Robuta

https://cw.fel.cvut.cz/b192/courses/b3b36prg/tutorials/serial_nonblock courses:b3b36prg:tutorials:serial_nonblock [CourseWare Wiki] courses tutorials serial courseware wiki https://lkml.indiana.edu/0109.2/0593.html Linux-Kernel Archive: O_NONBLOCK on files linux kernel archive files https://ruby-doc.org/3.3.3/exts/io/nonblock/IO.html class IO - io/nonblock: Ruby Standard Library Documentation standard library class io ruby