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