[9594cdb] | 1 | /* |
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[abd604a] | 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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[0252200] | 13 | #define CONFIGURE_INIT |
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[abd604a] | 14 | #include "system.h" |
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[0a359a7] | 15 | #include <sched.h> |
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[abd604a] | 16 | |
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[be1c11ed] | 17 | void *POSIX_Init( |
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[0252200] | 18 | void *argument |
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[abd604a] | 19 | ) |
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| 20 | { |
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[e2ceeca7] | 21 | struct timespec tv; |
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| 22 | struct timespec tr; |
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[9594cdb] | 23 | int status; |
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[95645a4] | 24 | int priority; |
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[9594cdb] | 25 | pthread_t thread_id; |
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| 26 | time_t seconds; |
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[d60d9505] | 27 | time_t seconds1; |
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[e984c645] | 28 | time_t remaining; |
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[9594cdb] | 29 | struct tm tm; |
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[86fc81e] | 30 | |
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[0252200] | 31 | puts( "\n\n*** POSIX TEST 1 ***" ); |
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[86fc81e] | 32 | |
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[e2ceeca7] | 33 | build_time( &tm, TM_FRIDAY, TM_MAY, 24, 96, 11, 5, 0 ); |
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| 34 | |
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[c4f5e752] | 35 | /* error cases in clock_gettime and clock_settime */ |
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| 36 | |
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| 37 | puts( "Init: clock_gettime - EINVAL (invalid clockid)" ); |
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| 38 | status = clock_settime( -1, &tv ); |
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| 39 | assert( status == -1 ); |
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| 40 | assert( errno == EINVAL ); |
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| 41 | |
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| 42 | puts( "Init: clock_settime - EINVAL (invalid clockid)" ); |
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| 43 | status = clock_settime( -1, &tv ); |
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| 44 | assert( status == -1 ); |
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| 45 | assert( errno == EINVAL ); |
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| 46 | |
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[5da2ae8] | 47 | /* exercise clock_getres */ |
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| 48 | |
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| 49 | puts( "Init: clock_getres - EINVAL (invalid clockid)" ); |
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| 50 | status = clock_getres( -1, &tv ); |
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| 51 | assert( status == -1 ); |
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| 52 | assert( errno == EINVAL ); |
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| 53 | |
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| 54 | puts( "Init: clock_getres - EINVAL (NULL resolution)" ); |
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| 55 | status = clock_getres( CLOCK_REALTIME, NULL ); |
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| 56 | assert( status == -1 ); |
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| 57 | assert( errno == EINVAL ); |
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| 58 | |
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| 59 | puts( "Init: clock_getres - SUCCESSFUL" ); |
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| 60 | status = clock_getres( CLOCK_REALTIME, &tv ); |
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| 61 | printf( "Init: resolution = sec (%ld), nsec (%ld)\n", tv.tv_sec, tv.tv_nsec ); |
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| 62 | assert( !status ); |
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| 63 | |
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| 64 | /* set the time of day, and print our buffer in multiple ways */ |
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| 65 | |
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| 66 | tv.tv_sec = mktime( &tm ); |
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| 67 | assert( tv.tv_sec != -1 ); |
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| 68 | |
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| 69 | tv.tv_nsec = 0; |
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| 70 | |
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[c4f5e752] | 71 | /* now set the time of day */ |
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| 72 | |
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[5da2ae8] | 73 | empty_line(); |
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| 74 | |
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[c4f5e752] | 75 | printf( asctime( &tm ) ); |
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| 76 | puts( "Init: clock_settime - SUCCESSFUL" ); |
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[9594cdb] | 77 | status = clock_settime( CLOCK_REALTIME, &tv ); |
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| 78 | assert( !status ); |
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| 79 | |
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| 80 | printf( asctime( &tm ) ); |
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| 81 | printf( ctime( &tv.tv_sec ) ); |
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| 82 | |
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[19962562] | 83 | /* use sleep to delay */ |
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| 84 | |
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[e984c645] | 85 | remaining = sleep( 3 ); |
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| 86 | assert( !remaining ); |
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[19962562] | 87 | |
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| 88 | /* print new times to make sure it has changed and we can get the realtime */ |
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[9594cdb] | 89 | |
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| 90 | status = clock_gettime( CLOCK_REALTIME, &tv ); |
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| 91 | assert( !status ); |
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| 92 | |
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| 93 | printf( ctime( &tv.tv_sec ) ); |
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| 94 | |
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| 95 | seconds = time( NULL ); |
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| 96 | printf( ctime( &seconds ) ); |
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| 97 | |
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[d60d9505] | 98 | /* just to have the value copied out through the parameter */ |
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| 99 | |
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| 100 | seconds = time( &seconds1 ); |
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| 101 | assert( seconds == seconds1 ); |
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| 102 | |
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[e984c645] | 103 | /* check the time remaining */ |
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| 104 | |
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[644c0fa6] | 105 | printf( "Init: seconds remaining (%d)\n", (int)remaining ); |
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[e984c645] | 106 | assert( !remaining ); |
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| 107 | |
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[c4f5e752] | 108 | /* error cases in nanosleep */ |
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| 109 | |
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[5da2ae8] | 110 | empty_line(); |
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[c4f5e752] | 111 | puts( "Init: nanosleep - EINVAL (NULL time)" ); |
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| 112 | status = nanosleep ( NULL, &tr ); |
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| 113 | assert( status == -1 ); |
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| 114 | assert( errno == EINVAL ); |
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| 115 | |
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| 116 | tv.tv_sec = -1; |
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| 117 | puts( "Init: nanosleep - EAGAIN (negative seconds)" ); |
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| 118 | status = nanosleep ( &tv, &tr ); |
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| 119 | assert( status == -1 ); |
