[8165b48f] | 1 | /* |
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[eb5a7e07] | 2 | * $Id$ |
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[5e9b32b] | 3 | */ |
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| 4 | |
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[613cff6] | 5 | #include <assert.h> |
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[5e9b32b] | 6 | #include <errno.h> |
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| 7 | #include <pthread.h> |
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| 8 | #include <limits.h> |
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| 9 | |
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[f4719d5a] | 10 | #include <rtems/system.h> |
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[5a18e04] | 11 | #include <rtems/score/apiext.h> |
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[5e9b32b] | 12 | #include <rtems/score/stack.h> |
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| 13 | #include <rtems/score/thread.h> |
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[5a18e04] | 14 | #include <rtems/score/userext.h> |
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| 15 | #include <rtems/score/wkspace.h> |
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[5e9b32b] | 16 | #include <rtems/posix/pthread.h> |
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[ece8c9a] | 17 | #include <rtems/posix/priority.h> |
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[5a18e04] | 18 | #include <rtems/posix/config.h> |
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[5e9b32b] | 19 | |
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| 20 | /*PAGE |
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| 21 | * |
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| 22 | * The default pthreads attributes structure. |
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| 23 | */ |
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| 24 | |
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| 25 | const pthread_attr_t _POSIX_Threads_Default_attributes = { |
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| 26 | TRUE, /* is_initialized */ |
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| 27 | 0, /* stackaddr */ |
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| 28 | STACK_MINIMUM_SIZE, /* stacksize */ |
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| 29 | PTHREAD_SCOPE_PROCESS, /* contentionscope */ |
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| 30 | PTHREAD_INHERIT_SCHED, /* inheritsched */ |
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| 31 | SCHED_FIFO, /* schedpolicy */ |
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| 32 | { /* schedparam */ |
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| 33 | 128, /* sched_priority */ |
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| 34 | 0, /* ss_low_priority */ |
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| 35 | { 0L, 0 }, /* ss_replenish_period */ |
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| 36 | { 0L, 0 } /* ss_initial_budget */ |
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| 37 | }, |
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| 38 | PTHREAD_CREATE_DETACHED, /* detachstate */ |
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| 39 | 1 /* cputime_clock_allowed */ |
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| 40 | }; |
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| 41 | |
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[5a18e04] | 42 | /*PAGE |
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| 43 | * |
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| 44 | * _POSIX_Threads_Create_extension |
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| 45 | * |
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| 46 | * XXX |
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| 47 | */ |
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| 48 | |
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| 49 | boolean _POSIX_Threads_Create_extension( |
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| 50 | Thread_Control *executing, |
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| 51 | Thread_Control *created |
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| 52 | ) |
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| 53 | { |
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| 54 | POSIX_API_Control *api; |
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| 55 | |
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| 56 | api = _Workspace_Allocate( sizeof( POSIX_API_Control ) ); |
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| 57 | |
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| 58 | if ( !api ) |
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| 59 | return FALSE; |
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| 60 | |
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| 61 | created->API_Extensions[ THREAD_API_POSIX ] = api; |
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| 62 | |
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| 63 | /* XXX something should go here */ |
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| 64 | |
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| 65 | return TRUE; |
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| 66 | } |
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| 67 | |
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| 68 | /*PAGE |
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| 69 | * |
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| 70 | * _POSIX_Threads_Delete_extension |
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| 71 | * |
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| 72 | * XXX |
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| 73 | */ |
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| 74 | |
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| 75 | User_extensions_routine _POSIX_Threads_Delete_extension( |
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| 76 | Thread_Control *executing, |
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| 77 | Thread_Control *deleted |
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| 78 | ) |
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| 79 | { |
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| 80 | (void) _Workspace_Free( deleted->API_Extensions[ THREAD_API_POSIX ] ); |
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| 81 | |
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| 82 | deleted->API_Extensions[ THREAD_API_POSIX ] = NULL; |
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| 83 | } |
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| 84 | |
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| 85 | /*PAGE |
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| 86 | * |
