How are Unix pipes implemented?
How plan 9(front) does it:
<a href="http://man.postnix.pw/9front/3/pipe" rel="nofollow">http://man.postnix.pw/9front/3/pipe</a>
<a href="https://raw.githubusercontent.com/9front/9front-test/master/sys/src/9/port/devpipe.c" rel="nofollow">https://raw.githubusercontent.com/9front/9front-test/master/...</a><p>It's a kernel level file server.