[c6d15c2] | 1 | /* |
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[60b791ad] | 2 | * COPYRIGHT (c) 1989-1998. |
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[c6d15c2] | 3 | * On-Line Applications Research Corporation (OAR). |
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[03f2154e] | 4 | * Copyright assigned to U.S. Government, 1994. |
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[c6d15c2] | 5 | * |
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[98e4ebf5] | 6 | * The license and distribution terms for this file may be |
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| 7 | * found in the file LICENSE in this distribution or at |
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[03f2154e] | 8 | * http://www.OARcorp.com/rtems/license.html. |
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[c6d15c2] | 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 <errno.h> |
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| 16 | |
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[51f5d64c] | 17 | #define MUTEX_BAD_ID 0xfffffffe |
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[d06e9ca] | 18 | |
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[c6d15c2] | 19 | void Print_mutexattr( |
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| 20 | char *msg, |
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| 21 | pthread_mutexattr_t *attr |
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| 22 | ) |
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| 23 | { |
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| 24 | int status; |
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| 25 | int protocol; |
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| 26 | int prioceiling; |
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| 27 | int pshared; |
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| 28 | |
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| 29 | /* protocol */ |
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| 30 | |
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| 31 | status = pthread_mutexattr_getprotocol( attr, &protocol ); |
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| 32 | assert( !status ); |
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| 33 | |
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| 34 | printf( "%smutex protocol is (%d) -- ", msg, protocol ); |
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| 35 | switch ( protocol ) { |
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| 36 | case PTHREAD_PRIO_NONE: |
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[9f1a034e] | 37 | puts( "PTHREAD_PRIO_NONE" ); |
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[c6d15c2] | 38 | break; |
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| 39 | case PTHREAD_PRIO_INHERIT: |
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[9f1a034e] | 40 | puts( "PTHREAD_PRIO_INHERIT" ); |
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[c6d15c2] | 41 | break; |
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| 42 | case PTHREAD_PRIO_PROTECT: |
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[9f1a034e] | 43 | puts( "PTHREAD_PRIO_PROTECT" ); |
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[c6d15c2] | 44 | break; |
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| 45 | default: |
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[9f1a034e] | 46 | puts( "UNKNOWN" ); |
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[c6d15c2] | 47 | assert( 0 ); |
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| 48 | break; |
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| 49 | } |
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| 50 | |
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| 51 | /* priority ceiling */ |
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| 52 | |
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| 53 | status = pthread_mutexattr_getprioceiling( attr, &prioceiling ); |
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| 54 | assert( !status ); |
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| 55 | printf( "%smutex priority ceiling is %d\n", msg, prioceiling ); |
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| 56 | |
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| 57 | /* process shared */ |
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| 58 | |
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| 59 | status = pthread_mutexattr_getpshared( attr, &pshared ); |
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| 60 | assert( !status ); |
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| 61 | printf( "%smutex process shared is (%d) -- ", msg, pshared ); |
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| 62 | switch ( pshared ) { |
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| 63 | case PTHREAD_PROCESS_PRIVATE: |
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[9f1a034e] | 64 | puts( "PTHREAD_PROCESS_PRIVATE" ); |
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[c6d15c2] | 65 | break; |
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| 66 | case PTHREAD_PROCESS_SHARED: |
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[9f1a034e] | 67 | puts( "PTHREAD_PROCESS_SHARED" ); |
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[c6d15c2] | 68 | break; |
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| 69 | default: |
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[9f1a034e] | 70 | puts( "UNKNOWN" ); |
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[c6d15c2] | 71 | assert( 0 ); |
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| 72 | break; |
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| 73 | } |
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| 74 | } |
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| 75 | |
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| 76 | void *POSIX_Init( |
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| 77 | void *argument |
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| 78 | ) |
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| 79 | { |
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| 80 | int status; |
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| 81 | pthread_mutexattr_t attr; |
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[13adea0] | 82 | pthread_mutexattr_t destroyed_attr; |
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[ce78b894] | 83 | struct timespec times; |
