SkipList: added a statistical measure

[libcds.git] / cds / intrusive / impl / skip_list.h

diff --git a/cds/intrusive/impl/skip_list.h b/cds/intrusive/impl/skip_list.h
index db291380ded5bc49bb888aba59dd936aeb590e3d..c3b38f0e47682eba17dc1825f27784d0dbb925c4 100644 (file)
--- a/cds/intrusive/impl/skip_list.h
+++ b/cds/intrusive/impl/skip_list.h
@@ -1453,8 +1453,9 @@ namespace cds { namespace intrusive {
                     m_Stat.onFastErase();
                     return true;
                 }
                     m_Stat.onFastErase();
                     return true;
                 }

-                else if ( p.bits() ) {
+                else if ( p.bits()) {

                     // Another thread is deleting pDel right now
                     // Another thread is deleting pDel right now

+                    m_Stat.onEraseContention();

                     return false;
                 }
                 m_Stat.onEraseRetry();
                     return false;
                 }
                 m_Stat.onEraseRetry();