| 1 | // |
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| 2 | // Copyright (c) 2016-2019 Vinnie Falco (vinnie dot falco at gmail dot com) |
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| 3 | // |
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| 4 | // Distributed under the Boost Software License, Version 1.0. (See accompanying |
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| 5 | // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) |
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| 6 | // |
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| 7 | // Official repository: https://github.com/boostorg/beast |
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| 8 | // |
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| 9 | |
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| 10 | #ifndef BOOST_BEAST_CORE_DETAIL_ASYNC_BASE_HPP |
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| 11 | #define BOOST_BEAST_CORE_DETAIL_ASYNC_BASE_HPP |
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| 12 | |
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| 13 | #include <boost/core/exchange.hpp> |
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| 14 | |
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| 15 | namespace boost { |
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| 16 | namespace beast { |
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| 17 | namespace detail { |
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| 18 | |
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| 19 | struct stable_base |
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| 20 | { |
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| 21 | static |
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| 22 | void |
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| 23 | destroy_list(stable_base*& list) |
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| 24 | { |
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| 25 | while(list) |
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| 26 | { |
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| 27 | auto next = list->next_; |
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| 28 | list->destroy(); |
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| 29 | list = next; |
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| 30 | } |
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| 31 | } |
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| 32 | |
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| 33 | stable_base* next_ = nullptr; |
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| 34 | |
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| 35 | protected: |
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| 36 | stable_base() = default; |
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| 37 | virtual ~stable_base() = default; |
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| 38 | |
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| 39 | virtual void destroy() = 0; |
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| 40 | }; |
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| 41 | |
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| 42 | } // detail |
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| 43 | } // beast |
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| 44 | } // boost |
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| 45 | |
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| 46 | #endif |
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| 47 | |
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