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[9f1a034e] | 84 | struct sched_param param; |
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[da2e539] | 85 | int pshared; |
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[9f1a034e] | 86 | int policy; |
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[d06e9ca] | 87 | int protocol; |
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[9f1a034e] | 88 | int ceiling; |
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| 89 | int old_ceiling; |
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[c6d15c2] | 90 | |
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[d06e9ca] | 91 | assert( MUTEX_BAD_ID != PTHREAD_MUTEX_INITIALIZER ); |
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| 92 | Mutex_bad_id = MUTEX_BAD_ID; |
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| 93 | |
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[c6d15c2] | 94 | puts( "\n\n*** POSIX TEST 5 ***" ); |
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| 95 | |
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| 96 | /* set the time of day, and print our buffer in multiple ways */ |
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| 97 | |
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| 98 | set_time( TM_FRIDAY, TM_MAY, 24, 96, 11, 5, 0 ); |
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| 99 | |
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| 100 | /* get id of this thread */ |
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| 101 | |
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| 102 | Init_id = pthread_self(); |
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| 103 | printf( "Init's ID is 0x%08x\n", Init_id ); |
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| 104 | |
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[13adea0] | 105 | /* tes pthread_mutex_attr_init */ |
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[c6d15c2] | 106 | |
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[c03aeaf] | 107 | puts( "Init: pthread_mutexattr_init - EINVAL (NULL attr)" ); |
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| 108 | status = pthread_mutexattr_init( NULL ); |
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| 109 | assert( status == EINVAL ); |
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| 110 | |
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[76117f2b] | 111 | puts( "Init: pthread_mutexattr_init - SUCCESSFUL" ); |
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[c6d15c2] | 112 | status = pthread_mutexattr_init( &attr ); |
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| 113 | assert( !status ); |
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| 114 | |
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| 115 | Print_mutexattr( "Init: ", &attr ); |
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| 116 | |
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[13adea0] | 117 | /* create an "uninitialized" attribute structure */ |
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| 118 | |
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| 119 | status = pthread_mutexattr_init( &destroyed_attr ); |
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| 120 | assert( !status ); |
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| 121 | |
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| 122 | puts( "Init: pthread_mutexattr_destroy - SUCCESSFUL" ); |
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| 123 | status = pthread_mutexattr_destroy( &destroyed_attr ); |
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| 124 | assert( !status ); |
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| 125 | |
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| 126 | puts( "Init: pthread_mutexattr_destroy - EINVAL (NULL attr)" ); |
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| 127 | status = pthread_mutexattr_destroy( NULL ); |
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| 128 | assert( status == EINVAL ); |
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| 129 | |
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| 130 | puts( "Init: pthread_mutexattr_destroy - EINVAL (not initialized)" ); |
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| 131 | status = pthread_mutexattr_destroy( &destroyed_attr ); |
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| 132 | assert( status == EINVAL ); |
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| 133 | |
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[d06e9ca] | 134 | /* error cases for set and get pshared attribute */ |
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| 135 | |
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| 136 | empty_line(); |
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[da2e539] | 137 | |
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| 138 | puts( "Init: pthread_mutexattr_getpshared - EINVAL (NULL attr)" ); |
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| 139 | status = pthread_mutexattr_getpshared( NULL, &pshared ); |
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| 140 | assert( status == EINVAL ); |
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| 141 | |
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[d06e9ca] | 142 | puts( "Init: pthread_mutexattr_getpshared - EINVAL (NULL pshared)" ); |
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[da2e539] | 143 | status = pthread_mutexattr_getpshared( &attr, NULL ); |
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| 144 | assert( status == EINVAL ); |
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| 145 | |
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| 146 | puts( "Init: pthread_mutexattr_getpshared - EINVAL (not initialized)" ); |
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| 147 | status = pthread_mutexattr_getpshared( &destroyed_attr, &pshared ); |
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| 148 | assert( status == EINVAL ); |
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| 149 | |
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[d06e9ca] | 150 | pshared = PTHREAD_PROCESS_PRIVATE; |
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| 151 | puts( "Init: pthread_mutexattr_setpshared - EINVAL (NULL attr)" ); |
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| 152 | status = pthread_mutexattr_setpshared( NULL, pshared ); |
