1 /*
2  * Copyright (C) 2020 The Android Open Source Project
3  *
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
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
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.
15  */
16 #pragma once
17 
18 #include <string>
19 
20 namespace cuttlefish {
21 class SysVMessageQueue {
22  public:
23   static std::unique_ptr<SysVMessageQueue> Create(const std::string& queue_name,
24                                                   bool auto_close = true);
25   ~SysVMessageQueue();
26 
27   int Send(void* data, size_t size, bool block);
28   ssize_t Receive(void* data, size_t size, long msgtyp, bool block);
29 
30  private:
31   SysVMessageQueue(int msgid, bool auto_close);
32   int msgid_;
33   bool auto_close_;
34 };
35 }  // namespace cuttlefish
36