Added internal statistics for LazyList

[libcds.git] / cds / container / impl / lazy_list.h

diff --git a/cds/container/impl/lazy_list.h b/cds/container/impl/lazy_list.h
index f0d4bbf1daa4aa5b44907e2a7bd0b7aee432198e..6b7efb574bf551a37648d46c7f6fdb84cc4e6e3b 100644 (file)
--- a/cds/container/impl/lazy_list.h
+++ b/cds/container/impl/lazy_list.h
@@ -25,7 +25,7 @@
     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_CONTAINER_IMPL_LAZY_LIST_H
@@ -140,6 +140,7 @@ namespace cds { namespace container {
         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
+        typedef typename base_class::stat         stat;           ///< Internal statistics
 
         static CDS_CONSTEXPR const size_t c_nHazardPtrCount = base_class::c_nHazardPtrCount; ///< Count of hazard pointer required for the algorithm
 
@@ -356,6 +357,13 @@ namespace cds { namespace container {
         LazyList()
         {}
 
+        //@cond
+        template <typename Stat, typename = std::enable_if<std::is_same<stat, lazy_list::wrapped_stat<Stat>>::value >>
+        explicit LazyList( Stat& st )
+            : base_class( st )
+        {}
+        //@endcond
+
         /// Destructor clears the list
         ~LazyList()
         {
@@ -746,6 +754,12 @@ namespace cds { namespace container {
             return base_class::size();
         }
 
+        /// Returns const reference to internal statistics
+        stat const& statistics() const
+        {
+            return base_class::statistics();
+        }
+
         /// Clears the list
         void clear()
         {