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| 153 | assert( status == EINVAL ); |
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| 154 | |
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| 155 | pshared = PTHREAD_PROCESS_PRIVATE; |
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| 156 | puts( "Init: pthread_mutexattr_setpshared - EINVAL (not initialized)" ); |
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| 157 | status = pthread_mutexattr_setpshared( &destroyed_attr, pshared ); |
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| 158 | assert( status == EINVAL ); |
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| 159 | |
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| 160 | /* error cases for set and get protocol attribute */ |
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| 161 | |
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| 162 | empty_line(); |
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| 163 | |
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| 164 | puts( "Init: pthread_mutexattr_getprotocol - EINVAL (NULL attr)" ); |
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| 165 | status = pthread_mutexattr_getprotocol( NULL, &protocol ); |
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| 166 | assert( status == EINVAL ); |
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| 167 | |
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| 168 | puts( "Init: pthread_mutexattr_getprotocol - EINVAL (NULL protocol)" ); |
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| 169 | status = pthread_mutexattr_getprotocol( &attr, NULL ); |
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| 170 | assert( status == EINVAL ); |
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| 171 | |
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| 172 | puts( "Init: pthread_mutexattr_getprotocol - EINVAL (not initialized)" ); |
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| 173 | status = pthread_mutexattr_getprotocol( &destroyed_attr, &protocol ); |
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| 174 | assert( status == EINVAL ); |
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| 175 | |
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| 176 | puts( "Init: pthread_mutexattr_setprotocol - EINVAL (NULL attr)" ); |
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| 177 | status = pthread_mutexattr_setprotocol( NULL, PTHREAD_PRIO_NONE ); |
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| 178 | assert( status == EINVAL ); |
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| 179 | |
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| 180 | puts( "Init: pthread_mutexattr_setprotocol - EINVAL (invalid protocol)" ); |
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| 181 | status = pthread_mutexattr_setprotocol( &attr, -1 ); |
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| 182 | assert( status == EINVAL ); |
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| 183 | |
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| 184 | puts( "Init: pthread_mutexattr_setprotocol - EINVAL (not initialized)" ); |
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| 185 | status = pthread_mutexattr_setprotocol( &destroyed_attr, -1 ); |
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| 186 | assert( status == EINVAL ); |
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| 187 | |
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| 188 | /* error cases for set and get prioceiling attribute */ |
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| 189 | |
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| 190 | empty_line(); |
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| 191 | |
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| 192 | puts( "Init: pthread_mutexattr_getprioceiling - EINVAL (NULL attr)" ); |
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| 193 | status = pthread_mutexattr_getprioceiling( NULL, &ceiling ); |
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| 194 | assert( status == EINVAL ); |
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| 195 | |
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| 196 | puts( "Init: pthread_mutexattr_getprioceiling - EINVAL (NULL prioceiling)" ); |
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| 197 | status = pthread_mutexattr_getprioceiling( &attr, NULL ); |
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| 198 | assert( status == EINVAL ); |
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| 199 | |
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| 200 | puts( "Init: pthread_mutexattr_getprioceiling - EINVAL (not initialized)" ); |
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| 201 | status = pthread_mutexattr_getprioceiling( &destroyed_attr, &ceiling ); |
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| 202 | assert( status == EINVAL ); |
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| 203 | |
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| 204 | puts( "Init: pthread_mutexattr_setprioceiling - EINVAL (NULL attr)" ); |
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| 205 | status = pthread_mutexattr_setprioceiling( NULL, 128 ); |
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| 206 | assert( status == EINVAL ); |
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| 207 | |
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| 208 | puts( "Init: pthread_mutexattr_setprioceiling - EINVAL (invalid priority)" ); |
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| 209 | status = pthread_mutexattr_setprioceiling( &attr, 512 ); |
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| 210 | if ( status != EINVAL ) |
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| 211 | printf( "status = %d\n", status ); |
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| 212 | assert( status == EINVAL ); |
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| 213 | |
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| 214 | puts( "Init: pthread_mutexattr_setprioceiling - EINVAL (not initialized)" ); |
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| 215 | status = pthread_mutexattr_setprioceiling( &destroyed_attr, -1 ); |
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| 216 | assert( status == EINVAL ); |
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| 217 | |
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| 218 | /* create a thread */ |
