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annotate packages/compat/posix/current/tests/signal1.c @ 115:6ed91473a1cd ecos-sw-2000-08-21

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Merge from eCos master repository on 2000-08-21-22:40:54-BST
author jlarmour
date Fri, 25 Aug 2000 17:32:38 +0000
parents
children a9ac27ec7abc
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115
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1 //==========================================================================
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2 //
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3 // signal1.cxx
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4 //
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5 // POSIX signal test 1
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6 //
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7 //==========================================================================
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8 //####COPYRIGHTBEGIN####
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9 //
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10 // -------------------------------------------
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11 // The contents of this file are subject to the Red Hat eCos Public License
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12 // Version 1.1 (the "License"); you may not use this file except in
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13 // compliance with the License. You may obtain a copy of the License at
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14 // http://www.redhat.com/
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15 //
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16 // Software distributed under the License is distributed on an "AS IS"
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17 // basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the
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18 // License for the specific language governing rights and limitations under
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19 // the License.
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20 //
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21 // The Original Code is eCos - Embedded Configurable Operating System,
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22 // released September 30, 1998.
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23 //
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24 // The Initial Developer of the Original Code is Red Hat.
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25 // Portions created by Red Hat are
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26 // Copyright (C) 1998, 1999, 2000 Red Hat, Inc.
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27 // All Rights Reserved.
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28 // -------------------------------------------
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29 //
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30 //####COPYRIGHTEND####
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31 //==========================================================================
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32 //#####DESCRIPTIONBEGIN####
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33 //
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34 // Author(s): nickg
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35 // Contributors: nickg
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36 // Date: 2000-04-10
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37 // Description: Tests POSIX signal functionality.
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38 //
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39 //####DESCRIPTIONEND####
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40 //==========================================================================
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41
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42 #include <sys/types.h>
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43 #include <pthread.h>
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44 #include <signal.h>
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45 #include <semaphore.h>
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46
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47 #include <cyg/infra/testcase.h>
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48
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49 //--------------------------------------------------------------------------
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50 // Thread stack.
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51
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52 char thread_stack[PTHREAD_STACK_MIN*2];
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53
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54 //--------------------------------------------------------------------------
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55 // Local variables
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56
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57 // Sync semaphore
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58 sem_t sem;
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59
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60 // Thread ID
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61 pthread_t thread1;
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62
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63 volatile int sigusr2_called = 0;
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64 volatile int sigalrm_called = 0;
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65
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66 //--------------------------------------------------------------------------
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67 // Signal handler functions
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68
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69 static void sigusr2( int signo )
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70 {
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71 CYG_TEST_INFO( "sigusr2() handler called" );
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72 CYG_TEST_CHECK( signo == SIGUSR2, "Signal not SIGUSR2");
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73 CYG_TEST_CHECK( pthread_equal(pthread_self(), thread1), "Not called in thread1");
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74
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75 sigusr2_called++;
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76 }
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77
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78 static void sigalrm( int signo )
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79 {
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80 CYG_TEST_INFO( "sigalrm() handler called" );
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81 CYG_TEST_CHECK( signo == SIGALRM, "Signal not SIGALRM");
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82 CYG_TEST_CHECK( pthread_equal(pthread_self(), thread1), "Not called in thread1");
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83
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84 sigalrm_called++;
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85 }
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86
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87 //--------------------------------------------------------------------------
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88
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89 void *pthread_entry1( void *arg)
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90 {
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91 sigset_t mask;
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92 siginfo_t info;
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93 struct timespec timeout;
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94 int sig;
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95
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96 CYG_TEST_INFO( "Thread 1 running" );
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97
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98 // Make a full set
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99 sigfillset( &mask );
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100
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101 // remove USR2 and ALRM signals
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102 sigdelset( &mask, SIGUSR2 );
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103 sigdelset( &mask, SIGALRM );
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104
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105 // Set signal mask
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106 pthread_sigmask( SIG_SETMASK, &mask, NULL );
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107
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108 // Get main thread going again
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109 sem_post( &sem );
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110
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111 // set up timeout
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112 timeout.tv_sec = 10;
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113 timeout.tv_nsec = 0;
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114
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115 CYG_TEST_INFO( "Thread1: calling sigtimedwait()");
