Fixed split-list inc_item_count()

diff --git a/cds/intrusive/split_list.h b/cds/intrusive/split_list.h
index 3f154110cd6a6012a827d26bb210ec438520ca3a..0be790d30c339525ee8fe3d00b6ef6a2810b5af9 100644 (file)
--- a/cds/intrusive/split_list.h
+++ b/cds/intrusive/split_list.h
@@ -478,11 +478,12 @@ namespace cds { namespace intrusive {
                 if ( nMaxCount < max_item_count( nBucketCount, nLoadFactor ))
                     return; // someone already have updated m_nBucketCountLog2, so stop here
 
-                const size_t nNewMaxCount = (nBucketCount < m_Buckets.capacity()) ? max_item_count( nBucketCount << 1, nLoadFactor )
-                                                                                  : std::numeric_limits<size_t>::max();
-                m_nMaxItemCount.compare_exchange_strong( nMaxCount, nNewMaxCount, memory_model::memory_order_relaxed, atomics::memory_order_relaxed );
+                m_nMaxItemCount.compare_exchange_strong( nMaxCount, max_item_count( nBucketCount << 1, nLoadFactor ), 
+                                                         memory_model::memory_order_relaxed, atomics::memory_order_relaxed );
                 m_nBucketCountLog2.compare_exchange_strong( sz, sz + 1, memory_model::memory_order_relaxed, atomics::memory_order_relaxed );
             }
+            else
+                m_nMaxItemCount.store( std::numeric_limits<size_t>::max(), memory_model::memory_order_relaxed );
         }
 
         template <typename Q, typename Compare, typename Func>

diff --git a/cds/intrusive/split_list_nogc.h b/cds/intrusive/split_list_nogc.h
index cdf9c5e021c522de2974c489cf2ef32e9cd73ebc..71d258c07e50176e761a3929473124e1a7ec9385 100644 (file)
--- a/cds/intrusive/split_list_nogc.h
+++ b/cds/intrusive/split_list_nogc.h
@@ -275,12 +275,12 @@ namespace cds { namespace intrusive {
                 if ( nMaxCount < max_item_count( nBucketCount, nLoadFactor ))
                     return; // someone already have updated m_nBucketCountLog2, so stop here
 
-                const size_t nNewMaxCount = (nBucketCount < m_Buckets.capacity()) ? max_item_count( nBucketCount << 1, nLoadFactor )
-                                                                                  : std::numeric_limits<size_t>::max();
-                m_nMaxItemCount.compare_exchange_strong( nMaxCount, nNewMaxCount, memory_model::memory_order_relaxed,
-                    memory_model::memory_order_relaxed );
-                m_nBucketCountLog2.compare_exchange_strong( sz, sz + 1, memory_model::memory_order_relaxed, memory_model::memory_order_relaxed );
+                m_nMaxItemCount.compare_exchange_strong( nMaxCount, max_item_count( nBucketCount << 1, nLoadFactor ), 
+                                                         memory_model::memory_order_relaxed, atomics::memory_order_relaxed );
+                m_nBucketCountLog2.compare_exchange_strong( sz, sz + 1, memory_model::memory_order_relaxed, atomics::memory_order_relaxed );
             }
+            else
+                m_nMaxItemCount.store( std::numeric_limits<size_t>::max(), memory_model::memory_order_relaxed );
         }
 
         //@endcond

diff --git a/cds/intrusive/split_list_rcu.h b/cds/intrusive/split_list_rcu.h
index 7774dfda5f57f9c5e4b2e8916a43e9ec1f1d7079..3ba404927bdfff5b99850752ebfbed13e295c2e7 100644 (file)
--- a/cds/intrusive/split_list_rcu.h
+++ b/cds/intrusive/split_list_rcu.h
@@ -372,12 +372,12 @@ namespace cds { namespace intrusive {
                 if ( nMaxCount < max_item_count( nBucketCount, nLoadFactor ))
                     return; // someone already have updated m_nBucketCountLog2, so stop here
 
-                const size_t nNewMaxCount = (nBucketCount < m_Buckets.capacity()) ? max_item_count( nBucketCount << 1, nLoadFactor )
-                                                                                  : std::numeric_limits<size_t>::max();
-                m_nMaxItemCount.compare_exchange_strong( nMaxCount, nNewMaxCount, memory_model::memory_order_relaxed,
-                    memory_model::memory_order_relaxed );
-                m_nBucketCountLog2.compare_exchange_strong( sz, sz + 1, memory_model::memory_order_relaxed, memory_model::memory_order_relaxed );
+                m_nMaxItemCount.compare_exchange_strong( nMaxCount, max_item_count( nBucketCount << 1, nLoadFactor ), 
+                                                         memory_model::memory_order_relaxed, atomics::memory_order_relaxed );
+                m_nBucketCountLog2.compare_exchange_strong( sz, sz + 1, memory_model::memory_order_relaxed, atomics::memory_order_relaxed );
             }
+            else
+                m_nMaxItemCount.store( std::numeric_limits<size_t>::max(), memory_model::memory_order_relaxed );
         }
 
         template <typename Q, typename Compare, typename Func>