1 | /* |
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2 | * COPYRIGHT (c) 1989, 1990, 1991, 1992, 1993, 1994. |
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3 | * On-Line Applications Research Corporation (OAR). |
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4 | * All rights assigned to U.S. Government, 1994. |
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5 | * |
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6 | * This material may be reproduced by or for the U.S. Government pursuant |
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7 | * to the copyright license under the clause at DFARS 252.227-7013. This |
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8 | * notice must appear in all copies of this file and its derivatives. |
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9 | * |
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10 | * $Id$ |
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11 | */ |
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12 | |
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13 | #define CONFIGURE_INIT |
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14 | #include "system.h" |
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15 | #include <signal.h> |
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16 | |
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17 | volatile int Signal_occurred; |
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18 | volatile int Signal_count; |
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19 | |
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20 | void Signal_handler( |
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21 | int signo |
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22 | ) |
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23 | { |
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24 | Signal_count++; |
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25 | printf( |
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26 | "Signal: %d caught by 0x%x (%d)\n", |
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27 | signo, |
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28 | pthread_self(), |
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29 | Signal_count |
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30 | ); |
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31 | Signal_occurred = 1; |
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32 | } |
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33 | |
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34 | void *POSIX_Init( |
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35 | void *argument |
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36 | ) |
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37 | { |
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38 | int status; |
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39 | struct timespec tv; |
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40 | struct timespec tr; |
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41 | struct sigaction act; |
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42 | sigset_t mask; |
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43 | sigset_t pending_set; |
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44 | |
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45 | puts( "\n\n*** POSIX TEST 4 ***" ); |
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46 | |
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47 | /* set the time of day, and print our buffer in multiple ways */ |
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48 | |
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49 | set_time( TM_FRIDAY, TM_MAY, 24, 96, 11, 5, 0 ); |
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50 | |
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51 | /* get id of this thread */ |
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52 | |
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53 | Init_id = pthread_self(); |
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54 | printf( "Init's ID is 0x%08x\n", Init_id ); |
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55 | |
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56 | /* install a signal handler */ |
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57 | |
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58 | status = sigemptyset( &act.sa_mask ); |
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59 | assert( !status ); |
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60 | |
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61 | act.sa_handler = Signal_handler; |
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62 | act.sa_flags = 0; |
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63 | |
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64 | sigaction( SIGUSR1, &act, NULL ); |
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65 | |
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66 | /* simple signal to process */ |
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67 | |
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68 | Signal_count = 0; |
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69 | Signal_occurred = 0; |
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70 | |
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71 | printf( "Init: send SIGUSR1 to process\n" ); |
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72 | status = kill( getpid(), SIGUSR1 ); |
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73 | assert( !status ); |
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74 | |
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75 | Signal_occurred = 0; |
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76 | |
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77 | /* now block the signal, send it, see if it is pending, and unblock it */ |
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78 | |
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79 | status = sigemptyset( &mask ); |
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80 | assert( !status ); |
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81 | |
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82 | status = sigaddset( &mask, SIGUSR1 ); |
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83 | assert( !status ); |
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84 | |
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85 | printf( "Init: Block SIGUSR1\n" ); |
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86 | status = sigprocmask( SIG_BLOCK, &mask, NULL ); |
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87 | assert( !status ); |
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88 | |
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89 | status = sigpending( &pending_set ); |
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90 | assert( !status ); |
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91 | printf( "Init: Signals pending 0x%08x\n", pending_set ); |
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92 | |
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93 | printf( "Init: send SIGUSR1 to process\n" ); |
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94 | status = kill( getpid(), SIGUSR1 ); |
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95 | assert( !status ); |
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96 | |
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97 | status = sigpending( &pending_set ); |
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98 | assert( !status ); |
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99 | printf( "Init: Signals pending 0x%08x\n", pending_set ); |
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100 | |
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101 | printf( "Init: Unblock SIGUSR1\n" ); |
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102 | status = sigprocmask( SIG_UNBLOCK, &mask, NULL ); |
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103 | assert( !status ); |
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104 | |
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105 | puts( "*** END OF POSIX TEST 4 ***" ); |
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106 | exit( 0 ); |
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107 | |
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108 | /* create a thread */ |
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109 | |
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110 | status = pthread_create( &Task_id, NULL, Task_1_through_3, NULL ); |
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111 | assert( !status ); |
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112 | |
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113 | /* |
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114 | * Loop for 5 seconds seeing how many signals we catch |
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115 | */ |
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116 | |
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117 | tr.tv_sec = 5; |
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118 | tr.tv_nsec = 0; |
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119 | |
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120 | do { |
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121 | tv = tr; |
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122 | |
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123 | Signal_occurred = 0; |
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124 | |
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125 | status = nanosleep ( &tv, &tr ); |
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126 | assert( !status ); |
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127 | |
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128 | printf( |
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129 | "Init: signal was %sprocessed with %d:%d time remaining\n", |
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130 | (Signal_occurred) ? "" : "not ", |
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131 | (int) tr.tv_sec, |
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132 | (int) tr.tv_nsec |
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133 | ); |
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134 | |
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135 | } while ( tr.tv_sec || tr.tv_nsec ); |
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136 | |
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137 | /* exit this thread */ |
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138 | |
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139 | puts( "*** END OF POSIX TEST 4 ***" ); |
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140 | exit( 0 ); |
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141 | |
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142 | return NULL; /* just so the compiler thinks we returned something */ |
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143 | } |
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