-//$$CDS-header$$
+/*
+ This file is a part of libcds - Concurrent Data Structures library
+
+ (C) Copyright Maxim Khizhinsky (libcds.dev@gmail.com) 2006-2016
+
+ Source code repo: http://github.com/khizmax/libcds/
+ Download: http://sourceforge.net/projects/libcds/files/
+
+ Redistribution and use in source and binary forms, with or without
+ modification, are permitted provided that the following conditions are met:
+
+ * Redistributions of source code must retain the above copyright notice, this
+ list of conditions and the following disclaimer.
+
+ * Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+ THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+ FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+ CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*/
#ifndef CDSLIB_CONTAINER_SPLIT_LIST_SET_H
#define CDSLIB_CONTAINER_SPLIT_LIST_SET_H
typedef typename base_class::item_counter item_counter; ///< Item counter type
typedef typename base_class::stat stat; ///< Internal statistics
+ /// Count of hazard pointer required
+ static CDS_CONSTEXPR const size_t c_nHazardPtrCount = base_class::c_nHazardPtrCount;
+
protected:
//@cond
typedef typename maker::cxx_node_allocator cxx_node_allocator;
assert( pNode != nullptr );
scoped_node_ptr p(pNode);
- if ( base_class::insert( *pNode ) ) {
+ if ( base_class::insert( *pNode )) {
p.release();
return true;
}
//@endcond
protected:
- /// Forward iterator
- /**
- \p IsConst - constness boolean flag
-
- The forward iterator for a split-list has the following features:
- - it has no post-increment operator
- - it depends on underlying ordered list iterator
- - The iterator object cannot be moved across thread boundary since it contains GC's guard that is thread-private GC data.
- - Iterator ensures thread-safety even if you delete the item that iterator points to. However, in case of concurrent
- deleting operations it is no guarantee that you iterate all item in the split-list.
-
- Therefore, the use of iterators in concurrent environment is not good idea. Use it for debug purpose only.
- */
+ //@cond
template <bool IsConst>
class iterator_type: protected base_class::template iterator_type<IsConst>
{
- //@cond
typedef typename base_class::template iterator_type<IsConst> iterator_base_class;
friend class SplitListSet;
- //@endcond
+
public:
/// Value pointer type (const for const iterator)
typedef typename cds::details::make_const_type<value_type, IsConst>::pointer value_ptr;
{}
protected:
- //@cond
explicit iterator_type( iterator_base_class const& src )
: iterator_base_class( src )
{}
- //@endcond
public:
/// Dereference operator
return iterator_base_class::operator!=(i);
}
};
+ //@endcond
public:
/// Initializes split-ordered list of default capacity
{}
public:
+ ///@name Forward iterators (only for debugging purpose)
+ //@{
/// Forward iterator
+ /**
+ The forward iterator for a split-list has the following features:
+ - it has no post-increment operator
+ - it depends on underlying ordered list iterator
+ - The iterator object cannot be moved across thread boundary because it contains GC's guard that is thread-private GC data.
+ - Iterator ensures thread-safety even if you delete the item that iterator points to. However, in case of concurrent
+ deleting operations it is no guarantee that you iterate all item in the split-list.
+ Moreover, a crash is possible when you try to iterate the next element that has been deleted by concurrent thread.
+
+ @warning Use this iterator on the concurrent container for debugging purpose only.
+
+ The iterator interface:
+ \code
+ class iterator {
+ public:
+ // Default constructor
+ iterator();
+
+ // Copy construtor
+ iterator( iterator const& src );
+
+ // Dereference operator
+ value_type * operator ->() const;
+
+ // Dereference operator
+ value_type& operator *() const;
+
+ // Preincrement operator
+ iterator& operator ++();
+
+ // Assignment operator
+ iterator& operator = (iterator const& src);
+
+ // Equality operators
+ bool operator ==(iterator const& i ) const;
+ bool operator !=(iterator const& i ) const;
+ };
+ \endcode
+ */
typedef iterator_type<false> iterator;
/// Const forward iterator
*/
iterator begin()
{
- return iterator( base_class::begin() );
+ return iterator( base_class::begin());
}
/// Returns an iterator that addresses the location succeeding the last element in a set
*/
iterator end()
{
- return iterator( base_class::end() );
+ return iterator( base_class::end());
}
/// Returns a forward const iterator addressing the first element in a set
/// Returns a forward const iterator addressing the first element in a set
const_iterator cbegin() const
{
- return const_iterator( base_class::cbegin() );
+ return const_iterator( base_class::cbegin());
}
/// Returns an const iterator that addresses the location succeeding the last element in a set
/// Returns an const iterator that addresses the location succeeding the last element in a set
const_iterator cend() const
{
- return const_iterator( base_class::cend() );
+ return const_iterator( base_class::cend());
}
+ //@}
public:
/// Inserts new node
template <typename Q>
bool insert( Q const& val )
{
- return insert_node( alloc_node( val ) );
+ return insert_node( alloc_node( val ));
}
/// Inserts new node
bool erase_with( Q const& key, Less pred )
{
CDS_UNUSED( pred );
- return base_class::erase_with( key, typename maker::template predicate_wrapper<Less>::type() );
+ return base_class::erase_with( key, typename maker::template predicate_wrapper<Less>::type());
}
/// Deletes \p key from the set
bool contains( Q const& key, Less pred )
{
CDS_UNUSED( pred );
- return base_class::contains( key, typename maker::template predicate_wrapper<Less>::type() );
+ return base_class::contains( key, typename maker::template predicate_wrapper<Less>::type());
}
//@cond
template <typename Q, typename Less>
bool extract_with_( typename guarded_ptr::native_guard& guard, Q const& key, Less pred )
{
CDS_UNUSED( pred );
- return base_class::extract_with_( guard, key, typename maker::template predicate_wrapper<Less>::type() );
+ return base_class::extract_with_( guard, key, typename maker::template predicate_wrapper<Less>::type());
}
template <typename Q, typename Less>
bool get_with_( typename guarded_ptr::native_guard& guard, Q const& key, Less pred )
{
CDS_UNUSED( pred );
- return base_class::get_with_( guard, key, typename maker::template predicate_wrapper<Less>::type() );
+ return base_class::get_with_( guard, key, typename maker::template predicate_wrapper<Less>::type());
}
//@endcond
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