initial macos porting work

lib/runtime/src/sys/linux/net.rs

@@ -803,13 +803,9 @@ where
     let (future, handle) = completion_for_current_thread::<io::Result<T>>();
     let callback_handle = handle.clone();
     let token = with_current_driver(|driver| {
-        driver.submit_operation_with_linked_timeout(
-            fill,
-            timeout,
-            move |cqe| {
-                callback_handle.complete(map(cqe));
-            },
-        )
+        driver.submit_operation_with_linked_timeout(fill, timeout, move |cqe| {
+            callback_handle.complete(map(cqe));
+        })
     })?;
 
     handle.set_cancel(move || {
@@ -1079,7 +1075,6 @@ fn send_sync(fd: RawFd, data: Vec<u8>, flags: i32) -> io::Result<usize> {
     cvt_long(written).map(|written| written as usize)
 }
 
-
 fn recv_sync(fd: RawFd, len: usize, flags: i32) -> io::Result<Vec<u8>> {
     let mut buffer = vec![0; len];
     let read = unsafe {
@@ -1127,7 +1122,6 @@ fn close_sync(fd: RawFd) -> io::Result<()> {
     cvt(unsafe { libc::close(fd) }).map(|_| ())
 }
 
-
 /// Wrapper making `Box<libc::iovec>` sendable across the async CQE boundary.
 ///
 /// Safety: `iov_base` points into a `Vec<u8>` that is owned by the same