1 | /* |
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2 | * COPYRIGHT (c) 1989-2012. |
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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 | #if defined(USE_USER_SIGNALS_PROCESS) |
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15 | #define TEST_NAME "PSXSIGNAL 3" |
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16 | #define TEST_STRING "User Signals to Process" |
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17 | #define SIGNAL_ONE SIGUSR1 |
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18 | #define SIGNAL_TWO SIGUSR2 |
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19 | #define SEND_SIGNAL(_sig) kill( getpid(), _sig ) |
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20 | #define TO_PROCESS |
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21 | |
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22 | #elif defined(USE_REAL_TIME_SIGNALS_PROCESS) |
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23 | #define TEST_NAME "PSXSIGNAL 4" |
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24 | #define TEST_STRING "Real-Time Signals to Process" |
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25 | #define SIGNAL_ONE SIGRTMIN |
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26 | #define SIGNAL_TWO SIGRTMAX |
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27 | #define SEND_SIGNAL(_sig) kill( getpid(), _sig ) |
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28 | #define TO_PROCESS |
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29 | |
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30 | #elif defined(USE_USER_SIGNALS_THREAD) |
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31 | #define TEST_NAME "PSXSIGNAL 5" |
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32 | #define TEST_STRING "User Signals to Thread" |
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33 | #define SIGNAL_ONE SIGUSR1 |
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34 | #define SIGNAL_TWO SIGUSR2 |
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35 | #define SEND_SIGNAL(_sig) pthread_kill( id, _sig ) |
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36 | #define TO_THREAD |
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37 | |
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38 | #elif defined(USE_REAL_TIME_SIGNALS_THREAD) |
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39 | #define TEST_NAME "PSXSIGNAL 5" |
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40 | #define TEST_STRING "Real-Time Signals to Thread" |
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41 | #define SIGNAL_ONE SIGRTMIN |
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42 | #define SIGNAL_TWO SIGRTMAX |
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43 | #define SEND_SIGNAL(_sig) pthread_kill( id, _sig ) |
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44 | #define TO_THREAD |
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45 | |
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46 | #else |
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47 | #error "Test Mode not defined" |
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48 | #endif |
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49 | |
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50 | #include <pmacros.h> |
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51 | #include <signal.h> |
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52 | #include <errno.h> |
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53 | #include <pthread.h> |
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54 | #include <sched.h> |
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55 | |
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56 | const char rtems_test_name[] = TEST_NAME; |
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57 | |
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58 | /* forward declarations to avoid warnings */ |
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59 | void *POSIX_Init(void *argument); |
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60 | void *Test_Thread(void *arg); |
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61 | void Signal_handler(int signo, siginfo_t *info, void *arg); |
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62 | const char *signal_name(int signo); |
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63 | |
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64 | volatile bool Signal_occurred; |
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65 | volatile pthread_t Signal_thread; |
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66 | |
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67 | static void block_all_signals(void) |
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68 | { |
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69 | int sc; |
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70 | sigset_t mask; |
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71 | |
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72 | sc = sigfillset( &mask ); |
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73 | rtems_test_assert( !sc ); |
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74 | |
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75 | sc = pthread_sigmask( SIG_BLOCK, &mask, NULL ); |
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76 | rtems_test_assert( !sc ); |
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77 | } |
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78 | |
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79 | void Signal_handler( |
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80 | int signo, |
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81 | siginfo_t *info, |
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82 | void *arg |
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83 | ) |
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84 | { |
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85 | Signal_occurred = true; |
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86 | Signal_thread = pthread_self(); |
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87 | } |
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88 | |
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89 | const char *signal_name(int signo) |
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90 | { |
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91 | if (signo == SIGUSR1) |
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92 | return "SIGUSR1"; |
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93 | if (signo == SIGUSR2) |
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94 | return "SIGUSR2"; |
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95 | if (signo == SIGRTMIN) |
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96 | return "SIGRTMIN"; |
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97 | if (signo == SIGRTMAX) |
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98 | return "SIGRTMAX"; |
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99 | return "unknown-signal"; |
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100 | } |
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101 | |
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102 | void *Test_Thread(void *arg) |
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103 | { |
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104 | bool blocked = *((bool *)arg); |
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105 | const char *name; |
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106 | int sc; |
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107 | sigset_t mask; |
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108 | sigset_t wait_mask; |
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109 | siginfo_t info; |
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110 | |
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111 | if ( blocked ) |
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112 | name = "SignalBlocked"; |
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113 | else |
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114 | name = "SignalNotBlocked"; |
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115 | |
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116 | /* build unblocked mask */ |
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117 | sc = sigemptyset( &mask ); |
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118 | rtems_test_assert( !sc ); |
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119 | |
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120 | printf( "%s - Unblock %s\n", name, signal_name(SIGNAL_ONE) ); |
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121 | sc = sigaddset( &mask, SIGNAL_ONE ); |
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122 | rtems_test_assert( !sc ); |
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123 | |
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124 | if ( !blocked ) { |
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125 | printf( "%s - Unblock %s\n", name, signal_name(SIGNAL_TWO) ); |
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126 | sc = sigaddset( &mask, SIGNAL_TWO ); |
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127 | rtems_test_assert( !sc ); |
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128 | } |
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129 | |
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130 | /* unblocked signals */ |
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131 | sc = pthread_sigmask( SIG_UNBLOCK, &mask, NULL ); |
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132 | rtems_test_assert( !sc ); |
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133 | |
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134 | /* build wait mask */ |
