rtems_status_code rtems_task_delete(
rtems_id id
)
{
Thread_Control *the_thread;
Objects_Locations location;
bool previous_life_protection;
previous_life_protection = _Thread_Set_life_protection( true );
the_thread = _Thread_Get( id, &location );
switch ( location ) {
case OBJECTS_LOCAL:
#if defined(RTEMS_MULTIPROCESSING)
if ( the_thread->is_global ) {
_Objects_MP_Close(
&_RTEMS_tasks_Information.Objects,
the_thread->Object.id
);
_RTEMS_tasks_MP_Send_process_packet(
RTEMS_TASKS_MP_ANNOUNCE_DELETE,
the_thread->Object.id,
0 /* Not used */
);
}
#endif
_Thread_Close( the_thread, _Thread_Executing );
_Objects_Put( &the_thread->Object );
_Thread_Set_life_protection( previous_life_protection );
return RTEMS_SUCCESSFUL;
#if defined(RTEMS_MULTIPROCESSING)
case OBJECTS_REMOTE:
_Thread_Dispatch();
_Thread_Set_life_protection( previous_life_protection );
return RTEMS_ILLEGAL_ON_REMOTE_OBJECT;
#endif
case OBJECTS_ERROR:
break;
}
_Thread_Set_life_protection( previous_life_protection );
return RTEMS_INVALID_ID;
}
void _API_Mutex_Lock( API_Mutex_Control *the_mutex )
{
bool previous_thread_life_protection;
ISR_Level level;
previous_thread_life_protection = _Thread_Set_life_protection( true );
#if defined(RTEMS_SMP)
_Thread_Disable_dispatch();
#endif
_ISR_Disable( level );
_CORE_mutex_Seize(
&the_mutex->Mutex,
_Thread_Executing,
the_mutex->Object.id,
true,
0,
level
);
if ( the_mutex->Mutex.nest_count == 1 ) {
the_mutex->previous_thread_life_protection =
previous_thread_life_protection;
}
#if defined(RTEMS_SMP)
_Thread_Enable_dispatch();
#endif
}
void _POSIX_Thread_Exit(
Thread_Control *the_thread,
void *value_ptr
)
{
Thread_Control *unblocked;
POSIX_API_Control *api;
bool previous_life_protection;
api = the_thread->API_Extensions[ THREAD_API_POSIX ];
_Assert( _Debug_Is_thread_dispatching_allowed() );
previous_life_protection = _Thread_Set_life_protection( true );
_Thread_Disable_dispatch();
the_thread->Wait.return_argument = value_ptr;
/*
* Process join
*/
if ( api->detachstate == PTHREAD_CREATE_JOINABLE ) {
unblocked = _Thread_queue_Dequeue( &api->Join_List );
if ( unblocked ) {
do {
*(void **)unblocked->Wait.return_argument = value_ptr;
} while ( (unblocked = _Thread_queue_Dequeue( &api->Join_List )) );
} else {
_Thread_Set_state( the_thread, STATES_WAITING_FOR_JOIN_AT_EXIT );
_Thread_Enable_dispatch();
/* now waiting for thread to arrive */
_Thread_Disable_dispatch();
}
}
/*
* Now shut down the thread
*/
_Thread_Close( the_thread, _Thread_Executing );
_Thread_Enable_dispatch();
_Thread_Set_life_protection( previous_life_protection );
}
void _API_Mutex_Lock( API_Mutex_Control *the_mutex )
{
bool previous_thread_life_protection;
ISR_lock_Context lock_context;
previous_thread_life_protection = _Thread_Set_life_protection( true );
_ISR_lock_ISR_disable( &lock_context );
_CORE_mutex_Seize(
&the_mutex->Mutex,
_Thread_Executing,
the_mutex->Object.id,
true,
0,
&lock_context
);
if ( the_mutex->Mutex.nest_count == 1 ) {
the_mutex->previous_thread_life_protection =
previous_thread_life_protection;
}
}
void _API_Mutex_Lock( API_Mutex_Control *the_mutex )
{
Thread_Life_state previous_thread_life_state;
Thread_queue_Context queue_context;
previous_thread_life_state =
_Thread_Set_life_protection( THREAD_LIFE_PROTECTED );
_Thread_queue_Context_initialize( &queue_context );
_ISR_lock_ISR_disable( &queue_context.Lock_context );
_Thread_queue_Context_set_no_timeout( &queue_context );
_CORE_recursive_mutex_Seize(
&the_mutex->Mutex,
_Thread_Executing,
true,
_CORE_recursive_mutex_Seize_nested,
&queue_context
);
if ( the_mutex->Mutex.nest_level == 0 ) {
the_mutex->previous_thread_life_state = previous_thread_life_state;
}
}