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| 219 | |
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| 220 | status = pthread_create( &Task_id, NULL, Task_1, NULL ); |
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| 221 | assert( !status ); |
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| 222 | |
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| 223 | /* now try some basic mutex operations */ |
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| 224 | |
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| 225 | empty_line(); |
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| 226 | |
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[256a462] | 227 | puts( "Init: pthread_mutex_init - EINVAL (NULL mutex_id)" ); |
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| 228 | status = pthread_mutex_init( NULL, &attr ); |
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| 229 | assert( status == EINVAL ); |
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| 230 | |
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[d06e9ca] | 231 | puts( "Init: pthread_mutex_init - EINVAL (not initialized attr)" ); |
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| 232 | status = pthread_mutex_init( &Mutex_id, &destroyed_attr ); |
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| 233 | assert( status == EINVAL ); |
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| 234 | |
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| 235 | /* must get around error checks in attribute set routines */ |
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| 236 | attr.protocol = -1; |
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| 237 | |
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| 238 | puts( "Init: pthread_mutex_init - EINVAL (bad protocol)" ); |
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| 239 | status = pthread_mutex_init( &Mutex_id, &attr ); |
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| 240 | assert( status == EINVAL ); |
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| 241 | |
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| 242 | /* must get around error checks in attribute set routines */ |
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| 243 | attr.protocol = PTHREAD_PRIO_INHERIT; |
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| 244 | attr.prio_ceiling = -1; |
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| 245 | |
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| 246 | puts( "Init: pthread_mutex_init - EINVAL (bad priority ceiling)" ); |
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| 247 | status = pthread_mutex_init( &Mutex_id, &attr ); |
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| 248 | assert( status == EINVAL ); |
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| 249 | |
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| 250 | /* now set up for a success pthread_mutex_init */ |
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| 251 | |
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| 252 | puts( "Init: Resetting mutex attributes" ); |
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| 253 | status = pthread_mutexattr_init( &attr ); |
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| 254 | assert( !status ); |
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[13adea0] | 255 | |
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[9f1a034e] | 256 | puts( "Init: Changing mutex attributes" ); |
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[c6d15c2] | 257 | status = pthread_mutexattr_setprotocol( &attr, PTHREAD_PRIO_INHERIT ); |
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| 258 | assert( !status ); |
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| 259 | |
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| 260 | status = pthread_mutexattr_setprioceiling( &attr, 128 ); |
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| 261 | assert( !status ); |
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| 262 | |
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| 263 | status = pthread_mutexattr_setpshared( &attr, PTHREAD_PROCESS_SHARED ); |
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| 264 | assert( !status ); |
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| 265 | |
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| 266 | Print_mutexattr( "Init: ", &attr ); |
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[d06e9ca] | 267 | |
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[9f1a034e] | 268 | puts( "Init: Resetting mutex attributes" ); |
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[c6d15c2] | 269 | status = pthread_mutexattr_init( &attr ); |
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| 270 | assert( !status ); |
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| 271 | |
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[41616f6] | 272 | /* |
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| 273 | * Set the protocol to priority ceiling so the owner check happens |
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| 274 | * and the EPERM test (later) will work. |
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| 275 | */ |
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| 276 | |
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| 277 | status = pthread_mutexattr_setprotocol( &attr, PTHREAD_PRIO_INHERIT ); |
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| 278 | assert( !status ); |
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| 279 | |
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[76117f2b] | 280 | puts( "Init: pthread_mutex_init - SUCCESSFUL" ); |
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[c6d15c2] | 281 | status = pthread_mutex_init( &Mutex_id, &attr ); |
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| 282 | if ( status ) |
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| 283 | printf( "status = %d\n", status ); |
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| 284 | assert( !status ); |
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| 285 | |
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[256a462] | 286 | puts( "Init: pthread_mutex_init - EBUSY (attempt to initialize an existing mutex)" ); |
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| 287 | status = pthread_mutex_init( &Mutex_id, &attr ); |
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| 288 | if ( !status ) |
