[1094754f] | 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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