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 | #define CONFIGURE_INIT |
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13 | #include "system.h" |
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14 | #include <signal.h> |
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15 | #include <errno.h> |
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16 | typedef void (*sighandler_t)(int); |
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17 | sighandler_t signal(int signum, sighandler_t handler); |
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18 | extern void _POSIX_signals_Abnormal_termination_handler( int signo ); |
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19 | |
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20 | volatile int Signal_occurred; |
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21 | volatile int Signal_count; |
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22 | |
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23 | void Handler_1( |
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24 | int signo |
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25 | ) |
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26 | { |
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27 | Signal_count++; |
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28 | printf( |
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29 | "Handler_1: Signal: %d caught by 0x%" PRIxpthread_t " (%d)\n", |
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30 | signo, |
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31 | pthread_self(), |
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32 | Signal_count |
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33 | ); |
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34 | Signal_occurred = 1; |
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35 | } |
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36 | |
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37 | void Signal_handler( |
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38 | int signo |
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39 | ) |
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40 | { |
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41 | Signal_count++; |
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42 | printf( |
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43 | "Signal: %d caught by 0x%"PRIxpthread_t " (%d)\n", |
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44 | signo, |
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45 | pthread_self(), |
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46 | Signal_count |
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47 | ); |
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48 | Signal_occurred = 1; |
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49 | } |
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50 | |
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51 | void Signal_info_handler( |
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52 | int signo, |
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53 | siginfo_t *info, |
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54 | void *context |
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55 | ) |
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56 | { |
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57 | Signal_count++; |
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58 | printf( |
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59 | "Signal_info: %d caught by 0x%" PRIxpthread_t " (%d) si_signo= %d si_code= %d value= %d\n", |
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60 | signo, |
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61 | pthread_self(), |
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62 | Signal_count, |
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63 | info->si_signo, |
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64 | info->si_code, |
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65 | info->si_value.sival_int |
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66 | ); |
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67 | Signal_occurred = 1; |
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68 | } |
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69 | |
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70 | rtems_timer_service_routine Signal_duringISR_TSR( |
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71 | rtems_id ignored_id, |
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72 | void *ignored_address |
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73 | ) |
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74 | { |
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75 | int status; |
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76 | status = pthread_kill( pthread_self(), SIGUSR1 ); |
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77 | } |
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78 | |
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79 | |
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80 | void *POSIX_Init( |
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81 | void *argument |
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82 | ) |
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83 | { |
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84 | int status; |
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85 | struct sigaction act; |
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86 | sigset_t mask; |
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87 | sighandler_t oldHandler; |
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88 | sighandler_t newHandler; |
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89 | rtems_interval start, end; |
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90 | |
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91 | puts( "\n\n*** POSIX TEST SIGNAL ***" ); |
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92 | |
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93 | /* set the time of day, and print our buffer in multiple ways */ |
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94 | |
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95 | set_time( TM_FRIDAY, TM_MAY, 24, 96, 11, 5, 0 ); |
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96 | |
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97 | /* get id of this thread */ |
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98 | |
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99 | Init_id = pthread_self(); |
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100 | printf( "Init's ID is 0x%08" PRIxpthread_t "\n", Init_id ); |
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101 | |
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102 | Signal_occurred = 0; |
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103 | Signal_count = 0; |
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104 | act.sa_handler = Handler_1; |
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105 | act.sa_flags = 0; |
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106 | sigaction( SIGUSR1, &act, NULL ); |
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107 | sigaction( SIGFPE, &act, NULL ); |
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108 | sigaction( SIGILL, &act, NULL ); |
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109 | sigaction( SIGSEGV, &act, NULL ); |
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110 | |
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111 | |
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112 | /* |
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113 | * If we have the signal pending with default, we will die. |
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114 | */ |
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115 | puts("Validate signal with SIG_DFL"); |
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116 | signal( SIGUSR1, SIG_DFL ); |
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117 | status = kill( getpid(), SIGUSR1 ); |
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118 | status = sleep( 1 ); |
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119 | |
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120 | puts("Validate signal with SIG_IGN"); |
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121 | signal( SIGUSR1, SIG_IGN ); |
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122 | status = kill( getpid(), SIGUSR1 ); |
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123 | status = sleep( 1 ); |
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124 | |