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| 289 | printf( "status = %d\n", status ); |
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| 290 | assert( status == EBUSY ); |
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| 291 | |
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[d06e9ca] | 292 | puts( "Init: pthread_mutex_trylock - EINVAL (illegal ID)" ); |
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| 293 | status = pthread_mutex_trylock( &Mutex_bad_id ); |
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| 294 | if ( status != EINVAL ) |
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| 295 | printf( "status = %d\n", status ); |
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| 296 | assert( status == EINVAL ); |
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| 297 | |
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[76117f2b] | 298 | puts( "Init: pthread_mutex_trylock - SUCCESSFUL" ); |
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[c6d15c2] | 299 | status = pthread_mutex_trylock( &Mutex_id ); |
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| 300 | if ( status ) |
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| 301 | printf( "status = %d\n", status ); |
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| 302 | assert( !status ); |
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| 303 | |
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[76117f2b] | 304 | puts( "Init: pthread_mutex_trylock - EDEADLK (already locked)" ); |
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[c6d15c2] | 305 | status = pthread_mutex_trylock( &Mutex_id ); |
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| 306 | if ( status != EDEADLK ) |
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| 307 | printf( "status = %d\n", status ); |
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| 308 | assert( status == EDEADLK ); |
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| 309 | |
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[76117f2b] | 310 | puts( "Init: pthread_mutex_lock - EDEADLK (already locked)" ); |
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[c6d15c2] | 311 | status = pthread_mutex_lock( &Mutex_id ); |
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| 312 | if ( status != EDEADLK ) |
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| 313 | printf( "status = %d\n", status ); |
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| 314 | assert( status == EDEADLK ); |
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| 315 | |
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[9f1a034e] | 316 | puts( "Init: Sleep 1 second" ); |
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[c6d15c2] | 317 | |
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| 318 | sleep( 1 ); |
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| 319 | |
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| 320 | /* switch to task 1 */ |
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| 321 | |
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[d06e9ca] | 322 | puts( "Init: pthread_mutex_unlock - EINVAL (invalid id)" ); |
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| 323 | status = pthread_mutex_unlock( &Mutex_bad_id ); |
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| 324 | if ( status != EINVAL ) |
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| 325 | printf( "status = %d\n", status ); |
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| 326 | assert( status == EINVAL ); |
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| 327 | |
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[76117f2b] | 328 | puts( "Init: pthread_mutex_unlock - SUCCESSFUL" ); |
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[c6d15c2] | 329 | status = pthread_mutex_unlock( &Mutex_id ); |
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| 330 | if ( status ) |
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| 331 | printf( "status = %d\n", status ); |
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| 332 | assert( !status ); |
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| 333 | |
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[76117f2b] | 334 | puts( "Init: pthread_mutex_unlock - EPERM (not owner)" ); |
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[c6d15c2] | 335 | status = pthread_mutex_unlock( &Mutex_id ); |
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| 336 | if ( status != EPERM ) |
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| 337 | printf( "status = %d\n", status ); |
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| 338 | assert( status == EPERM ); |
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| 339 | |
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[ce78b894] | 340 | times.tv_sec = 0; |
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| 341 | times.tv_nsec = 500000000; |
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[76117f2b] | 342 | puts( "Init: pthread_mutex_timedlock - time out in 1/2 second" ); |
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[ce78b894] | 343 | status = pthread_mutex_timedlock( &Mutex_id, × ); |
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| 344 | if ( status != EAGAIN ) |
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| 345 | printf( "status = %d\n", status ); |
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| 346 | assert( status == EAGAIN ); |
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| 347 | |
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| 348 | /* switch to idle */ |
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| 349 | |
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[76117f2b] | 350 | puts( "Init: pthread_mutex_timedlock - EAGAIN (timeout)" ); |
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[9f1a034e] | 351 | |
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| 352 | /* destroy a mutex */ |
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| 353 | |
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| 354 | empty_line(); |
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| 355 | |
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[76117f2b] | 356 | puts( "Init: pthread_mutex_init - SUCCESSFUL" ); |
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[9f1a034e] | 357 | status = pthread_mutex_init( &Mutex2_id, &attr ); |
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| 358 | if ( status ) |
