> Apparently this trick has been known for a while, but is seldom used. A long, long, long time - especially on old big iron mainframes. Here's a virtual ring

> Apparently this trick has been known for a while, but is seldom used. A long, long, long time - especially on old big iron mainframes. Here's a virtual ring buffer in C using mmap from 2002 written by a grey beard former mainframe coder, Philip Howard aka skapare: https://web.archive.org/web/20100706051254/http://libh.slashusr.org/source/vrb/src/lib/h/vrb_init.c https://web.archive.org/web/20100706051254/http://libh.slash...