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125 | /* unblock Signal and see if it happened */ |
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126 | status = sigemptyset( &mask ); |
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127 | rtems_test_assert( !status ); |
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128 | |
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129 | status = sigaddset( &mask, SIGUSR1 ); |
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130 | rtems_test_assert( !status ); |
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131 | |
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132 | status = sigaddset( &mask, SIGFPE ); |
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133 | rtems_test_assert( !status ); |
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134 | |
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135 | status = sigaddset( &mask, SIGILL ); |
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136 | rtems_test_assert( !status ); |
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137 | |
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138 | status = sigaddset( &mask, SIGSEGV ); |
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139 | rtems_test_assert( !status ); |
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140 | |
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141 | puts( "Init: Unblock SIGUSR1 SIGFPE SIGILL SIGSEGV" ); |
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142 | status = sigprocmask( SIG_UNBLOCK, &mask, NULL ); |
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143 | rtems_test_assert( !status ); |
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144 | |
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145 | /* install a signal handler for SIGUSR1 */ |
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146 | Signal_occurred = 0; |
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147 | Signal_count = 0; |
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148 | act.sa_handler = Handler_1; |
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149 | act.sa_flags = 0; |
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150 | sigaction( SIGUSR1, &act, NULL ); |
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151 | |
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152 | Signal_count = 0; |
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153 | Signal_occurred = 0; |
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154 | |
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155 | newHandler = Signal_handler; |
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156 | oldHandler = signal( SIGUSR1, newHandler ); |
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157 | if (oldHandler == Handler_1 ) |
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158 | puts("Init: signal return value verified"); |
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159 | else |
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160 | puts("Init: ERROR==> signal unexpected return value" ); |
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161 | status = sleep( 1 ); |
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162 | |
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163 | puts( "Init: send SIGUSR1 to process" ); |
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164 | status = kill( getpid(), SIGUSR1 ); |
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165 | status = sleep( 5 ); |
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166 | |
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167 | puts( "Init: send SIGFPE to process" ); |
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168 | status = _kill_r( NULL, getpid(), SIGFPE ); |
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169 | status = sleep(5); |
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170 | |
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171 | puts( "Init: send SIGILL to process" ); |
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172 | status = _kill_r( NULL, getpid(), SIGILL ); |
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173 | status = sleep(5); |
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174 | |
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175 | puts( "Init: send SIGSEGV to process" ); |
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176 | status = _kill_r( NULL, getpid(), SIGSEGV ); |
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177 | status = sleep(5); |
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178 | |
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179 | Timer_name[0]= rtems_build_name( 'T', 'M', '1', ' ' ); |
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180 | status = rtems_timer_create( Timer_name[0], &Timer_id[0]); |
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181 | |
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182 | Signal_count = 0; |
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183 | Signal_occurred = 0; |
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184 | puts( "Init: send SIGUSR1 to process from a TSR (interruptible sleep)" ); |
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185 | status = rtems_timer_fire_after( |
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186 | Timer_id[ 0 ], |
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187 | 1, |
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188 | Signal_duringISR_TSR, |
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189 | NULL |
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190 | ); |
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191 | sleep(5); |
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192 | /* signal occurs during interruptible sleep */ |
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193 | |
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194 | /* now schedule another one to fire but do not sleep */ |
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195 | |
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196 | puts( "Init: send SIGUSR1 to process from a TSR (spin)" ); |
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197 | start = rtems_clock_get_ticks_since_boot(); |
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198 | Signal_count = 0; |
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199 | Signal_occurred = 0; |
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200 | status = rtems_timer_fire_after( |
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201 | Timer_id[ 0 ], |
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202 | 10, |
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203 | Signal_duringISR_TSR, |
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204 | NULL |
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205 | ); |
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206 | do { |
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207 | end = rtems_clock_get_ticks_since_boot(); |
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208 | } while ( !Signal_occurred && ((end - start) <= 800)); |
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209 | |
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210 | if ( !Signal_occurred ) { |
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211 | puts( "Signal did not occur" ); |
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212 | rtems_test_exit(0); |
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213 | } |
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214 | |
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215 | /* end of install a signal handler for SIGUSR1 */ |
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216 | |
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217 | Signal_occurred = 0; |
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218 | |
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219 | puts("*** Validate unexpected program termination ***"); |
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220 | puts( "*** END OF POSIX TEST SIGNAL ***" ); |
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221 | _POSIX_signals_Abnormal_termination_handler( SIGUSR1 ); |
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222 | status = sleep( 1 ); |
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223 | |
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224 | puts( "ERROR==> Expected program termination"); |
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225 | rtems_test_exit(0); |
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226 | return NULL; /* just so the compiler thinks we returned something */ |
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227 | } |
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