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| 359 | printf( "status = %d\n", status ); |
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| 360 | assert( !status ); |
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| 361 | |
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[fb7d080] | 362 | puts( "Init: pthread_mutex_init - EAGAIN (too many)" ); |
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[d06e9ca] | 363 | status = pthread_mutex_init( &Mutex3_id, &attr ); |
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[fb7d080] | 364 | assert( status == EAGAIN ); |
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[d06e9ca] | 365 | |
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[76117f2b] | 366 | puts( "Init: pthread_mutexattr_destroy - SUCCESSFUL" ); |
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[9f1a034e] | 367 | status = pthread_mutexattr_destroy( &attr ); |
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| 368 | assert( !status ); |
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| 369 | |
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[76117f2b] | 370 | puts( "Init: pthread_mutex_destroy - SUCCESSFUL" ); |
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[9f1a034e] | 371 | status = pthread_mutex_destroy( &Mutex2_id ); |
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| 372 | assert( !status ); |
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| 373 | |
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[d06e9ca] | 374 | puts( "Init: pthread_mutex_destroy - EINVAL (invalid id)" ); |
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| 375 | status = pthread_mutex_destroy( &Mutex_bad_id ); |
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| 376 | assert( status == EINVAL ); |
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| 377 | |
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[9f1a034e] | 378 | /* destroy a busy mutex */ |
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| 379 | |
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| 380 | empty_line(); |
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| 381 | |
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[76117f2b] | 382 | puts( "Init: pthread_mutexattr_init - SUCCESSFUL" ); |
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[9f1a034e] | 383 | status = pthread_mutexattr_init( &attr ); |
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| 384 | assert( !status ); |
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| 385 | |
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[76117f2b] | 386 | puts( "Init: pthread_mutex_init - SUCCESSFUL" ); |
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[9f1a034e] | 387 | status = pthread_mutex_init( &Mutex2_id, &attr ); |
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| 388 | assert( !status ); |
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| 389 | |
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[76117f2b] | 390 | puts( "Init: pthread_mutex_trylock - SUCCESSFUL" ); |
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[9f1a034e] | 391 | status = pthread_mutex_trylock( &Mutex2_id ); |
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| 392 | if ( status ) |
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| 393 | printf( "status = %d\n", status ); |
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| 394 | assert( !status ); |
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| 395 | |
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[76117f2b] | 396 | puts( "Init: pthread_mutex_destroy - EBUSY (already locked)" ); |
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[9f1a034e] | 397 | status = pthread_mutex_destroy( &Mutex2_id ); |
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| 398 | if ( status != EBUSY ) |
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| 399 | printf( "status = %d\n", status ); |
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| 400 | assert( status == EBUSY ); |
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| 401 | |
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[76117f2b] | 402 | puts( "Init: pthread_mutex_unlock - SUCCESSFUL" ); |
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[9f1a034e] | 403 | status = pthread_mutex_unlock( &Mutex2_id ); |
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| 404 | assert( !status ); |
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| 405 | |
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[76117f2b] | 406 | puts( "Init: pthread_mutex_destroy - SUCCESSFUL" ); |
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[9f1a034e] | 407 | status = pthread_mutex_destroy( &Mutex2_id ); |
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| 408 | assert( !status ); |
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| 409 | |
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| 410 | /* priority inherit mutex */ |
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| 411 | |
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| 412 | empty_line(); |
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| 413 | |
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[76117f2b] | 414 | puts( "Init: pthread_mutexattr_init - SUCCESSFUL" ); |
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[9f1a034e] | 415 | status = pthread_mutexattr_init( &attr ); |
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| 416 | assert( !status ); |
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| 417 | |
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[76117f2b] | 418 | puts( |
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| 419 | "Init: pthread_mutexattr_setprotocol - SUCCESSFUL (PTHREAD_PRIO_INHERIT)" |
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| 420 | ); |
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[9f1a034e] | 421 | status = pthread_mutexattr_setprotocol( &attr, PTHREAD_PRIO_INHERIT ); |
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| 422 | assert( !status ); |
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| 423 | |
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[76117f2b] | 424 | puts( "Init: pthread_mutex_init - SUCCESSFUL" ); |
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[9f1a034e] | 425 | status = pthread_mutex_init( &Mutex2_id, &attr ); |
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| 426 | assert( !status ); |
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| 427 | |
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[76117f2b] | 428 | puts( "Init: pthread_mutex_trylock - SUCCESSFUL" ); |
