Hook.hpp

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// The Reactive C++ Toolbox.
// Copyright (C) 2013-2019 Swirly Cloud Limited
// Copyright (C) 2021 Reactive Markets Limited
//
// 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 TOOLBOX_IO_HOOK_HPP
#define TOOLBOX_IO_HOOK_HPP
 
#include <toolbox/sys/Time.hpp>
#include <toolbox/util/Slot.hpp>
 
#include <boost/intrusive/list.hpp>
 
namespace toolbox {
inline namespace io {
 
struct Hook
: boost::intrusive::list_base_hook<boost::intrusive::link_mode<boost::intrusive::auto_unlink>> {
    using Slot = BasicSlot<CyclTime>;
    explicit Hook(Slot slot) noexcept
    : slot{slot}
    {
    }
    Hook() = default;
    Slot slot;
};
 
using HookList = boost::intrusive::list<Hook, boost::intrusive::constant_time_size<false>>;
 
TOOLBOX_API void dispatch(CyclTime now, const HookList& l) noexcept;
 
} // namespace io
} // namespace toolbox
 
#endif // TOOLBOX_IO_HOOK_HPP