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116
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117 // Wait for a signal to be delivered
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118 sigtimedwait( &mask, &info, &timeout );
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119
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120 sig = info.si_signo;
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121
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122 CYG_TEST_CHECK( sig == SIGUSR1, "Signal not delivered");
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123
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124 while( sigusr2_called != 2 )
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125 {
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126 CYG_TEST_INFO( "Thread1: calling pause()");
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127 pause();
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128 }
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129
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130 // now wait for SIGALRM to be delivered
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131 CYG_TEST_INFO( "Thread1: calling pause()");
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132 pause();
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133
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134 CYG_TEST_INFO( "Thread1: calling pthread_exit()");
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135 pthread_exit( (void *)((int)arg+sig) );
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136 }
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137
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138 //--------------------------------------------------------------------------
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139
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140 int main(int argc, char **argv)
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141 {
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142 int ret;
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143 sigset_t mask;
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144 pthread_attr_t attr;
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145 void *retval;
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146 union sigval value;
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147
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148 CYG_TEST_INIT();
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149
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150 // Make a full signal set
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151 sigfillset( &mask );
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152
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153
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154 // Install signal handlers
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155 {
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156 struct sigaction sa;
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157
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158 sa.sa_handler = sigusr2;
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159 sa.sa_mask = mask;
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160 sa.sa_flags = 0;
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161
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162 ret = sigaction( SIGUSR2, &sa, NULL );
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163
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164 CYG_TEST_CHECK( ret == 0 , "sigaction returned error");
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165 }
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166
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167 {
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168 struct sigaction sa;
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169
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170 sa.sa_handler = sigalrm;
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171 sa.sa_mask = mask;
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172 sa.sa_flags = 0;
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173
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174 ret = sigaction( SIGALRM, &sa, NULL );
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175
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176 CYG_TEST_CHECK( ret == 0 , "sigaction returned error");
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177 }
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178
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179
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180 // Mask all signals
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181 pthread_sigmask( SIG_SETMASK, &mask, NULL );
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182
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183 sem_init( &sem, 0, 0 );
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184
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185 // Create test thread
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186 pthread_attr_init( &attr );
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187
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188 pthread_attr_setstackaddr( &attr, (void *)&thread_stack[sizeof(thread_stack)] );
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189 pthread_attr_setstacksize( &attr, sizeof(thread_stack) );
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190
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191 pthread_create( &thread1,
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192 &attr,
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193 pthread_entry1,
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194 (void *)0x12345678);
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195
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196 // Wait for other thread to get started
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197 CYG_TEST_INFO( "Main: calling sem_wait()");
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198 sem_wait( &sem );
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199
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200 value.sival_int = 0;
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201
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202 // send a signal to the other thread
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203 CYG_TEST_INFO( "Main: calling sigqueue(SIGUSR1)");
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204 sigqueue( 0, SIGUSR1, value );
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205
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206 // Send the signal via kill
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207 CYG_TEST_INFO( "Main: calling kill(0, SIGUSR2)");
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208 kill( 0, SIGUSR2 );
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209
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210 // Wait for thread1 to call pause()
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211 CYG_TEST_INFO( "Main: calling sleep(1)");
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212 sleep(1);
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213
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214 // And again
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215 CYG_TEST_INFO( "Main: calling kill(0, SIGUSR2)");
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216 kill( 0, SIGUSR2 );
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217
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218 // Set up an alarm for 1 second hence
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219 CYG_TEST_INFO( "Main: calling alarm(1)");
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220 alarm(1);
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221
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222 // Wait for alarm signal to be delivered to thread1
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223 CYG_TEST_INFO( "Main: calling sleep(2)");
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224 sleep(2);
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225
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226 // Now join with thread1
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227 CYG_TEST_INFO( "Main: calling pthread_join()");
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228 pthread_join( thread1, &retval );
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229
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230 CYG_TEST_CHECK( sigusr2_called == 2, "SIGUSR2 signal handler not called twice" );
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231
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232 CYG_TEST_CHECK( sigalrm_called == 1, "SIGALRM signal handler not called" );
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233
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234 // check retval
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235
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236 if( (long)retval == 0x12345678+SIGUSR1 )
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237 CYG_TEST_PASS_FINISH( "signal1" );
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238 else
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239 CYG_TEST_FAIL_FINISH( "signal1" );
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240 }
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241
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242 //--------------------------------------------------------------------------
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243 // end of signal1.c