Fix windows Socket::connect_timeout overflow

library/std/src/net/tcp/tests.rs

@@ -46,6 +46,17 @@ fn connect_error() {
     }
 }
 
+#[test]
+#[cfg_attr(target_env = "sgx", ignore)] // FIXME: https://github.com/fortanix/rust-sgx/issues/31
+fn connect_timeout_error() {
+    let socket_addr = next_test_ip4();
+    let result = TcpStream::connect_timeout(&socket_addr, Duration::MAX);
+    assert!(!matches!(result, Err(e) if e.kind() == ErrorKind::TimedOut));
+
+    let _listener = TcpListener::bind(&socket_addr).unwrap();
+    assert!(TcpStream::connect_timeout(&socket_addr, Duration::MAX).is_ok());
+}
+
 #[test]
 fn listen_localhost() {
     let socket_addr = next_test_ip4();

library/std/src/sys/windows/net.rs

@@ -159,7 +159,7 @@ impl Socket {
                 }
 
                 let mut timeout = c::timeval {
-                    tv_sec: timeout.as_secs() as c_long,
+                    tv_sec: cmp::min(timeout.as_secs(), c_long::MAX as u64) as c_long,
                     tv_usec: (timeout.subsec_nanos() / 1000) as c_long,
                 };