEUED_SIGNALS 1 |
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189 | |
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190 | #define CONFIGURE_POSIX_INIT_THREAD_TABLE |
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191 | |
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192 | #define CONFIGURE_INIT |
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193 | #include <rtems/confdefs.h> |
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