Suffix Socket::(set_)recv_tos with v4

To indicate it an option for IPv4 sockets.

Author: Thomasdezeeuw

src/socket.rs

@@ -1632,7 +1632,7 @@ impl Socket {
         target_os = "espidf",
         target_os = "vita",
     )))]
-    pub fn set_recv_tos(&self, recv_tos: bool) -> io::Result<()> {
+    pub fn set_recv_tos_v4(&self, recv_tos: bool) -> io::Result<()> {
         unsafe {
             setsockopt(
                 self.as_raw(),
@@ -1645,9 +1645,9 @@ impl Socket {
 
     /// Get the value of the `IP_RECVTOS` option for this socket.
     ///
-    /// For more information about this option, see [`set_recv_tos`].
+    /// For more information about this option, see [`set_recv_tos_v4`].
     ///
-    /// [`set_recv_tos`]: Socket::set_recv_tos
+    /// [`set_recv_tos_v4`]: Socket::set_recv_tos_v4
     #[cfg(not(any(
         target_os = "aix",
         target_os = "dragonfly",
@@ -1663,7 +1663,7 @@ impl Socket {
         target_os = "espidf",
         target_os = "vita",
     )))]
-    pub fn recv_tos(&self) -> io::Result<bool> {
+    pub fn recv_tos_v4(&self) -> io::Result<bool> {
         unsafe {
             getsockopt::<c_int>(self.as_raw(), sys::IPPROTO_IP, sys::IP_RECVTOS)
                 .map(|recv_tos| recv_tos > 0)

tests/socket.rs

@@ -1425,7 +1425,7 @@ test!(IPv4 tos_v4, set_tos_v4(96));
     target_os = "vita",
     target_os = "haiku",
 )))]
-test!(IPv4 recv_tos, set_recv_tos(true));
+test!(IPv4 recv_tos_v4, set_recv_tos_v4(true));
 
 #[cfg(not(windows))] // TODO: returns `WSAENOPROTOOPT` (10042) on Windows.
 test!(IPv4 broadcast, set_broadcast(true));