feat add rxcpp

3party/rxcpp/schedulers/rx-sameworker.hpp

@@ -0,0 +1,52 @@
+// Copyright (c) Microsoft Open Technologies, Inc. All rights reserved. See License.txt in the project root for license information.
+
+#pragma once
+
+#if !defined(RXCPP_RX_SCHEDULER_SAME_WORKER_HPP)
+#define RXCPP_RX_SCHEDULER_SAME_WORKER_HPP
+
+#include "../rx-includes.hpp"
+
+namespace rxcpp {
+
+namespace schedulers {
+
+struct same_worker : public scheduler_interface
+{
+private:
+    typedef same_worker this_type;
+    same_worker(const this_type&);
+
+    rxsc::worker controller;
+
+public:
+    explicit same_worker(rxsc::worker w)
+        : controller(std::move(w))
+    {
+    }
+    virtual ~same_worker()
+    {
+    }
+
+    virtual clock_type::time_point now() const {
+        return controller.now();
+    }
+
+    virtual worker create_worker(composite_subscription cs) const {
+        // use different lifetime
+        auto inner_lifetime = controller.get_subscription();
+        auto token = inner_lifetime.add(cs);
+        cs.add([inner_lifetime, token](){inner_lifetime.remove(token);});
+        return worker(cs, controller);
+    }
+};
+
+inline scheduler make_same_worker(rxsc::worker w) {
+    return make_scheduler<same_worker>(std::move(w));
+}
+
+}
+
+}
+
+#endif