/*
This file is a part of libcds - Concurrent Data Structures library
- (C) Copyright Maxim Khizhinsky (libcds.dev@gmail.com) 2006-2016
+ (C) Copyright Maxim Khizhinsky (libcds.dev@gmail.com) 2006-2017
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:
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.
+ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef CDSLIB_INTRUSIVE_SKIP_LIST_NOGC_H
/// Access to element of next pointer array
atomic_ptr& next( unsigned int nLevel )
{
- assert( nLevel < height() );
- assert( nLevel == 0 || (nLevel > 0 && m_arrNext != nullptr) );
+ assert( nLevel < height());
+ assert( nLevel == 0 || (nLevel > 0 && m_arrNext != nullptr));
return nLevel ? m_arrNext[ nLevel - 1] : m_pNext;
}
/// Access to element of next pointer array (const version)
atomic_ptr const& next( unsigned int nLevel ) const
{
- assert( nLevel < height() );
+ assert( nLevel < height());
assert( nLevel == 0 || nLevel > 0 && m_arrNext != nullptr );
return nLevel ? m_arrNext[ nLevel - 1] : m_pNext;
public: // for internal use only!!!
iterator( node_type& refHead )
- : m_pNode( refHead[0].load( atomics::memory_order_relaxed ) )
+ : m_pNode( refHead[0].load( atomics::memory_order_relaxed ))
{}
static iterator from_node( node_type * pNode )
protected:
head_node m_Head; ///< head tower (max height)
- item_counter m_ItemCounter; ///< item counter
random_level_generator m_RandomLevelGen; ///< random level generator instance
atomics::atomic<unsigned int> m_nHeight; ///< estimated high level
+ item_counter m_ItemCounter; ///< item counter
mutable stat m_Stat; ///< internal statistics
protected:
{
node_type * p = pos.pSucc[0];
pNode->next( 0 ).store( pos.pSucc[ 0 ], memory_model::memory_order_release );
- if ( !pos.pPrev[0]->next(0).compare_exchange_strong( p, pNode, memory_model::memory_order_release, memory_model::memory_order_relaxed ) ) {
+ if ( !pos.pPrev[0]->next(0).compare_exchange_strong( p, pNode, memory_model::memory_order_release, memory_model::memory_order_relaxed )) {
return false;
}
f( val );
if ( pNode->next( nLevel ).compare_exchange_strong( p, q, memory_model::memory_order_release, memory_model::memory_order_relaxed )) {
p = q;
- if ( pos.pPrev[nLevel]->next(nLevel).compare_exchange_strong( q, pNode, memory_model::memory_order_release, memory_model::memory_order_relaxed ) )
+ if ( pos.pPrev[nLevel]->next(nLevel).compare_exchange_strong( q, pNode, memory_model::memory_order_release, memory_model::memory_order_relaxed ))
break;
}
void increase_height( unsigned int nHeight )
{
unsigned int nCur = m_nHeight.load( memory_model::memory_order_relaxed );
- while ( nCur < nHeight && !m_nHeight.compare_exchange_weak( nCur, nHeight, memory_model::memory_order_acquire, atomics::memory_order_relaxed ) );
+ while ( nCur < nHeight && !m_nHeight.compare_exchange_weak( nCur, nHeight, memory_model::memory_order_acquire, atomics::memory_order_relaxed ));
}
//@endcond
/// Returns a forward iterator addressing the first element in a set
iterator begin()
{
- return iterator( *m_Head.head() );
+ return iterator( *m_Head.head());
}
/// Returns a forward const iterator addressing the first element in a set
const_iterator begin() const
{
- return const_iterator( *m_Head.head() );
+ return const_iterator( *m_Head.head());
}
/// Returns a forward const iterator addressing the first element in a set
const_iterator cbegin() const
{
- return const_iterator( *m_Head.head() );
+ return const_iterator( *m_Head.head());
}
/// Returns a forward iterator that addresses the location succeeding the last element in a set.