Hide the netlink monitoring behind cfg(target_os = "linux")

Author: Hugo Laloge

zenoh/Cargo.toml

@@ -98,7 +98,6 @@ petgraph = { workspace = true }
 phf = { workspace = true }
 rand = { workspace = true, features = ["default"] }
 ref-cast = { workspace = true }
-rtnetlink = { workspace = true }
 serde = { workspace = true, features = ["default"] }
 serde_json = { workspace = true }
 socket2 = { workspace = true }
@@ -123,6 +122,9 @@ zenoh-runtime = { workspace = true }
 zenoh-task = { workspace = true }
 once_cell = { workspace = true }
 
+[target.'cfg(target_os = "linux")'.dependencies]
+rtnetlink = { workspace = true }
+
 [dev-dependencies]
 tokio = { workspace = true }
 

zenoh/src/net/runtime/mod.rs

@@ -18,7 +18,7 @@
 //!
 //! [Click here for Zenoh's documentation](https://docs.rs/zenoh/latest/zenoh)
 mod adminspace;
-#[cfg(unix)]
+#[cfg(target_os = "linux")]
 mod netlink;
 pub mod orchestrator;
 mod scouting;
@@ -83,7 +83,7 @@ use crate::{
     GIT_VERSION, LONG_VERSION,
 };
 
-#[cfg(unix)]
+#[cfg(target_os = "linux")]
 const NETLINK_TIMEOUT: Duration = Duration::from_millis(500);
 
 pub(crate) struct RuntimeState {
@@ -256,7 +256,7 @@ impl RuntimeBuilder {
             zenoh_config::ShmInitMode::Lazy => {}
         };
 
-        #[cfg(unix)]
+        #[cfg(target_os = "linux")]
         runtime.spawn({
             let netlink_monitor = netlink::NetlinkMonitor::new()?;
             let runtime2 = runtime.clone();
@@ -390,7 +390,7 @@ impl Runtime {
         self.state.pending_connections.lock().await.remove(zid)
     }
 
-    #[cfg(unix)]
+    #[cfg(target_os = "linux")]
     async fn monitor_netlink_socket(&self, mut netlink: netlink::NetlinkMonitor) {
         fn add_addr_to_set(
             message: &AddressMessage,