New Async wrapper.

src/base/kernel/interfaces/IAsyncListener.h

@@ -0,0 +1,47 @@
+/* XMRig
+ * Copyright 2018-2020 SChernykh   <https://github.com/SChernykh>
+ * Copyright 2016-2020 XMRig       <https://github.com/xmrig>, <support@xmrig.com>
+ *
+ *   This program is free software: you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License as published by
+ *   the Free Software Foundation, either version 3 of the License, or
+ *   (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ *   GNU General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef XMRIG_IASYNCLISTENER_H
+#define XMRIG_IASYNCLISTENER_H
+
+
+#include "base/tools/Object.h"
+
+
+namespace xmrig {
+
+
+class Async;
+
+
+class IAsyncListener
+{
+public:
+    XMRIG_DISABLE_COPY_MOVE(IAsyncListener)
+
+    IAsyncListener()            = default;
+    virtual ~IAsyncListener()   = default;
+
+    virtual void onAsync()      = 0;
+};
+
+
+} /* namespace xmrig */
+
+
+#endif // XMRIG_IASYNCLISTENER_H