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| 87 | * _POSIX_Threads_Initialize_user_tasks |
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| 88 | * |
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| 89 | * This routine creates and starts all configured user |
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| 90 | * initialzation threads. |
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| 91 | * |
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| 92 | * Input parameters: NONE |
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| 93 | * |
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| 94 | * Output parameters: NONE |
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| 95 | */ |
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| 96 | |
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| 97 | void _POSIX_Threads_Initialize_user_tasks( void ) |
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| 98 | { |
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[613cff6] | 99 | int status; |
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[5a18e04] | 100 | unsigned32 index; |
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| 101 | unsigned32 maximum; |
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| 102 | posix_initialization_tasks_table *user_tasks; |
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[613cff6] | 103 | pthread_t thread_id; |
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[5a18e04] | 104 | |
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| 105 | /* |
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| 106 | * NOTE: This is slightly different from the Ada implementation. |
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| 107 | */ |
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| 108 | |
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| 109 | user_tasks = _POSIX_Threads_User_initialization_tasks; |
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| 110 | maximum = _POSIX_Threads_Number_of_initialization_tasks; |
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[613cff6] | 111 | |
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| 112 | if ( !user_tasks || maximum == 0 ) |
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| 113 | return; |
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[5a18e04] | 114 | |
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| 115 | for ( index=0 ; index < maximum ; index++ ) { |
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[613cff6] | 116 | status = pthread_create(&thread_id, NULL, user_tasks[ index ].entry, NULL); |
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| 117 | assert( !status ); |
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[5a18e04] | 118 | } |
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| 119 | } |
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| 120 | |
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| 121 | API_extensions_Control _POSIX_Threads_API_extensions = { |
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| 122 | { NULL, NULL }, |
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| 123 | NULL, /* predriver */ |
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| 124 | _POSIX_Threads_Initialize_user_tasks, /* postdriver */ |
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| 125 | NULL, /* post switch */ |
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| 126 | }; |
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| 127 | |
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| 128 | User_extensions_Control _POSIX_Threads_User_extensions = { |
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| 129 | { NULL, NULL }, |
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| 130 | { _POSIX_Threads_Create_extension, /* create */ |
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| 131 | NULL, /* start */ |
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| 132 | NULL, /* restart */ |
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| 133 | _POSIX_Threads_Delete_extension, /* delete */ |
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| 134 | NULL, /* switch */ |
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| 135 | NULL, /* begin */ |
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| 136 | NULL, /* exitted */ |
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| 137 | NULL /* fatal */ |
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| 138 | } |
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| 139 | }; |
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| 140 | |
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[5e9b32b] | 141 | /*PAGE |
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| 142 | * |
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| 143 | * _POSIX_Threads_Manager_initialization |
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| 144 | * |
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| 145 | * This routine initializes all threads manager related data structures. |
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| 146 | * |
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| 147 | * Input parameters: |
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| 148 | * maximum_pthreads - maximum configured pthreads |
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| 149 | * |
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| 150 | * Output parameters: NONE |
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| 151 | */ |
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| 152 | |
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| 153 | void _POSIX_Threads_Manager_initialization( |
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[5a18e04] | 154 | unsigned32 maximum_pthreads, |
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| 155 | unsigned32 number_of_initialization_tasks, |
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| 156 | posix_initialization_tasks_table *user_tasks |
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| 157 | |
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[5e9b32b] | 158 | ) |
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| 159 | { |
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[5a18e04] | 160 | _POSIX_Threads_Number_of_initialization_tasks = |
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| 161 | number_of_initialization_tasks; |
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| 162 | _POSIX_Threads_User_initialization_tasks = user_tasks; |
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| 163 | |
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[974ff40] | 164 | /* |
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| 165 | * There may not be any POSIX initialization threads configured. |
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| 166 | */ |
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| 167 | |
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| 168 | #if 0 |
