rtems_status_code _Partition_MP_Return_buffer( rtems_id id, void *buffer ) { return _Partition_MP_Send_request_packet( id, buffer, PARTITION_MP_RETURN_BUFFER_REQUEST ); }
rtems_status_code _Partition_MP_Get_buffer( rtems_id id, void **buffer ) { _Thread_Get_executing()->Wait.return_argument = buffer; return _Partition_MP_Send_request_packet( id, buffer, PARTITION_MP_GET_BUFFER_REQUEST ); }
rtems_status_code rtems_partition_get_buffer( rtems_id id, void **buffer ) { register Partition_Control *the_partition; Objects_Locations location; void *the_buffer; if ( !buffer ) return RTEMS_INVALID_ADDRESS; the_partition = _Partition_Get( id, &location ); switch ( location ) { case OBJECTS_LOCAL: the_buffer = _Partition_Allocate_buffer( the_partition ); if ( the_buffer ) { the_partition->number_of_used_blocks += 1; _Thread_Enable_dispatch(); *buffer = the_buffer; return RTEMS_SUCCESSFUL; } _Thread_Enable_dispatch(); return RTEMS_UNSATISFIED; #if defined(RTEMS_MULTIPROCESSING) case OBJECTS_REMOTE: _Thread_Executing->Wait.return_argument = buffer; return( _Partition_MP_Send_request_packet( PARTITION_MP_GET_BUFFER_REQUEST, id, 0 /* Not used */ ) ); #endif case OBJECTS_ERROR: break; } return RTEMS_INVALID_ID; }
rtems_status_code rtems_partition_return_buffer( rtems_id id, void *buffer ) { register Partition_Control *the_partition; Objects_Locations location; the_partition = _Partition_Get( id, &location ); switch ( location ) { case OBJECTS_LOCAL: if ( _Partition_Is_buffer_valid( buffer, the_partition ) ) { _Partition_Free_buffer( the_partition, buffer ); the_partition->number_of_used_blocks -= 1; _Thread_Enable_dispatch(); return RTEMS_SUCCESSFUL; } _Thread_Enable_dispatch(); return RTEMS_INVALID_ADDRESS; #if defined(RTEMS_MULTIPROCESSING) case OBJECTS_REMOTE: return _Partition_MP_Send_request_packet( PARTITION_MP_RETURN_BUFFER_REQUEST, id, buffer ); #endif case OBJECTS_ERROR: break; } return RTEMS_INVALID_ID; }