Using black magic to make a fast circular buffer (2017)

Also known as The <i>Bip Buffer</i> (from 2003) <a href="https:&#x2F;&#x2F;www.codeproject.com&#x2F;articles&#x2F;3479&#x2F;the-bip-buffer-the-circular-buffer-with-a-twist" rel="nofollow">https:&#x2F;&#x2F;www.codeproject.com&#x2F;articles&#x2F;3479&#x2F;the-bip-buffer-the...</a>

Hmmm... wondering why using arcane memfd_create() instead of simply opening a regular file on a tmpfs filesystem, such as &#x2F;dev&#x2F;shm.