2 This file is a part of libcds - Concurrent Data Structures library
4 (C) Copyright Maxim Khizhinsky (libcds.dev@gmail.com) 2006-2016
6 Source code repo: http://github.com/khizmax/libcds/
7 Download: http://sourceforge.net/projects/libcds/files/
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10 modification, are permitted provided that the following conditions are met:
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13 list of conditions and the following disclaimer.
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16 this list of conditions and the following disclaimer in the documentation
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31 #ifndef CDSLIB_CONTAINER_DETAILS_MAKE_SKIP_LIST_SET_H
32 #define CDSLIB_CONTAINER_DETAILS_MAKE_SKIP_LIST_SET_H
34 #include <cds/container/details/skip_list_base.h>
35 #include <cds/details/binary_functor_wrapper.h>
38 namespace cds { namespace container { namespace details {
40 template <typename GC, typename T, typename Traits>
41 struct make_skip_list_set
45 typedef Traits traits;
47 typedef cds::intrusive::skip_list::node< gc > intrusive_node_type;
48 struct node_type: public intrusive_node_type
50 typedef intrusive_node_type base_class;
51 typedef typename base_class::atomic_marked_ptr atomic_marked_ptr;
52 typedef value_type stored_value_type;
55 //atomic_marked_ptr m_arrTower[] ; // allocated together with node_type in single memory block
58 node_type( unsigned int nHeight, atomic_marked_ptr * pTower, Q&& v )
59 : m_Value( std::forward<Q>( v ))
61 init_tower( nHeight, pTower );
64 template <typename Q, typename... Args>
65 node_type( unsigned int nHeight, atomic_marked_ptr * pTower, Q&& q, Args&&... args )
66 : m_Value( std::forward<Q>(q), std::forward<Args>(args)... )
68 init_tower( nHeight, pTower );
74 void init_tower( unsigned nHeight, atomic_marked_ptr* pTower )
77 // TSan: make_tower() issues atomic_thread_fence( release )
78 CDS_TSAN_ANNOTATE_IGNORE_WRITES_BEGIN;
79 new ( pTower ) atomic_marked_ptr[nHeight - 1];
80 base_class::make_tower( nHeight, pTower );
81 CDS_TSAN_ANNOTATE_IGNORE_WRITES_END;
86 typedef skip_list::details::node_allocator< node_type, traits> node_allocator;
88 struct node_deallocator {
89 void operator ()( node_type * pNode )
91 node_allocator().Delete( pNode );
95 typedef skip_list::details::dummy_node_builder<intrusive_node_type> dummy_node_builder;
99 value_type const& operator()( node_type const& node ) const
104 typedef typename opt::details::make_comparator< value_type, traits >::type key_comparator;
106 template <typename Less>
107 struct less_wrapper {
108 typedef cds::details::compare_wrapper< node_type, cds::opt::details::make_comparator_from_less<Less>, value_accessor > type;
111 class intrusive_traits: public cds::intrusive::skip_list::make_traits<
112 cds::opt::type_traits< traits >
113 ,cds::intrusive::opt::hook< intrusive::skip_list::base_hook< cds::opt::gc< gc > > >
114 ,cds::intrusive::opt::disposer< node_deallocator >
115 ,cds::intrusive::skip_list::internal_node_builder< dummy_node_builder >
116 ,cds::opt::compare< cds::details::compare_wrapper< node_type, key_comparator, value_accessor > >
120 typedef cds::intrusive::SkipListSet< gc, node_type, intrusive_traits> type;
122 }}} // namespace cds::container::details
125 #endif //#ifndef CDSLIB_CONTAINER_DETAILS_MAKE_SKIP_LIST_SET_H