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| 120 | assert( errno == EAGAIN ); |
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| 121 | |
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| 122 | tv.tv_sec = 0; |
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| 123 | tv.tv_nsec = TOD_NANOSECONDS_PER_SECOND * 2; |
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| 124 | puts( "Init: nanosleep - EINVAL (too many nanoseconds)" ); |
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| 125 | status = nanosleep ( &tv, &tr ); |
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| 126 | assert( status == -1 ); |
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| 127 | assert( errno == EINVAL ); |
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| 128 | |
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| 129 | /* use nanosleep to yield */ |
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| 130 | |
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| 131 | tv.tv_sec = 0; |
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| 132 | tv.tv_nsec = 0; |
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| 133 | |
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| 134 | puts( "Init: nanosleep - yield" ); |
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| 135 | status = nanosleep ( &tv, &tr ); |
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| 136 | assert( !status ); |
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| 137 | assert( !tr.tv_sec ); |
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| 138 | assert( !tr.tv_nsec ); |
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| 139 | |
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[19962562] | 140 | /* use nanosleep to delay */ |
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| 141 | |
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| 142 | tv.tv_sec = 3; |
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| 143 | tv.tv_nsec = 500000; |
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| 144 | |
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[c4f5e752] | 145 | puts( "Init: nanosleep - 3.05 seconds" ); |
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[19962562] | 146 | status = nanosleep ( &tv, &tr ); |
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| 147 | assert( !status ); |
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| 148 | |
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| 149 | /* print the current real time again */ |
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| 150 | |
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| 151 | status = clock_gettime( CLOCK_REALTIME, &tv ); |
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| 152 | assert( !status ); |
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| 153 | |
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| 154 | printf( ctime( &tv.tv_sec ) ); |
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| 155 | |
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| 156 | /* check the time remaining */ |
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| 157 | |
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[644c0fa6] | 158 | printf( "Init: sec (%ld), nsec (%ld) remaining\n", tr.tv_sec, tr.tv_nsec ); |
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[19962562] | 159 | assert( !tr.tv_sec && !tr.tv_nsec ); |
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| 160 | |
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[15974b65] | 161 | /* get id of this thread */ |
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| 162 | |
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| 163 | Init_id = pthread_self(); |
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[644c0fa6] | 164 | printf( "Init: ID is 0x%08x\n", Init_id ); |
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[15974b65] | 165 | |
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[f643e230] | 166 | /* exercise get minimum priority */ |
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[95645a4] | 167 | |
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| 168 | priority = sched_get_priority_min( SCHED_FIFO ); |
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[f643e230] | 169 | printf( "Init: sched_get_priority_min (SCHED_FIFO) -- %d\n", priority ); |
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[95645a4] | 170 | assert( priority != -1 ); |
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| 171 | |
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[f643e230] | 172 | puts( "Init: sched_get_priority_min -- EINVAL (invalid policy)" ); |
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| 173 | priority = sched_get_priority_min( -1 ); |
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| 174 | assert( priority == -1 ); |
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| 175 | assert( errno == EINVAL ); |
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| 176 | |
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| 177 | /* exercise get maximum priority */ |
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[95645a4] | 178 | |
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| 179 | priority = sched_get_priority_max( SCHED_FIFO ); |
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[f643e230] | 180 | printf( "Init: sched_get_priority_max (SCHED_FIFO) -- %d\n", priority ); |
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[95645a4] | 181 | assert( priority != -1 ); |
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| 182 | |
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[f643e230] | 183 | puts( "Init: sched_get_priority_min -- EINVAL (invalid policy)" ); |
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| 184 | priority = sched_get_priority_min( -1 ); |
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| 185 | assert( priority == -1 ); |
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| 186 | assert( errno == EINVAL ); |
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| 187 | |
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[95645a4] | 188 | /* print the round robin time quantum */ |
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| 189 | |
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| 190 | status = sched_rr_get_interval( getpid(), &tr ); |
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| 191 | printf( |
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[644c0fa6] | 192 | "Init: Round Robin quantum is %ld seconds, %ld nanoseconds\n", |
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| 193 | tr.tv_sec, |
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| 194 | tr.tv_nsec |
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[95645a4] | 195 | ); |
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| 196 | assert( !status ); |
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| 197 | |
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[9594cdb] | 198 | /* create a thread */ |
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[86fc81e] | 199 | |
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[f643e230] | 200 | puts( "Init: pthread_create - SUCCESSFUL" ); |
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| 201 | status = pthread_create( &thread_id, NULL, Task_1_through_3, NULL ); |
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| 202 | assert( !status ); |
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| 203 | |
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| 204 | /* too may threads error */ |
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| 205 | |
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[fdf6917] | 206 | puts( "Init: pthread_create - EAGAIN (too many threads)" ); |
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[2197a2e1] | 207 | status = pthread_create( &thread_id, NULL, Task_1_through_3, NULL ); |
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[fdf6917] | 208 | assert( status == EAGAIN ); |
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[f643e230] | 209 | |
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| 210 | puts( "Init: sched_yield to Task_1" ); |
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| 211 | status = sched_yield(); |
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[2197a2e1] | 212 | assert( !status ); |
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| 213 | |
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[f643e230] | 214 | /* switch to Task_1 */ |
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| 215 | |
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[9594cdb] | 216 | /* exit this thread */ |
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| 217 | |
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[f643e230] | 218 | puts( "Init: pthread_exit" ); |
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[0252200] | 219 | pthread_exit( NULL ); |
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[2197a2e1] | 220 | |
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[f643e230] | 221 | /* switch to Task_1 */ |
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| 222 | |
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[893103c] | 223 | return NULL; /* just so the compiler thinks we returned something */ |
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[abd604a] | 224 | } |
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