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Adapt aio to the world of async/await, and fix some potential unsound…
…ness. * libc::aiocb must not be moved while the kernel has a pointer to it. This change enforces that requirement by using std::pin. * Split LioCbBuilder out of LioCb. struct LioCb relied on the (incorrect) assumption that a Vec's elements have a stable location in memory. That's not true; they can be moved during Vec::push. The solution is to use a Vec in the new Builder struct, but finalize it to a boxed slice (which doesn't support push) before allowing it to be submitted to the kernel. * Eliminate owned buffer types. mio-aio no longer uses owned buffers with nix::aio. There's little need for it in the world of async/await. I'm not aware of any other consumers. This substantially simplifies the code.
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cc = "1"< |