From df44b5dfd37362fc65191108d7c639231d535919 Mon Sep 17 00:00:00 2001
From: Alan Somers <asomers@gmail.com>
Date: Fri, 6 May 2022 22:56:59 -0600
Subject: [PATCH] Portability fixes

---
 src/sys/aio.rs | 19 ++++++++++++++-----
 1 file changed, 14 insertions(+), 5 deletions(-)

diff --git a/src/sys/aio.rs b/src/sys/aio.rs
index 6d2a26d367..3e7663d4e3 100644
--- a/src/sys/aio.rs
+++ b/src/sys/aio.rs
@@ -30,7 +30,6 @@ use pin_utils::unsafe_pinned;
 use std::{
     convert::TryFrom,
     fmt::{self, Debug},
-    io::{IoSlice, IoSliceMut},
     marker::{PhantomData, PhantomPinned},
     mem,
     os::unix::io::RawFd,
@@ -38,6 +37,8 @@ use std::{
     ptr,
     thread
 };
+#[cfg(target_os = "freebsd")]
+use std::io::{IoSlice, IoSliceMut};
 use crate::sys::signal::*;
 use crate::sys::time::TimeSpec;
 
@@ -1185,16 +1186,24 @@ mod t {
         assert_eq!(aior.as_ref() as *const libc::aiocb,
                    &aior as *const AioRead as *const libc::aiocb);
 
+        let wbuf = [];
+        let aiow = AioWrite::new(666, 0, &wbuf, 0, sev);
+        assert_eq!(aiow.as_ref() as *const libc::aiocb,
+                   &aiow as *const AioWrite as *const libc::aiocb);
+    }
+
+    #[cfg(target_os = "freebsd")]
+    #[test]
+    fn casting_vectored() {
+        let sev = SigevNotify::SigevNone;
+
+        let mut rbuf = [];
         let mut rbufs = [IoSliceMut::new(&mut rbuf)];
         let aiorv = AioReadv::new(666, 0, &mut rbufs[..], 0, sev);
         assert_eq!(aiorv.as_ref() as *const libc::aiocb,
                    &aiorv as *const AioReadv as *const libc::aiocb);
 
         let wbuf = [];
-        let aiow = AioWrite::new(666, 0, &wbuf, 0, sev);
-        assert_eq!(aiow.as_ref() as *const libc::aiocb,
-                   &aiow as *const AioWrite as *const libc::aiocb);
-
         let wbufs = [IoSlice::new(&wbuf)];
         let aiowv = AioWritev::new(666, 0, &wbufs, 0, sev);
         assert_eq!(aiowv.as_ref() as *const libc::aiocb,