1 /*
2  * Copyright (C) 2018 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 
17 #ifndef INCLUDE_PERFETTO_EXT_BASE_PIPE_H_
18 #define INCLUDE_PERFETTO_EXT_BASE_PIPE_H_
19 
20 #include "perfetto/base/platform_handle.h"
21 #include "perfetto/ext/base/scoped_file.h"
22 
23 namespace perfetto {
24 namespace base {
25 
26 class Pipe {
27  public:
28   enum Flags {
29     kBothBlock = 0,
30 #if !PERFETTO_BUILDFLAG(PERFETTO_OS_WIN)
31     kBothNonBlock,
32     kRdNonBlock,
33     kWrNonBlock,
34 #endif
35   };
36 
37   static Pipe Create(Flags = kBothBlock);
38 
39   Pipe();
40   Pipe(Pipe&&) noexcept;
41   Pipe& operator=(Pipe&&);
42 
43   ScopedPlatformHandle rd;
44   ScopedPlatformHandle wr;
45 };
46 
47 }  // namespace base
48 }  // namespace perfetto
49 
50 #endif  // INCLUDE_PERFETTO_EXT_BASE_PIPE_H_
51