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[9f1a034e] | 429 | status = pthread_mutex_trylock( &Mutex2_id ); |
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| 430 | assert( !status ); |
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| 431 | |
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| 432 | /* create a thread at a lower priority */ |
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| 433 | |
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| 434 | status = pthread_create( &Task2_id, NULL, Task_2, NULL ); |
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| 435 | assert( !status ); |
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| 436 | |
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| 437 | /* set priority of Task2 to highest priority */ |
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| 438 | |
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[1d61610] | 439 | param.sched_priority = 254; |
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[9f1a034e] | 440 | |
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[76117f2b] | 441 | puts( "Init: pthread_setschedparam - Setting Task2 priority to highest" ); |
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[9f1a034e] | 442 | status = pthread_setschedparam( Task2_id, SCHED_FIFO, ¶m ); |
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| 443 | assert( !status ); |
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| 444 | |
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| 445 | /* switching to Task2 */ |
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| 446 | |
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| 447 | status = pthread_getschedparam( pthread_self(), &policy, ¶m ); |
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| 448 | assert( !status ); |
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[76117f2b] | 449 | printf( "Init: pthread_getschedparam - priority = %d\n", param.sched_priority); |
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[9f1a034e] | 450 | |
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[76117f2b] | 451 | puts( "Init: pthread_mutex_unlock - SUCCESSFUL" ); |
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[9f1a034e] | 452 | status = pthread_mutex_unlock( &Mutex2_id ); |
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| 453 | assert( !status ); |
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| 454 | |
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[76117f2b] | 455 | puts( "Init: pthread_mutexattr_destroy - SUCCESSFUL" ); |
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[9f1a034e] | 456 | status = pthread_mutexattr_destroy( &attr ); |
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| 457 | assert( !status ); |
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| 458 | |
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[76117f2b] | 459 | puts( "Init: pthread_mutex_destroy - SUCCESSFUL" ); |
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[9f1a034e] | 460 | status = pthread_mutex_destroy( &Mutex2_id ); |
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| 461 | assert( !status ); |
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| 462 | |
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| 463 | /* priority ceiling mutex */ |
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| 464 | |
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| 465 | empty_line(); |
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| 466 | |
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[76117f2b] | 467 | puts( "Init: pthread_mutexattr_init - SUCCESSFUL" ); |
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[9f1a034e] | 468 | status = pthread_mutexattr_init( &attr ); |
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| 469 | assert( !status ); |
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| 470 | |
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[76117f2b] | 471 | puts( |
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| 472 | "Init: pthread_mutexattr_setprotocol - SUCCESSFUL (PTHREAD_PRIO_PROTECT)" |
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| 473 | ); |
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[9f1a034e] | 474 | status = pthread_mutexattr_setprotocol( &attr, PTHREAD_PRIO_PROTECT ); |
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| 475 | assert( !status ); |
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| 476 | |
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[76117f2b] | 477 | puts( "Init: pthread_mutex_init - SUCCESSFUL" ); |
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[9f1a034e] | 478 | status = pthread_mutex_init( &Mutex2_id, &attr ); |
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| 479 | assert( !status ); |
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| 480 | |
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[d06e9ca] | 481 | puts( "Init: pthread_mutex_getprioceiling - EINVAL (invalid id)" ); |
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| 482 | status = pthread_mutex_getprioceiling( &Mutex_bad_id, &ceiling ); |
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| 483 | assert( status == EINVAL ); |
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| 484 | |
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| 485 | puts( "Init: pthread_mutex_getprioceiling - EINVAL (NULL ceiling)" ); |
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| 486 | status = pthread_mutex_getprioceiling( &Mutex2_id, NULL ); |
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| 487 | assert( status == EINVAL ); |
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| 488 | |
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[9f1a034e] | 489 | status = pthread_mutex_getprioceiling( &Mutex2_id, &ceiling ); |
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| 490 | assert( !status ); |
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[76117f2b] | 491 | printf( "Init: pthread_mutex_getprioceiling - %d\n", ceiling ); |
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[9f1a034e] | 492 | |
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[d06e9ca] | 493 | puts( "Init: pthread_mutex_setprioceiling - EINVAL (invalid id)" ); |
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| 494 | status = pthread_mutex_setprioceiling( &Mutex_bad_id, 200, &old_ceiling ); |
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| 495 | assert( status == EINVAL ); |