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[5a18e04] | 169 | if ( user_tasks == NULL || number_of_initialization_tasks == 0 ) |
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| 170 | _Internal_error_Occurred( INTERNAL_ERROR_POSIX_API, TRUE, EINVAL ); |
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[974ff40] | 171 | #endif |
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[5a18e04] | 172 | |
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[5e9b32b] | 173 | _Objects_Initialize_information( |
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| 174 | &_POSIX_Threads_Information, |
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| 175 | OBJECTS_POSIX_THREADS, |
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[ece8c9a] | 176 | FALSE, /* does not support global */ |
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[5e9b32b] | 177 | maximum_pthreads, |
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| 178 | sizeof( POSIX_Threads_Control ), |
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| 179 | TRUE, |
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[ece8c9a] | 180 | 5, /* length is arbitrary for now */ |
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| 181 | TRUE /* this class is threads */ |
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[5e9b32b] | 182 | ); |
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[5a18e04] | 183 | |
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[613cff6] | 184 | /* |
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| 185 | * Add all the extensions for this API |
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| 186 | */ |
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| 187 | |
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| 188 | _User_extensions_Add_API_set( &_POSIX_Threads_User_extensions ); |
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| 189 | |
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| 190 | _API_extensions_Add( &_POSIX_Threads_API_extensions ); |
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| 191 | |
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| 192 | /* |
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| 193 | * If we supported MP, then here we would ... |
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| 194 | * Register the MP Process Packet routine. |
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| 195 | */ |
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| 196 | |
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[5e9b32b] | 197 | } |
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| 198 | |
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| 199 | /*PAGE |
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| 200 | * |
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| 201 | * 3.1.3 Register Fork Handlers, P1003.1c/Draft 10, P1003.1c/Draft 10, p. 27 |
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[568ebf3] | 202 | * |
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| 203 | * RTEMS does not support processes, so we fall under this and do not |
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| 204 | * provide this routine: |
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| 205 | * |
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| 206 | * "Either the implementation shall support the pthread_atfork() function |
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| 207 | * as described above or the pthread_atfork() funciton shall not be |
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| 208 | * provided." |
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[5e9b32b] | 209 | */ |
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| 210 | |
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| 211 | /*PAGE |
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| 212 | * |
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| 213 | * 13.5.1 Thread Creation Scheduling Attributes, P1003.1c/Draft 10, p. 120 |
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| 214 | */ |
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| 215 | |
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| 216 | int pthread_attr_setscope( |
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| 217 | pthread_attr_t *attr, |
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| 218 | int contentionscope |
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| 219 | ) |
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| 220 | { |
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| 221 | if ( !attr || !attr->is_initialized ) |
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| 222 | return EINVAL; |
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| 223 | |
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| 224 | attr->contentionscope = contentionscope; |
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| 225 | return 0; |
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| 226 | } |
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| 227 | |
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| 228 | /*PAGE |
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| 229 | * |
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| 230 | * 13.5.1 Thread Creation Scheduling Attributes, P1003.1c/Draft 10, p. 120 |
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| 231 | */ |
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| 232 | |
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| 233 | int pthread_attr_getscope( |
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| 234 | const pthread_attr_t *attr, |
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| 235 | int *contentionscope |
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| 236 | ) |
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| 237 | { |
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| 238 | if ( !attr || !attr->is_initialized ) |
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| 239 | return EINVAL; |
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| 240 | |
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| 241 | *contentionscope = attr->contentionscope; |
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| 242 | return 0; |
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| 243 | } |
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| 244 | |
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| 245 | /*PAGE |
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| 246 | * |
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| 247 | * 13.5.1 Thread Creation Scheduling Attributes, P1003.1c/Draft 10, p. 120 |
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| 248 | */ |
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| 249 | |
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| 250 | int pthread_attr_setinheritsched( |
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| 251 | pthread_attr_t *attr, |
