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_BASE_PIPE_H_ 18 #define INCLUDE_PERFETTO_BASE_PIPE_H_ 19 20 #include "perfetto/base/scoped_file.h" 21 22 namespace perfetto { 23 namespace base { 24 25 class Pipe { 26 public: 27 enum Flags { 28 kBothBlock = 0, 29 kBothNonBlock, 30 kRdNonBlock, 31 kWrNonBlock, 32 }; 33 34 static Pipe Create(Flags = kBothBlock); 35 36 Pipe(); 37 Pipe(Pipe&&) noexcept; 38 Pipe& operator=(Pipe&&); 39 40 ScopedFile rd; 41 ScopedFile wr; 42 }; 43 44 } // namespace base 45 } // namespace perfetto 46 47 #endif // INCLUDE_PERFETTO_BASE_PIPE_H_ 48