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| 496 | |
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| 497 | puts( "Init: pthread_mutex_setprioceiling - EINVAL (illegal priority)" ); |
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| 498 | status = pthread_mutex_setprioceiling( &Mutex2_id, 512, &old_ceiling ); |
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| 499 | assert( status == EINVAL ); |
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| 500 | |
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| 501 | puts( "Init: pthread_mutex_setprioceiling - EINVAL (NULL ceiling)" ); |
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| 502 | status = pthread_mutex_setprioceiling( &Mutex2_id, 128, NULL ); |
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| 503 | assert( status == EINVAL ); |
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| 504 | |
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| 505 | /* normal cases of set priority ceiling */ |
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| 506 | |
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[76117f2b] | 507 | puts( "Init: pthread_mutex_setprioceiling - new ceiling = 200" ); |
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[9f1a034e] | 508 | status = pthread_mutex_setprioceiling( &Mutex2_id, 200, &old_ceiling ); |
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| 509 | assert( !status ); |
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[76117f2b] | 510 | printf( |
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| 511 | "Init: pthread_mutex_setprioceiling - old ceiling = %d\n",old_ceiling |
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| 512 | ); |
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[9f1a034e] | 513 | |
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| 514 | status = pthread_getschedparam( pthread_self(), &policy, ¶m ); |
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| 515 | assert( !status ); |
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[76117f2b] | 516 | printf( |
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| 517 | "Init: pthread_getschedparam - priority = %d\n", param.sched_priority |
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| 518 | ); |
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[9f1a034e] | 519 | |
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[76117f2b] | 520 | puts( "Init: pthread_mutex_trylock - SUCCESSFUL" ); |
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[9f1a034e] | 521 | status = pthread_mutex_trylock( &Mutex2_id ); |
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| 522 | assert( !status ); |
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| 523 | |
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| 524 | status = pthread_getschedparam( pthread_self(), &policy, ¶m ); |
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| 525 | assert( !status ); |
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[76117f2b] | 526 | printf( |
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| 527 | "Init: pthread_getschedparam - priority = %d\n", param.sched_priority |
---|
| 528 | ); |
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[9f1a034e] | 529 | |
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| 530 | /* create a thread at a higher priority */ |
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| 531 | |
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| 532 | status = pthread_create( &Task3_id, NULL, Task_3, NULL ); |
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| 533 | assert( !status ); |
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| 534 | |
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| 535 | /* set priority of Task3 to highest priority */ |
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| 536 | |
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| 537 | param.sched_priority = 199; |
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| 538 | |
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| 539 | status = pthread_setschedparam( Task3_id, SCHED_FIFO, ¶m ); |
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| 540 | assert( !status ); |
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[76117f2b] | 541 | puts( "Init: pthread_setschedparam - set Task3 priority to highest" ); |
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[9f1a034e] | 542 | |
---|
| 543 | /* DOES NOT SWITCH to Task3 */ |
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| 544 | |
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| 545 | puts( "Init: Sleep 1 second" ); |
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| 546 | assert( !status ); |
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| 547 | sleep( 1 ); |
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| 548 | |
---|
| 549 | /* switch to task 3 */ |
---|
| 550 | |
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[76117f2b] | 551 | puts( "Init: pthread_mutex_unlock - SUCCESSFUL" ); |
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[9f1a034e] | 552 | status = pthread_mutex_unlock( &Mutex2_id ); |
---|
| 553 | assert( !status ); |
---|
| 554 | |
---|
| 555 | status = pthread_mutex_getprioceiling( &Mutex2_id, &ceiling ); |
---|
| 556 | assert( !status ); |
---|
[76117f2b] | 557 | printf( "Init: pthread_mutex_getprioceiling- ceiling = %d\n", ceiling ); |
---|
[9f1a034e] | 558 | |
---|
| 559 | /* set priority of Init to highest priority */ |
---|
| 560 | |
---|
[1d61610] | 561 | param.sched_priority = 254; |
---|
[9f1a034e] | 562 | |
---|
| 563 | status = pthread_setschedparam( Init_id, SCHED_FIFO, ¶m ); |
---|
| 564 | assert( !status ); |
---|
[76117f2b] | 565 | puts( "Init: pthread_setschedparam - set Init priority to highest" ); |
---|
[9f1a034e] | 566 | |
---|
[76117f2b] | 567 | puts( "Init: pthread_mutex_lock - EINVAL (priority ceiling violation)" ); |
---|
[9f1a034e] | 568 | status = pthread_mutex_lock( &Mutex2_id ); |
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[da2e539] | 569 | if ( status != EINVAL ) |
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[9f1a034e] | 570 | printf( "status = %d\n", status ); |
---|
| 571 | assert( status == EINVAL ); |
---|
[ce78b894] | 572 | |
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[c6d15c2] | 573 | puts( "*** END OF POSIX TEST 5 ***" ); |
---|
| 574 | exit( 0 ); |
---|
| 575 | |
---|
| 576 | return NULL; /* just so the compiler thinks we returned something */ |
---|
| 577 | } |
---|