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| 252 | int inheritsched |
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| 253 | ) |
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| 254 | { |
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| 255 | if ( !attr || !attr->is_initialized ) |
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| 256 | return EINVAL; |
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| 257 | |
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| 258 | attr->inheritsched = inheritsched; |
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| 259 | return 0; |
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| 260 | } |
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| 261 | |
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| 262 | /*PAGE |
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| 263 | * |
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| 264 | * 13.5.1 Thread Creation Scheduling Attributes, P1003.1c/Draft 10, p. 120 |
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| 265 | */ |
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| 266 | |
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| 267 | int pthread_attr_getinheritsched( |
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| 268 | const pthread_attr_t *attr, |
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| 269 | int *inheritsched |
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| 270 | ) |
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| 271 | { |
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| 272 | if ( !attr || !attr->is_initialized ) |
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| 273 | return EINVAL; |
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| 274 | |
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| 275 | *inheritsched = attr->inheritsched; |
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| 276 | return 0; |
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| 277 | } |
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| 278 | |
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| 279 | /*PAGE |
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| 280 | * |
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| 281 | * 13.5.1 Thread Creation Scheduling Attributes, P1003.1c/Draft 10, p. 120 |
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| 282 | */ |
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| 283 | |
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| 284 | int pthread_attr_setschedpolicy( |
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| 285 | pthread_attr_t *attr, |
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| 286 | int policy |
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| 287 | ) |
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| 288 | { |
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| 289 | if ( !attr || !attr->is_initialized ) |
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| 290 | return EINVAL; |
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| 291 | |
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| 292 | attr->schedpolicy = policy; |
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| 293 | return 0; |
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| 294 | } |
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| 295 | |
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| 296 | /*PAGE |
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| 297 | * |
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| 298 | * 13.5.1 Thread Creation Scheduling Attributes, P1003.1c/Draft 10, p. 120 |
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| 299 | */ |
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| 300 | |
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| 301 | int pthread_attr_getschedpolicy( |
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| 302 | const pthread_attr_t *attr, |
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| 303 | int *policy |
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| 304 | ) |
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| 305 | { |
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| 306 | if ( !attr || !attr->is_initialized ) |
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| 307 | return EINVAL; |
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| 308 | |
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| 309 | *policy = attr->schedpolicy; |
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| 310 | return 0; |
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| 311 | } |
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| 312 | |
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| 313 | /*PAGE |
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| 314 | * |
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| 315 | * 13.5.1 Thread Creation Scheduling Attributes, P1003.1c/Draft 10, p. 120 |
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| 316 | */ |
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| 317 | |
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| 318 | int pthread_attr_setschedparam( |
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| 319 | pthread_attr_t *attr, |
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[f4719d5a] | 320 | const struct sched_param *param |
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[5e9b32b] | 321 | ) |
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| 322 | { |
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| 323 | if ( !attr || !attr->is_initialized ) |
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| 324 | return EINVAL; |
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| 325 | |
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[f4719d5a] | 326 | attr->schedparam = *param; |
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[5e9b32b] | 327 | return 0; |
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| 328 | } |
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| 329 | |
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| 330 | /*PAGE |
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| 331 | * |
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| 332 | * 13.5.1 Thread Creation Scheduling Attributes, P1003.1c/Draft 10, p. 120 |
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| 333 | */ |
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| 334 | |
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| 335 | int pthread_attr_getschedparam( |
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| 336 | const pthread_attr_t *attr, |
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| 337 | struct sched_param *param |
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| 338 | ) |
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| 339 | { |
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| 340 | if ( !attr || !attr->is_initialized ) |
