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base / threading / thread_type_delegate.h [blame]
// Copyright 2022 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_THREADING_THREAD_TYPE_DELEGATE_H_
#define BASE_THREADING_THREAD_TYPE_DELEGATE_H_
#include "base/base_export.h"
#include "base/threading/platform_thread.h"
namespace base {
// A ThreadTypeDelegate can intercept thread type changes. This can be used to
// adjust thread properties via another process when the current process can't
// directly adjust them (e.g. due to sandbox restrictions).
class BASE_EXPORT ThreadTypeDelegate {
public:
ThreadTypeDelegate();
ThreadTypeDelegate(const ThreadTypeDelegate&) = delete;
ThreadTypeDelegate& operator=(const ThreadTypeDelegate&) = delete;
virtual ~ThreadTypeDelegate();
// Invoked on thread type change. Returns true if the delegate handles
// adjusting thread properties (i.e. //base code will not adjust thread
// properties such as nice value, c-group, latency sensitivity...).
virtual bool HandleThreadTypeChange(PlatformThreadId thread_id,
ThreadType thread_type) = 0;
};
} // namespace base
#endif // BASE_THREADING_THREAD_TYPE_DELEGATE_H_