2 Copyright (c) 2018-2019 Nokia.
4 Licensed under the Apache License, Version 2.0 (the "License");
5 you may not use this file except in compliance with the License.
6 You may obtain a copy of the License at
8 http://www.apache.org/licenses/LICENSE-2.0
10 Unless required by applicable law or agreed to in writing, software
11 distributed under the License is distributed on an "AS IS" BASIS,
12 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 See the License for the specific language governing permissions and
14 limitations under the License.
18 * This source code is part of the near-RT RIC (RAN Intelligent Controller)
19 * platform project (RICP).
22 #ifndef SHAREDDATALAYER_EVENTFD_HPP_
23 #define SHAREDDATALAYER_EVENTFD_HPP_
28 #include "private/filedescriptor.hpp"
30 namespace shareddatalayer
39 explicit EventFD(Engine& engine);
41 EventFD(System& system, Engine& engine);
45 using Callback = std::function<void()>;
47 void post(const Callback& callback);
49 EventFD(EventFD&&) = delete;
50 EventFD(const EventFD&) = delete;
51 EventFD& operator = (EventFD&&) = delete;
52 EventFD& operator = (const EventFD&) = delete;
55 using Callbacks = std::list<Callback>;
57 void atomicPushBack(const Callback& callback);
59 Callbacks atomicPopAll();
63 void executeCallbacks();
65 static void popAndExecuteFirstCallback(Callbacks& callbacks);
70 std::mutex callbacksMutex;