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| 341 | return EINVAL; |
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| 342 | |
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| 343 | *param = attr->schedparam; |
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| 344 | return 0; |
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| 345 | } |
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| 346 | |
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| 347 | /*PAGE |
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| 348 | * |
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| 349 | * 13.5.2 Dynamic Thread Scheduling Parameters Access, |
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| 350 | * P1003.1c/Draft 10, p. 124 |
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| 351 | */ |
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| 352 | |
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| 353 | int pthread_getschedparam( |
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| 354 | pthread_t thread, |
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| 355 | int *policy, |
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| 356 | struct sched_param *param |
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| 357 | ) |
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| 358 | { |
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| 359 | pthread_attr_t *attr; /* XXX: really need to get this from the thread */ |
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| 360 | |
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| 361 | if ( !policy || !param ) |
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| 362 | return EINVAL; |
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| 363 | |
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| 364 | *policy = attr->schedpolicy; |
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| 365 | *param = attr->schedparam; |
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| 366 | return 0; |
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| 367 | } |
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| 368 | |
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| 369 | /*PAGE |
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| 370 | * |
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| 371 | * 13.5.2 Dynamic Thread Scheduling Parameters Access, |
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| 372 | * P1003.1c/Draft 10, p. 124 |
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| 373 | */ |
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| 374 | |
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| 375 | int pthread_setschedparam( |
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| 376 | pthread_t thread, |
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| 377 | int policy, |
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| 378 | struct sched_param *param |
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| 379 | ) |
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| 380 | { |
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| 381 | /* XXX need to reschedule after doing this to the thread */ |
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| 382 | pthread_attr_t *attr; /* XXX: really need to get this from the thread */ |
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| 383 | |
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| 384 | if ( !param ) |
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| 385 | return EINVAL; |
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| 386 | |
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| 387 | attr->schedpolicy = policy; |
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| 388 | attr->schedparam = *param; |
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| 389 | return 0; |
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| 390 | } |
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| 391 | |
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| 392 | /*PAGE |
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| 393 | * |
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| 394 | * 16.1.1 Thread Creation Attributes, P1003.1c/Draft 10, p, 140 |
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| 395 | */ |
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| 396 | |
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| 397 | int pthread_attr_init( |
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| 398 | pthread_attr_t *attr |
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| 399 | ) |
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| 400 | { |
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| 401 | if ( !attr ) |
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| 402 | return EINVAL; |
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| 403 | |
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| 404 | *attr = _POSIX_Threads_Default_attributes; |
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| 405 | return 0; |
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| 406 | } |
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| 407 | |
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| 408 | /*PAGE |
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| 409 | * |
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| 410 | * 16.1.1 Thread Creation Attributes, P1003.1c/Draft 10, p, 140 |
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| 411 | */ |
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| 412 | |
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| 413 | int pthread_attr_destroy( |
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| 414 | pthread_attr_t *attr |
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| 415 | ) |
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| 416 | { |
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| 417 | if ( !attr || !attr->is_initialized ) |
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| 418 | return EINVAL; |
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| 419 | |
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| 420 | attr->is_initialized = FALSE; |
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| 421 | return 0; |
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| 422 | } |
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| 423 | |
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| 424 | /*PAGE |
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| 425 | * |
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| 426 | * 16.1.1 Thread Creation Attributes, P1003.1c/Draft 10, p, 140 |
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| 427 | */ |
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| 428 | |
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| 429 | int pthread_attr_getstacksize( |
