rtems_status_code rtems_event_system_receive( rtems_event_set event_in, rtems_option option_set, rtems_interval ticks, rtems_event_set *event_out ) { rtems_status_code sc; if ( event_out != NULL ) { ISR_lock_Context lock_context; Thread_Control *executing; RTEMS_API_Control *api; Event_Control *event; executing = _Thread_Wait_acquire_default_for_executing( &lock_context ); api = executing->API_Extensions[ THREAD_API_RTEMS ]; event = &api->System_event; if ( !_Event_sets_Is_empty( event_in ) ) { sc = _Event_Seize( event_in, option_set, ticks, event_out, executing, event, THREAD_WAIT_CLASS_SYSTEM_EVENT, STATES_WAITING_FOR_SYSTEM_EVENT, &lock_context ); } else { *event_out = event->pending_events; _Thread_Wait_release_default( executing, &lock_context ); sc = RTEMS_SUCCESSFUL; } } else { sc = RTEMS_INVALID_ADDRESS; } return sc; }
rtems_status_code rtems_event_receive( rtems_event_set event_in, rtems_option option_set, rtems_interval ticks, rtems_event_set *event_out ) { rtems_status_code sc; if ( event_out != NULL ) { Thread_Control *executing = _Thread_Get_executing(); RTEMS_API_Control *api = executing->API_Extensions[ THREAD_API_RTEMS ]; Event_Control *event = &api->Event; if ( !_Event_sets_Is_empty( event_in ) ) { _Thread_Disable_dispatch(); _Event_Seize( event_in, option_set, ticks, event_out, executing, event, &_Event_Sync_state, STATES_WAITING_FOR_EVENT ); _Thread_Enable_dispatch(); sc = executing->Wait.return_code; } else { *event_out = event->pending_events; sc = RTEMS_SUCCESSFUL; } } else { sc = RTEMS_INVALID_ADDRESS; } return sc; }
rtems_status_code rtems_event_receive( rtems_event_set event_in, rtems_option option_set, rtems_interval ticks, rtems_event_set *event_out ) { RTEMS_API_Control *api; if ( !event_out ) return RTEMS_INVALID_ADDRESS; api = _Thread_Executing->API_Extensions[ THREAD_API_RTEMS ]; if ( _Event_sets_Is_empty( event_in ) ) { *event_out = api->pending_events; return RTEMS_SUCCESSFUL; } _Thread_Disable_dispatch(); _Event_Seize( event_in, option_set, ticks, event_out ); _Thread_Enable_dispatch(); return( _Thread_Executing->Wait.return_code ); }