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135 | sc = sigemptyset( &wait_mask ); |
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136 | rtems_test_assert( !sc ); |
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137 | |
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138 | sc = sigaddset( &wait_mask, SIGNAL_ONE ); |
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139 | rtems_test_assert( !sc ); |
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140 | |
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141 | /* wait for a signal */ |
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142 | memset( &info, 0, sizeof(info) ); |
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143 | |
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144 | printf( "%s - Wait for %s unblocked\n", name, signal_name(SIGNAL_ONE) ); |
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145 | sigwaitinfo( &wait_mask, &info ); |
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146 | rtems_test_assert( !sc ); |
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147 | |
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148 | printf( "%s - siginfo.si_signo=%d\n", name, info.si_signo ); |
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149 | printf( "%s - siginfo.si_code=%d\n", name, info.si_code ); |
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150 | /* FIXME: Instead of casting to (uintptr_t) and using PRIxPTR, we |
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151 | * likely should use %p. However, this would render this test's |
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152 | * behavior non-deterministic, because %p's behavior is |
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153 | * "implementation defined" */ |
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154 | printf( |
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155 | "%s - siginfo.si_value=0x%08" PRIxPTR "\n", |
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156 | name, |
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157 | (uintptr_t) info.si_value.sival_ptr |
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158 | ); |
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159 | |
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160 | rtems_test_assert( info.si_signo == SIGNAL_TWO ); |
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161 | rtems_test_assert( info.si_code == SI_USER ); |
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162 | |
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163 | printf( "%s - exiting\n", name ); |
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164 | return NULL; |
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165 | } |
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166 | |
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167 | void *POSIX_Init( |
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168 | void *argument |
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169 | ) |
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170 | { |
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171 | int sc; |
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172 | pthread_t id; |
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173 | struct sigaction act; |
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174 | bool trueArg = true; |
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175 | bool falseArg = false; |
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176 | struct timespec delay_request; |
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177 | |
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178 | TEST_BEGIN(); |
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179 | puts( "Init - Variation is: " TEST_STRING ); |
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180 | |
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181 | block_all_signals(); |
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182 | |
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183 | Signal_occurred = false; |
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184 | |
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185 | act.sa_handler = NULL; |
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186 | act.sa_sigaction = Signal_handler; |
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187 | act.sa_flags = SA_SIGINFO; |
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188 | sigaction( SIGNAL_ONE, &act, NULL ); |
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189 | sigaction( SIGNAL_TWO, &act, NULL ); |
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190 | |
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191 | /* create threads */ |
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192 | sc = pthread_create( &id, NULL, Test_Thread, &falseArg ); |
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193 | rtems_test_assert( !sc ); |
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194 | |
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195 | sc = pthread_create( &id, NULL, Test_Thread, &trueArg ); |
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196 | rtems_test_assert( !sc ); |
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197 | |
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198 | puts( "Init - sleep - let threads settle - OK" ); |
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199 | delay_request.tv_sec = 0; |
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200 | delay_request.tv_nsec = 5 * 100000000; |
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201 | sc = nanosleep( &delay_request, NULL ); |
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202 | rtems_test_assert( !sc ); |
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203 | |
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204 | puts( "Init - sleep - SignalBlocked thread settle - OK" ); |
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205 | sc = nanosleep( &delay_request, NULL ); |
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206 | rtems_test_assert( !sc ); |
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207 | |
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208 | printf( "Init - sending %s - deliver to one thread\n", |
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209 | signal_name(SIGNAL_TWO)); |
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210 | sc = SEND_SIGNAL( SIGNAL_TWO ); |
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211 | rtems_test_assert( !sc ); |
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212 | |
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213 | printf( "Init - sending %s - deliver to other thread\n", |
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214 | signal_name(SIGNAL_TWO)); |
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215 | sc = SEND_SIGNAL( SIGNAL_TWO ); |
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216 | rtems_test_assert( !sc ); |
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217 | |
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218 | #if defined(TO_PROCESS) |
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219 | printf( "Init - sending %s - expect EAGAIN\n", signal_name(SIGNAL_TWO) ); |
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220 | sc = SEND_SIGNAL( SIGNAL_TWO ); |
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221 | rtems_test_assert( sc == -1 ); |
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222 | rtems_test_assert( errno == EAGAIN ); |
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223 | #endif |
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224 | |
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225 | puts( "Init - sleep - let thread report if it unblocked - OK" ); |
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226 | usleep(500000); |
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227 | |
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228 | /* we are just sigwait'ing the signal, not delivering it */ |
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229 | rtems_test_assert( Signal_occurred == true ); |
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230 | |
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231 | TEST_END(); |
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232 | rtems_test_exit(0); |
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233 | |
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234 | return NULL; /* just so the compiler thinks we returned something */ |
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235 | } |
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236 | |
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237 | /* configuration information */ |
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238 | |
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239 | #define CONFIGURE_APPLICATION_NEEDS_SIMPLE_CONSOLE_DRIVER |
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240 | #define CONFIGURE_APPLICATION_NEEDS_CLOCK_DRIVER |
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241 | |
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242 | #define CONFIGURE_INITIAL_EXTENSIONS RTEMS_TEST_INITIAL_EXTENSION |
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243 | |
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244 | #define CONFIGURE_MAXIMUM_POSIX_THREADS 3 |
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245 | #define CONFIGURE_MAXIMUM_POSIX_QUEUED_SIGNALS 1 |
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246 | |
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247 | #define CONFIGURE_POSIX_INIT_THREAD_TABLE |
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248 | |
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249 | #define CONFIGURE_INIT |
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250 | #include <rtems/confdefs.h> |
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