59 lines
1.3 KiB
C++
59 lines
1.3 KiB
C++
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// Copyright Oliver Kowalke 2013.
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// Distributed under the Boost Software License, Version 1.0.
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// (See accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt)
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//
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// based on tss.hpp from boost.thread
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#ifndef BOOST_FIBERS_DETAIL_FSS_H
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#define BOOST_FIBERS_DETAIL_FSS_H
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#include <atomic>
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#include <cstddef>
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#include <boost/config.hpp>
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#include <boost/intrusive_ptr.hpp>
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#ifdef BOOST_HAS_ABI_HEADERS
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# include BOOST_ABI_PREFIX
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#endif
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namespace boost {
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namespace fibers {
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namespace detail {
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class fss_cleanup_function {
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private:
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std::atomic< std::size_t > use_count_{ 0 };
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public:
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typedef intrusive_ptr< fss_cleanup_function > ptr_t;
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fss_cleanup_function() noexcept = default;
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virtual ~fss_cleanup_function() = default;
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virtual void operator()( void * data) = 0;
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friend inline
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void intrusive_ptr_add_ref( fss_cleanup_function * p) noexcept {
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++p->use_count_;
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}
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friend inline
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void intrusive_ptr_release( fss_cleanup_function * p) noexcept {
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if ( --p->use_count_ == 0) {
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delete p;
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}
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}
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};
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}}}
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#ifdef BOOST_HAS_ABI_HEADERS
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# include BOOST_ABI_SUFFIX
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#endif
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#endif // BOOST_FIBERS_DETAIL_FSS_H
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