diff --git a/vala/threads/async_ex.vala b/vala/threads/async_ex.vala
index 884b464..669b55a 100644
--- a/vala/threads/async_ex.vala
+++ b/vala/threads/async_ex.vala
@@ -1,9 +1,8 @@
-async void long_operation() {}
-
-async void async_method(int idx, int max, MainLoopKeeper mlk) {
+async void do_smth () {}
+async void async_method(int idx, int max, int step, MainLoopKeeper mlk) {
 	for(var i = 0; i < max; ++i) {
-		stdout.puts(@"async$idx:$i\n");
-		yield long_operation();
+		stdout.puts(@"Async$idx:$i\n");
+		for(var j = 0; j < step; ++j) yield do_smth();
 	}
 }
 
@@ -15,12 +14,15 @@ public class MainLoopKeeper {
 
 void start_methods(MainLoop loop) {
 	var mlk = new MainLoopKeeper(loop);
-	async_method.begin(1, 8, mlk);
-	async_method.begin(2, 3, mlk);
+	async_method.begin(1, 8, 1, mlk);
+	async_method.begin(2, 3, 2, mlk);
 }
 
 void main() {
 	var loop = new MainLoop();
+	stdout.puts("main:1\n");
 	start_methods(loop);
+	stdout.puts("main:2\n");
 	loop.run();
+	stdout.puts("main:3\n");
 }
diff --git a/vala/threads/async_idle.vala b/vala/threads/async_idle.vala
new file mode 100644
index 0000000..2ce621f
--- /dev/null
+++ b/vala/threads/async_idle.vala
@@ -0,0 +1,19 @@
+class Test.Async : GLib.Object {
+    public async string say(string sentence) {
+        GLib.Idle.add(this.say.callback); // Useful in background threads
+        yield;                            // (yield called in the parent(main) thread).
+        return sentence;
+    }
+    public static int main(string[] args) {
+        Test.Async myasync = new Test.Async();
+        GLib.MainLoop mainloop = new GLib.MainLoop();
+        myasync.say.begin("helloworld",
+                          (obj, res) => {
+                              string sentence = myasync.say.end(res);
+                              print("%s\n", sentence);
+                              mainloop.quit();
+                          });
+        mainloop.run();
+        return 0;
+    }
+}
diff --git a/vala/threads/async_idle_bg_thread.vala b/vala/threads/async_idle_bg_thread.vala
new file mode 100644
index 0000000..92b033b
--- /dev/null
+++ b/vala/threads/async_idle_bg_thread.vala
@@ -0,0 +1,28 @@
+async double async_method() {
+	SourceFunc callback = async_method.callback;
+
+	double result = 0;
+
+	ThreadFunc<void*> run = () => {
+		stdout.puts("Thread is running!\n");
+		result = 3.14;
+		stdout.puts("Thread stopped!\n");
+		Idle.add((owned)callback);
+		return null;
+	};
+
+	new Thread<void*>("debugging thread name", run);
+	yield;
+
+	return result;
+}
+void main() {
+	MainLoop mainloop = new GLib.MainLoop();
+	async_method.begin((obj,res) => {
+			var result = async_method.end(res);
+			stdout.puts(@"async_method.callback()\nResult = $result\n");
+			mainloop.quit();
+		}
+	);
+	mainloop.run();
+}