#define __CDS_CONTAINER_MICHAEL_KVLIST_NOGC_H
#include <memory>
-#include <cds/container/michael_list_base.h>
+#include <cds/container/details/michael_list_base.h>
#include <cds/intrusive/michael_list_nogc.h>
#include <cds/container/details/make_michael_kvlist.h>
-#include <cds/details/functor_wrapper.h>
namespace cds { namespace container {
typedef make_michael_kvlist<cds::gc::nogc, K, T, Traits> base_maker;
typedef typename base_maker::node_type node_type;
- struct type_traits: public base_maker::type_traits
+ struct intrusive_traits: public base_maker::intrusive_traits
{
typedef typename base_maker::node_deallocator disposer;
};
- typedef intrusive::MichaelList<cds::gc::nogc, node_type, type_traits> type;
+ typedef intrusive::MichaelList<cds::gc::nogc, node_type, intrusive_traits> type;
};
} // namespace details
/// Michael's ordered list (key-value pair, template specialization for gc::nogc)
/** @ingroup cds_nonintrusive_list
+ @anchor cds_nonintrusive_MichaelKVList_nogc
This specialization is intended for so-called persistent usage when no item
reclamation may be performed. The class does not support deleting of list item.
typename Key,
typename Value,
#ifdef CDS_DOXYGEN_INVOKED
- typename Traits = michael_list::type_traits
+ typename Traits = michael_list::traits
#else
typename Traits
#endif
#endif
{
//@cond
- typedef details::make_michael_kvlist_nogc< Key, Value, Traits > options;
- typedef typename options::type base_class;
+ typedef details::make_michael_kvlist_nogc< Key, Value, Traits > maker;
+ typedef typename maker::type base_class;
//@endcond
public:
+ typedef cds::gc::nogc gc; ///< Garbage collector used
+ typedef Traits traits; ///< List traits
+
#ifdef CDS_DOXYGEN_INVOKED
typedef Key key_type ; ///< Key type
typedef Value mapped_type ; ///< Type of value stored in the list
typedef std::pair<key_type const, mapped_type> value_type ; ///< key/value pair stored in the list
#else
- typedef typename options::key_type key_type;
- typedef typename options::value_type mapped_type;
- typedef typename options::pair_type value_type;
+ typedef typename maker::key_type key_type;
+ typedef typename maker::value_type mapped_type;
+ typedef typename maker::pair_type value_type;
#endif
- typedef typename base_class::gc gc ; ///< Garbage collector used
- typedef typename base_class::back_off back_off ; ///< Back-off strategy used
- typedef typename options::allocator_type allocator_type ; ///< Allocator type used for allocate/deallocate the nodes
- typedef typename base_class::item_counter item_counter ; ///< Item counting policy used
- typedef typename options::key_comparator key_comparator ; ///< key comparison functor
- typedef typename base_class::memory_model memory_model ; ///< Memory ordering. See cds::opt::memory_model option
+ typedef typename base_class::back_off back_off; ///< Back-off strategy used
+ typedef typename maker::allocator_type allocator_type; ///< Allocator type used for allocate/deallocate the nodes
+ typedef typename base_class::item_counter item_counter; ///< Item counting policy used
+ typedef typename maker::key_comparator key_comparator; ///< key comparison functor
+ typedef typename base_class::memory_model memory_model; ///< Memory ordering. See cds::opt::memory_model option
protected:
//@cond
- typedef typename base_class::value_type node_type;
- typedef typename options::cxx_allocator cxx_allocator;
- typedef typename options::node_deallocator node_deallocator;
- typedef typename options::type_traits::compare intrusive_key_comparator;
+ typedef typename base_class::value_type node_type;
+ typedef typename maker::cxx_allocator cxx_allocator;
+ typedef typename maker::node_deallocator node_deallocator;
+ typedef typename maker::intrusive_traits::compare intrusive_key_comparator;
typedef typename base_class::atomic_node_ptr head_type;
//@endcond
- private:
- //@cond
-# ifndef CDS_CXX11_LAMBDA_SUPPORT
- struct ensure_functor
- {
- node_type * m_pItemFound;
-
- ensure_functor()
- : m_pItemFound( nullptr )
- {}
-
- void operator ()(bool, node_type& item, node_type& )
- {
- m_pItemFound = &item;
- }
- };
-
- template <typename Func>
- class find_functor: protected cds::details::functor_wrapper<Func>
- {
- typedef cds::details::functor_wrapper<Func> base_class;
- public:
- find_functor( Func f )
- : base_class(f)
- {}
-
- template <typename Q>
- void operator ()( node_type& node, Q& )
- {
- base_class::get()( node.m_Data );
- }
- };
-# endif
- //@endcond
-
protected:
//@cond
template <typename K>
return cxx_allocator().New( key, val );
}
-#ifdef CDS_EMPLACE_SUPPORT
template <typename K, typename... Args>
static node_type * alloc_node( K&& key, Args&&... args )
{
return cxx_allocator().MoveNew( std::forward<K>(key), std::forward<Args>(args)... );
}
-#endif
static void free_node( node_type * pNode )
{
/// Returns an iterator that addresses the location succeeding the last element in a list
/**
Do not use the value returned by <tt>end</tt> function to access any item.
