lio 0.4.1

A platform-independent async I/O library with native support for io_uring (Linux), IOCP (Windows), and kqueue (macOS)
Documentation 
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use std::io;

use crate::{
  api::{ops, resource::FromResource},
  fs::File,
  operation::{OpMeta, Operation, OperationExt},
};

pub struct OpenatFile(ops::OpenAt);

impl OperationExt for OpenatFile {
  type Result = io::Result<File>;
}

impl Operation for OpenatFile {
  fn run_blocking(&self) -> isize {
    self.0.run_blocking()
  }
  fn meta(&self) -> OpMeta {
    self.0.meta()
  }
  fn result(&mut self, ret: isize) -> *const () {
    let ptr =
      self.0.result(ret) as *const <ops::Socket as OperationExt>::Result;

    // SAFETY: The pointer was just created by Accept::result and points to valid Accept::Result
    let accept_result = unsafe { ptr.read() };

    let socket_result = accept_result.map(File::from_resource);

    // Box the result and return pointer
    Box::into_raw(Box::new(socket_result)) as *const ()
  }
  fn cap(&self) -> i32 {
    self.0.cap()
  }

  #[cfg(linux)]
  fn create_entry(&self) -> lio_uring::submission::Entry {
    self.0.create_entry()
  }
}