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| 430 | const pthread_attr_t *attr, |
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| 431 | size_t *stacksize |
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| 432 | ) |
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| 433 | { |
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| 434 | if ( !attr || !attr->is_initialized ) |
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| 435 | return EINVAL; |
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| 436 | |
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| 437 | *stacksize = attr->stacksize; |
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| 438 | return 0; |
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| 439 | } |
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| 440 | |
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| 441 | /*PAGE |
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| 442 | * |
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| 443 | * 16.1.1 Thread Creation Attributes, P1003.1c/Draft 10, p, 140 |
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| 444 | */ |
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| 445 | |
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| 446 | int pthread_attr_setstacksize( |
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| 447 | pthread_attr_t *attr, |
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| 448 | size_t stacksize |
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| 449 | ) |
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| 450 | { |
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| 451 | if ( !attr || !attr->is_initialized ) |
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| 452 | return EINVAL; |
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| 453 | |
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[9c877c0d] | 454 | if ( stacksize < STACK_MINIMUM_SIZE ) |
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| 455 | attr->stacksize = STACK_MINIMUM_SIZE; |
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| 456 | else |
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| 457 | attr->stacksize = stacksize; |
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[5e9b32b] | 458 | return 0; |
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| 459 | } |
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| 460 | |
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| 461 | /*PAGE |
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| 462 | * |
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| 463 | * 16.1.1 Thread Creation Attributes, P1003.1c/Draft 10, p, 140 |
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| 464 | */ |
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| 465 | |
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| 466 | int pthread_attr_getstackaddr( |
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| 467 | const pthread_attr_t *attr, |
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| 468 | void **stackaddr |
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| 469 | ) |
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| 470 | { |
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| 471 | if ( !attr || !attr->is_initialized ) |
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| 472 | return EINVAL; |
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| 473 | |
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| 474 | *stackaddr = attr->stackaddr; |
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| 475 | return 0; |
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| 476 | } |
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| 477 | |
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| 478 | /*PAGE |
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| 479 | * |
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| 480 | * 16.1.1 Thread Creation Attributes, P1003.1c/Draft 10, p, 140 |
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| 481 | */ |
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| 482 | |
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| 483 | int pthread_attr_setstackaddr( |
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| 484 | pthread_attr_t *attr, |
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| 485 | void *stackaddr |
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| 486 | ) |
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| 487 | { |
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| 488 | if ( !attr || !attr->is_initialized ) |
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| 489 | return EINVAL; |
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| 490 | |
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| 491 | attr->stackaddr = stackaddr; |
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| 492 | return 0; |
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| 493 | } |
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| 494 | |
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| 495 | /*PAGE |
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| 496 | * |
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| 497 | * 16.1.1 Thread Creation Attributes, P1003.1c/Draft 10, p, 140 |
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| 498 | */ |
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| 499 | |
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| 500 | int pthread_attr_getdetachstate( |
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| 501 | const pthread_attr_t *attr, |
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| 502 | int *detachstate |
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| 503 | ) |
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| 504 | { |
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| 505 | if ( !attr || !attr->is_initialized ) |
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| 506 | return EINVAL; |
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| 507 | |
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| 508 | *detachstate = attr->detachstate; |
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| 509 | return 0; |
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| 510 | } |
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| 511 | |
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| 512 | /*PAGE |
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| 513 | * |
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| 514 | * 16.1.1 Thread Creation Attributes, P1003.1c/Draft 10, p, 140 |
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| 515 | */ |
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| 516 | |
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| 517 | int pthread_attr_setdetachstate( |
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| 518 | pthread_attr_t *attr, |
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| 519 | int detachstate |
