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For those of you already using Boost, Boost also has a MMAP in their IOStreams library and it works pretty well (like most things boost).

https://www.boost.org/doc/libs/1_68_0/libs/iostreams/doc/cla...

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There is also boost interprocess which, despite the name, provides a very general way to access shared memory; in particular it provides shared memory allocators and a full reimplantation of the stl that can take advantage of them.

I've always wanted to try irt, but it can't handle unexpected process failure (i.e. a crashed process will leave the memory in an unknown state) which is something I always end up needing.

And? I am not sure what is your comment about.

It's a valid point, I think. I'd probably also trust something so established as Boost more than some random guy's lib on GitHub. However, I specifically wrote mio because I prefer not to use Boost, and from what I understand, many others don't either.

boosts quality varies

I've seen parts that weren't much better then someones lib on github, because essentially that's what boost is.

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