[dvt]

If you need something more powerful, Boost.Interprocess is also a thing[1]. I used it like 10 years ago and seemed to work well. Looking at the docs, it even has a RAII-ish thing called `boost::interprocess::remove_shared_memory_on_destroy`.

[1] https://www.boost.org/doc/libs/1_85_0/doc/html/interprocess....