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| 520 | ) |
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| 521 | { |
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| 522 | if ( !attr || !attr->is_initialized ) |
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| 523 | return EINVAL; |
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| 524 | |
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| 525 | attr->detachstate = detachstate; |
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| 526 | return 0; |
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| 527 | } |
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| 528 | |
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| 529 | /*PAGE |
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| 530 | * |
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| 531 | * 16.1.2 Thread Creation, P1003.1c/Draft 10, p. 144 |
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| 532 | */ |
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| 533 | |
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| 534 | int pthread_create( |
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[974ff40] | 535 | pthread_t *thread, |
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| 536 | const pthread_attr_t *attr, |
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| 537 | void *(*start_routine)( void * ), |
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| 538 | void *arg |
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[5e9b32b] | 539 | ) |
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| 540 | { |
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[cfcfdf0] | 541 | const pthread_attr_t *attrp; |
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[ece8c9a] | 542 | Priority_Control core_priority; |
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| 543 | boolean is_fp; |
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| 544 | boolean status; |
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| 545 | Thread_Control *the_thread; |
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| 546 | char *default_name = "psx"; |
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[5a18e04] | 547 | |
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[cfcfdf0] | 548 | attrp = (attr) ? attr : &_POSIX_Threads_Default_attributes; |
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[5a18e04] | 549 | |
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[cfcfdf0] | 550 | if ( !attrp->is_initialized ) |
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[5a18e04] | 551 | return EINVAL; |
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| 552 | |
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| 553 | /* |
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| 554 | * Core Thread Initialize insures we get the minimum amount of |
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| 555 | * stack space. |
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| 556 | */ |
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| 557 | |
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| 558 | #if 0 |
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| 559 | int contentionscope; |
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| 560 | int inheritsched; |
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| 561 | int schedpolicy; |
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| 562 | struct sched_param schedparam; |
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| 563 | |
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| 564 | #if defined(_POSIX_THREAD_CPUTIME) |
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| 565 | int cputime_clock_allowed; /* see time.h */ |
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| 566 | #endif |
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| 567 | int detachstate; |
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| 568 | #endif |
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[974ff40] | 569 | |
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[ece8c9a] | 570 | /* |
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| 571 | * Validate the RTEMS API priority and convert it to the core priority range. |
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| 572 | */ |
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| 573 | |
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[cfcfdf0] | 574 | if ( !_POSIX_Priority_Is_valid( attrp->schedparam.sched_priority ) ) |
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[ece8c9a] | 575 | return EINVAL; |
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| 576 | |
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[cfcfdf0] | 577 | core_priority = _POSIX_Priority_To_core( attrp->schedparam.sched_priority ); |
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[ece8c9a] | 578 | |
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| 579 | /* |
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[7f72217e] | 580 | * Currently all POSIX threads are floating point if the hardware |
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| 581 | * supports it. |
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[ece8c9a] | 582 | */ |
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| 583 | |
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[7f72217e] | 584 | is_fp = CPU_HARDWARE_FP; |
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[ece8c9a] | 585 | |
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| 586 | /* |
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| 587 | * Disable dispatch for protection |
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| 588 | */ |
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| 589 | |
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| 590 | _Thread_Disable_dispatch(); |
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| 591 | |
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| 592 | /* |
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| 593 | * Allocate the thread control block. |
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| 594 | * |
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| 595 | * NOTE: Global threads are not currently supported. |
---|
| 596 | */ |
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| 597 | |
---|
| 598 | the_thread = _POSIX_Threads_Allocate(); |
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| 599 | |
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| 600 | if ( !the_thread ) { |
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| 601 | _Thread_Enable_dispatch(); |
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| 602 | return EINVAL; |
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| 603 | } |
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| 604 | |
---|
| 605 | /* |
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| 606 | * Initialize the core thread for this task. |
