start --server on gmd wayland, just for communications, no connections will be established

Signed-off-by: fufesou <shuanglongchen@yeah.net>

src/server/service.rs

@@ -189,6 +189,17 @@ impl<T: Subscriber + From<ConnInner>> ServiceTmpl<T> {
         }
     }
 
+    #[inline]
+    fn wait_prelogin(&self) {
+        #[cfg(target_os = "linux")]
+        while self.active() {
+            if crate::platform::linux::is_prelogin() {
+                break;
+            }
+            thread::sleep(time::Duration::from_millis(300));
+        }
+    }
+
     pub fn repeat<S, F>(&self, interval_ms: u64, callback: F)
     where
         F: 'static + FnMut(Self, &mut S) -> ResultType<()> + Send,
@@ -198,6 +209,8 @@ impl<T: Subscriber + From<ConnInner>> ServiceTmpl<T> {
         let mut callback = callback;
         let sp = self.clone();
         let thread = thread::spawn(move || {
+            sp.wait_prelogin();
+
             let mut state = S::default();
             let mut may_reset = false;
             while sp.active() {
@@ -232,6 +245,8 @@ impl<T: Subscriber + From<ConnInner>> ServiceTmpl<T> {
         let sp = self.clone();
         let mut callback = callback;
         let thread = thread::spawn(move || {
+            sp.wait_prelogin();
+
             let mut error_timeout = HIBERNATE_TIMEOUT;
             while sp.active() {
                 if sp.has_subscribes() {