chromium/base/task/sequence_manager/atomic_flag_set.h

// Copyright 2019 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_SEQUENCE_MANAGER_ATOMIC_FLAG_SET_H_
#define BASE_TASK_SEQUENCE_MANAGER_ATOMIC_FLAG_SET_H_

#include <array>
#include <atomic>
#include <memory>

#include "base/base_export.h"
#include "base/functional/callback.h"
#include "base/memory/raw_ptr.h"
#include "base/task/sequence_manager/associated_thread_id.h"

namespace base::sequence_manager::internal {

// This class maintains a set of AtomicFlags which can be activated or
// deactivated at any time by any thread. When a flag is created a callback is
// specified and the RunActiveCallbacks method can be invoked to fire callbacks
// for all active flags. Creating releasing or destroying an AtomicFlag must be
// done on the associated thread, as must calling RunActiveCallbacks. This
// class is thread-affine.
class BASE_EXPORT AtomicFlagSet { … };

}  // namespace base::sequence_manager::internal

#endif  // BASE_TASK_SEQUENCE_MANAGER_ATOMIC_FLAG_SET_H_