---|
| 607 | */ |
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| 608 | |
---|
| 609 | status = _Thread_Initialize( |
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| 610 | &_POSIX_Threads_Information, |
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| 611 | the_thread, |
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[cfcfdf0] | 612 | attrp->stackaddr, |
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| 613 | attrp->stacksize, |
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[ece8c9a] | 614 | is_fp, |
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| 615 | core_priority, |
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| 616 | TRUE, /* preemptible */ |
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| 617 | TRUE, /* timesliced */ |
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| 618 | 0, /* isr level */ |
---|
| 619 | &default_name /* posix threads don't have a name */ |
---|
| 620 | ); |
---|
| 621 | |
---|
| 622 | if ( !status ) { |
---|
| 623 | _POSIX_Threads_Free( the_thread ); |
---|
| 624 | _Thread_Enable_dispatch(); |
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| 625 | return EINVAL; |
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| 626 | } |
---|
| 627 | |
---|
[cfcfdf0] | 628 | status = _Thread_Start( |
---|
| 629 | the_thread, |
---|
| 630 | THREAD_START_POINTER, |
---|
| 631 | start_routine, |
---|
| 632 | arg, |
---|
| 633 | 0 /* unused */ |
---|
| 634 | ); |
---|
| 635 | |
---|
| 636 | /* |
---|
| 637 | * _Thread_Start only fails if the thread was in the incorrect state |
---|
| 638 | */ |
---|
| 639 | |
---|
| 640 | if ( !status ) { |
---|
| 641 | _POSIX_Threads_Free( the_thread ); |
---|
| 642 | _Thread_Enable_dispatch(); |
---|
| 643 | return EINVAL; |
---|
| 644 | } |
---|
| 645 | |
---|
| 646 | |
---|
| 647 | /* |
---|
| 648 | * Return the id and indicate we successfully created the thread |
---|
| 649 | */ |
---|
| 650 | |
---|
[ece8c9a] | 651 | *thread = the_thread->Object.id; |
---|
| 652 | |
---|
| 653 | _Thread_Enable_dispatch(); |
---|
| 654 | |
---|
| 655 | return 0; |
---|
| 656 | |
---|
[5e9b32b] | 657 | } |
---|
| 658 | |
---|
| 659 | /*PAGE |
---|
| 660 | * |
---|
| 661 | * 16.1.3 Wait for Thread Termination, P1003.1c/Draft 10, p. 147 |
---|
| 662 | */ |
---|
| 663 | |
---|
| 664 | int pthread_join( |
---|
| 665 | pthread_t thread, |
---|
| 666 | void **value_ptr |
---|
| 667 | ) |
---|
| 668 | { |
---|
| 669 | return POSIX_NOT_IMPLEMENTED(); |
---|
| 670 | } |
---|
| 671 | |
---|
| 672 | /*PAGE |
---|
| 673 | * |
---|
| 674 | * 16.1.4 Detaching a Thread, P1003.1c/Draft 10, p. 149 |
---|
| 675 | */ |
---|
| 676 | |
---|
| 677 | int pthread_detach( |
---|
| 678 | pthread_t thread |
---|
| 679 | ) |
---|
| 680 | { |
---|
| 681 | return POSIX_NOT_IMPLEMENTED(); |
---|
| 682 | } |
---|
| 683 | |
---|
[974ff40] | 684 | /*PAGE |
---|
| 685 | * |
---|
| 686 | * 16.1.5.1 Thread Termination, p1003.1c/Draft 10, p. 150 |
---|
| 687 | */ |
---|
| 688 | |
---|
| 689 | void pthread_exit( |
---|
| 690 | void *value_ptr |
---|
| 691 | ) |
---|
| 692 | { |
---|
[cfcfdf0] | 693 | register Thread_Control *the_thread; |
---|
| 694 | |
---|
| 695 | the_thread = _Thread_Executing; |
---|
| 696 | |
---|
| 697 | _Thread_Disable_dispatch(); |
---|
| 698 | |
---|
| 699 | /* |
---|
| 700 | * XXX Will need to deal with join/detach |
---|
| 701 | */ |
---|
| 702 | |
---|
| 703 | _Thread_Close( &_POSIX_Threads_Information, the_thread ); |
---|
| 704 | |
---|
| 705 | _POSIX_Threads_Free( the_thread ); |
---|
| 706 | |
---|
| 707 | _Thread_Enable_dispatch(); |
---|
[974ff40] | 708 | } |
---|
[5e9b32b] | 709 | |
---|
| 710 | /*PAGE |
---|
| 711 | * |
---|
| 712 | * 16.1.6 Get Calling Thread's ID, p1003.1c/Draft 10, p. XXX |
---|
| 713 | */ |
---|
| 714 | |
---|
| 715 | pthread_t pthread_self( void ) |
---|
| 716 | { |
---|
| 717 | return _Thread_Executing->Object.id; |
---|
| 718 | } |
---|
| 719 | |
---|
| 720 | /*PAGE |
---|
| 721 | * |
---|
| 722 | * 16.1.7 Compare Thread IDs, p1003.1c/Draft 10, p. 153 |
---|
| 723 | */ |
---|
| 724 | |
---|
| 725 | int pthread_equal( |
---|
| 726 | pthread_t t1, |
---|
| 727 | pthread_t t2 |
---|
| 728 | ) |
---|
| 729 | { |
---|
| 730 | #ifdef RTEMS_DEBUG |
---|
| 731 | /* XXX may want to do a "get" to make sure both are valid. */ |
---|
| 732 | /* XXX behavior is undefined if not valid pthread_t's */ |
---|
| 733 | #endif |
---|
| 734 | return _Objects_Are_ids_equal( t1, t1 ); |
---|
| 735 | } |
---|
| 736 | |
---|
| 737 | /*PAGE |
---|
| 738 | * |
---|
| 739 | * 16.1.8 Dynamic Package Initialization |
---|
| 740 | */ |
---|
| 741 | |
---|
| 742 | int pthread_once( |
---|
| 743 | pthread_once_t *once_control, |
---|
| 744 | void (*init_routine)(void) |
---|
| 745 | ) |
---|
| 746 | { |
---|
| 747 | /* XXX: Should we implement this routine this way or make it a full */ |
---|
| 748 | /* XXX: fledged object? */ |
---|
| 749 | |
---|
| 750 | if ( !once_control || !init_routine ) |
---|
| 751 | return EINVAL; |
---|
| 752 | |
---|
| 753 | _Thread_Disable_dispatch(); |
---|
| 754 | |
---|
| 755 | if ( !once_control->is_initialized ) { |
---|
| 756 | |
---|
| 757 | once_control->is_initialized = TRUE; |
---|
| 758 | once_control->init_executed = TRUE; |
---|
| 759 | (*init_routine)(); |
---|
| 760 | |
---|
| 761 | } if ( !once_control->init_executed ) { |
---|
| 762 | |
---|
| 763 | once_control->init_executed = TRUE; |
---|
| 764 | (*init_routine)(); |
---|
| 765 | |
---|
| 766 | } |
---|
| 767 | |
---|
| 768 | _Thread_Enable_dispatch(); |
---|
| 769 | |
---|
| 770 | return 0; |
---|
| 771 | } |
---|
| 772 | |
---|
| 773 | /*PAGE |
---|
| 774 | * |
---|
| 775 | * 20.1.6 Accessing a Thread CPU-time Clock, P1003.4b/D8, p. 58 |
---|
| 776 | */ |
---|
| 777 | |
---|
| 778 | int pthread_getcpuclockid( |
---|
| 779 | pthread_t pid, |
---|
| 780 | clockid_t *clock_id |
---|
| 781 | ) |
---|
| 782 | { |
---|
| 783 | return POSIX_NOT_IMPLEMENTED(); |
---|
| 784 | } |
---|
| 785 | |
---|
| 786 | /*PAGE |
---|
| 787 | * |
---|
| 788 | * 20.1.7 CPU-time Clock Thread Creation Attribute, P1003.4b/D8, p. 59 |
---|
| 789 | */ |
---|
| 790 | |
---|
| 791 | int pthread_attr_setcputime( |
---|
| 792 | pthread_attr_t *attr, |
---|
| 793 | int clock_allowed |
---|
| 794 | ) |
---|
| 795 | { |
---|
| 796 | if ( !attr || !attr->is_initialized ) |
---|
| 797 | return EINVAL; |
---|
| 798 | |
---|
| 799 | attr->cputime_clock_allowed = clock_allowed; |
---|
| 800 | return 0; |
---|
| 801 | } |
---|
| 802 | |
---|
| 803 | /*PAGE |
---|
| 804 | * |
---|
| 805 | * 20.1.7 CPU-time Clock Thread Creation Attribute, P1003.4b/D8, p. 59 |
---|
| 806 | */ |
---|
| 807 | |
---|
| 808 | int pthread_attr_getcputime( |
---|
| 809 | pthread_attr_t *attr, |
---|
| 810 | int *clock_allowed |
---|
| 811 | ) |
---|
| 812 | { |
---|
| 813 | if ( !attr || !attr->is_initialized ) |
---|
| 814 | return EINVAL; |
---|
| 815 | |
---|
| 816 | *clock_allowed = attr->cputime_clock_allowed; |
---|
| 817 | return 0; |
---|
| 818 | } |
---|