rtems_status_code rtems_event_system_send( rtems_id id, rtems_event_set event_in ) { Thread_Control *the_thread; RTEMS_API_Control *api; ISR_lock_Context lock_context; the_thread = _Thread_Get_interrupt_disable( id, &lock_context ); if ( the_thread == NULL ) { #if defined(RTEMS_MULTIPROCESSING) if ( _Thread_MP_Is_remote( id ) ) { return RTEMS_ILLEGAL_ON_REMOTE_OBJECT; } #endif return RTEMS_INVALID_ID; } api = the_thread->API_Extensions[ THREAD_API_RTEMS ]; return _Event_Surrender( the_thread, event_in, &api->System_event, THREAD_WAIT_CLASS_SYSTEM_EVENT, &lock_context ); }
rtems_status_code rtems_task_set_scheduler( rtems_id task_id, rtems_id scheduler_id, rtems_task_priority priority ) { const Scheduler_Control *scheduler; Thread_Control *the_thread; Thread_queue_Context queue_context; ISR_lock_Context state_context; Per_CPU_Control *cpu_self; bool valid; Priority_Control core_priority; Status_Control status; if ( !_Scheduler_Get_by_id( scheduler_id, &scheduler ) ) { return RTEMS_INVALID_ID; } core_priority = _RTEMS_Priority_To_core( scheduler, priority, &valid ); if ( !valid ) { return RTEMS_INVALID_PRIORITY; } _Thread_queue_Context_initialize( &queue_context ); the_thread = _Thread_Get( task_id, &queue_context.Lock_context.Lock_context ); if ( the_thread == NULL ) { #if defined(RTEMS_MULTIPROCESSING) if ( _Thread_MP_Is_remote( task_id ) ) { return RTEMS_ILLEGAL_ON_REMOTE_OBJECT; } #endif return RTEMS_INVALID_ID; } cpu_self = _Thread_Dispatch_disable_critical( &queue_context.Lock_context.Lock_context ); _Thread_Wait_acquire_critical( the_thread, &queue_context ); _Thread_State_acquire_critical( the_thread, &state_context ); status = _Scheduler_Set( scheduler, the_thread, core_priority ); _Thread_State_release_critical( the_thread, &state_context ); _Thread_Wait_release( the_thread, &queue_context ); _Thread_Dispatch_enable( cpu_self ); return _Status_Get( status ); }
rtems_status_code rtems_task_delete( rtems_id id ) { Thread_Control *the_thread; ISR_lock_Context lock_context; Thread_Control *executing; Per_CPU_Control *cpu_self; the_thread = _Thread_Get( id, &lock_context ); if ( the_thread == NULL ) { #if defined(RTEMS_MULTIPROCESSING) if ( _Thread_MP_Is_remote( id ) ) { return RTEMS_ILLEGAL_ON_REMOTE_OBJECT; } #endif return RTEMS_INVALID_ID; } cpu_self = _Thread_Dispatch_disable_critical( &lock_context ); _ISR_lock_ISR_enable( &lock_context ); executing = _Per_CPU_Get_executing( cpu_self ); if ( the_thread == executing ) { /* * The Classic tasks are neither detached nor joinable. In case of * self deletion, they are detached, otherwise joinable by default. */ _Thread_Exit( executing, THREAD_LIFE_TERMINATING | THREAD_LIFE_DETACHED, NULL ); } else { _Thread_Close( the_thread, executing ); } _Thread_Dispatch_enable( cpu_self ); return RTEMS_SUCCESSFUL; }