action->p_file->current_position+= incr; // current_position
// which becomes the new file size
action->p_file->size = action->p_file->current_position ;
sg_size_t *psize = xbt_new(sg_size_t,1);
*psize = action->p_file->size;
action->p_file->current_position+= incr; // current_position
// which becomes the new file size
action->p_file->size = action->p_file->current_position ;
sg_size_t *psize = xbt_new(sg_size_t,1);
*psize = action->p_file->size;