basic support IOCP Operator

Author: loongs-zhang

core/src/net/operator/windows/mod.rs

@@ -32,11 +32,11 @@ mod tests;
 pub(crate) struct Overlapped {
     /// The base [`OVERLAPPED`].
     #[educe(Debug(ignore))]
-    pub base: OVERLAPPED,
-    pub from_fd: SOCKET,
+    base: OVERLAPPED,
+    from_fd: SOCKET,
     pub token: usize,
-    pub syscall_name: SyscallName,
-    pub socket: SOCKET,
+    syscall_name: SyscallName,
+    socket: SOCKET,
     pub result: c_longlong,
 }