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base / task / thread_pool / worker_thread_observer.h [blame]
// Copyright 2018 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef BASE_TASK_THREAD_POOL_WORKER_THREAD_OBSERVER_H_
#define BASE_TASK_THREAD_POOL_WORKER_THREAD_OBSERVER_H_
namespace base {
// Interface to observe entry and exit of the main function of a ThreadPool
// worker.
class WorkerThreadObserver {
public:
virtual ~WorkerThreadObserver() = default;
// Invoked at the beginning of the main function of a ThreadPool worker,
// before any task runs.
virtual void OnWorkerThreadMainEntry() = 0;
// Invoked at the end of the main function of a ThreadPool worker, when it
// can no longer run tasks.
virtual void OnWorkerThreadMainExit() = 0;
};
} // namespace base
#endif // BASE_TASK_THREAD_POOL_WORKER_THREAD_OBSERVER_H_