stbuehler

3 ms·

1. 1.▲
   by stbuehler 7y ago

   That is exactly what `async` blocks are about: they do support self-referential structs, and `Pin` is what allows us to use those in a safe way, as `Pin`ned data can't be moved again (unless the data is `Unpin`, which self-referentia
2. 2.▲
   by stbuehler 7y ago

   I'm not sure about the details for file I/O; files with FMODE_NOWAIT should be fine (block devices, ext4, btrfs, ...). The idea is that during submission an operation is started with IOCB_NOWAIT; an operation shouldn't block
3. 3.▲
   by stbuehler 7y ago

   https://github.com/stbuehler/rust-io-uring Note that io_uring in linux 5.1 has various bugs; especially READ* and WRITE* on sockets/pipe don't work very well (afaik they either block submission or return -EAG