- Internally, <tt>end</tt> returning value equals to <tt>NULL</tt>.
+ Internally, <tt>end</tt> returning value equals to \p nullptr.
The returned value can be used only to control reaching the end of the list.
For empty list \code begin() == end() \endcode
{
return const_iterator( head() );
}
- const_iterator cbegin()
+ const_iterator cbegin() const
{
return const_iterator( head() );
}
{
return const_iterator();
}
- const_iterator cend()
+ const_iterator cend() const
{
return const_iterator();
}
to the list's item inserted. <tt>item.second</tt> is a reference to item's value that may be changed.
User-defined functor \p func should guarantee that during changing item's value no any other changes
could be made on this list's item by concurrent threads.
- The user-defined functor can be passed by reference using <tt>boost::ref</tt>
- and it is called only if the inserting is successful.
The key_type should be constructible from value of type \p K.
return std::make_pair( node_to_iterator( ret.first ), ret.second );
}
-# ifdef CDS_EMPLACE_SUPPORT
/// Inserts data of type \ref mapped_type constructed with <tt>std::forward<Args>(args)...</tt>
/**
Returns an iterator pointed to inserted value, or \p end() if inserting is failed
-
- This function is available only for compiler that supports
- variadic template and move semantics
*/
template <typename K, typename... Args>
iterator emplace( K&& key, Args&&... args )
{
return node_to_iterator( emplace_at( head(), std::forward<K>(key), std::forward<Args>(args)... ));
}
-# endif
/// Find the key \p key
/** \anchor cds_nonintrusive_MichaelKVList_nogc_find
return node_to_iterator( find_at( head(), key, intrusive_key_comparator() ) );
}
- /// Finds the key \p val using \p pred predicate for searching
+ /// Finds the key \p key using \p pred predicate for searching
/**
The function is an analog of \ref cds_nonintrusive_MichaelKVList_nogc_find "find(Q const&)"
but \p pred is used for key comparing.
template <typename Q, typename Less>
iterator find_with( Q const& key, Less pred )
{
- return node_to_iterator( find_at( head(), key, typename options::template less_wrapper<Less>::type() ) );
+ CDS_UNUSED( pred );
+ return node_to_iterator( find_at( head(), key, typename maker::template less_wrapper<Less>::type() ) );
}
/// Check if the list is empty
/// Returns list's item count
/**
- The value returned depends on opt::item_counter option. For atomicity::empty_item_counter,
+ The value returned depends on item counter provided by \p Traits. For \p atomicity::empty_item_counter,
this function always returns 0.
- <b>Warning</b>: even if you use real item counter and it returns 0, this fact is not mean that the list
- is empty. To check list emptyness use \ref empty() method.
+ @note Even if you use real item counter and it returns 0, this fact does not mean that the list
+ is empty. To check list emptyness use \p empty() method.
*/
size_t size() const
{
}
/// Clears the list
- /**
- Post-condition: the list is empty
- */
void clear()
{
base_class::clear();
scoped_node_ptr pNode( alloc_node( key ));
if ( base_class::insert_at( refHead, *pNode )) {
- cds::unref(f)( pNode->m_Data );
+ f( pNode->m_Data );
return pNode.release();
}
return nullptr;
scoped_node_ptr pNode( alloc_node( key ));
node_type * pItemFound = nullptr;
-# ifdef CDS_CXX11_LAMBDA_SUPPORT
std::pair<bool, bool> ret = base_class::ensure_at( refHead, *pNode, [&pItemFound](bool, node_type& item, node_type&){ pItemFound = &item; });
-# else
- ensure_functor func;
- std::pair<bool, bool> ret = base_class::ensure_at( refHead, *pNode, boost::ref(func) );
- pItemFound = func.m_pItemFound;
-# endif
assert( pItemFound != nullptr );
if ( ret.first && ret.second )
return std::make_pair( pItemFound, ret.second );
}
-# ifdef CDS_EMPLACE_SUPPORT
template <typename K, typename... Args>
node_type * emplace_at( head_type& refHead, K&& key, Args&&... args )
{
return insert_node_at( refHead, alloc_node( std::forward<K>(key), std::forward<Args>(args)... ));
}
-#endif
template <typename K, typename Compare>
node_type * find_at( head_type& refHead, K const& key, Compare cmp )
{
return base_class::find_at( refHead, key, cmp );
}
-
- /*
- template <typename K, typename Compare typename Func>
- bool find_at( head_type& refHead, K& key, Compare cmp, Func f )
- {
-# ifdef CDS_CXX11_LAMBDA_SUPPORT
- return base_class::find_at( refHead, key, cmp, [&f]( node_type& node, K const& ){ cds::unref(f)( node.m_Data ); });
-# else
- find_functor<Func> wrapper( f );
- return base_class::find_at( refHead, key, cmp, cds::ref(wrapper) );
-# endif
- }
- */
//@endcond
};
projects / libcds.git / blobdiff