/* * Copyright (C) 2017 The Android Open Source Project * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ #ifndef INCLUDE_PERFETTO_BASE_TASK_RUNNER_H_ #define INCLUDE_PERFETTO_BASE_TASK_RUNNER_H_ #include <stdint.h> #include <functional> #include "perfetto/base/export.h" #include "perfetto/base/platform_handle.h" namespace perfetto { namespace base { // A generic interface to allow the library clients to interleave the execution // of the tracing internals in their runtime environment. // The expectation is that all tasks, which are queued either via PostTask() or // AddFileDescriptorWatch(), are executed on the same sequence (either on the // same thread, or on a thread pool that gives sequencing guarantees). // // Tasks are never executed synchronously inside PostTask and there is a full // memory barrier between tasks. // // All methods of this interface can be called from any thread. class PERFETTO_EXPORT_COMPONENT TaskRunner { … }; } // namespace base } // namespace perfetto #endif // INCLUDE_PERFETTO_BASE_TASK_RUNNER_H_