fixed adding file problem
[c11concurrency-benchmarks.git] / gdax-orderbook-hpp / demo / dependencies / libcds-2.3.2 / test / stress / framework / ellen_bintree_update_desc_pool.h
diff --git a/gdax-orderbook-hpp/demo/dependencies/libcds-2.3.2/test/stress/framework/ellen_bintree_update_desc_pool.h b/gdax-orderbook-hpp/demo/dependencies/libcds-2.3.2/test/stress/framework/ellen_bintree_update_desc_pool.h
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+/*
+    This file is a part of libcds - Concurrent Data Structures library
+
+    (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:
+
+    * 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 CDSUNIT_ELLEN_BINTREE_UPDATE_DESC_POOL_H
+#define CDSUNIT_ELLEN_BINTREE_UPDATE_DESC_POOL_H
+
+#include <cds/urcu/general_instant.h>
+#include <cds/container/details/ellen_bintree_base.h>
+#include <cds/memory/vyukov_queue_pool.h>
+#include <cds/memory/pool_allocator.h>
+
+namespace ellen_bintree_pool {
+    typedef cds::container::ellen_bintree::node_types< cds::urcu::gc< cds::urcu::general_instant<> >, int > node_types; // fake
+    typedef node_types::leaf_node_type     leaf_node;
+    typedef node_types::internal_node_type internal_node;
+    typedef node_types::update_desc_type   update_desc;
+
+    // Update descriptor pool based on Vyukov's queue
+    struct update_desc_pool_traits : public cds::memory::vyukov_queue_pool_traits
+    {
+        typedef cds::opt::v::initialized_static_buffer< cds::any_type, 4096 > buffer;
+    };
+
+    typedef cds::memory::vyukov_queue_pool< update_desc, update_desc_pool_traits > update_desc_pool_type;
+    extern update_desc_pool_type s_UpdateDescPool;
+
+    struct update_desc_pool_accessor {
+        typedef update_desc_pool_type::value_type     value_type;
+
+        update_desc_pool_type& operator()() const
+        {
+            return s_UpdateDescPool;
+        }
+    };
+
+    // Update descriptor pool based on bounded Vyukov's queue
+    struct bounded_update_desc_pool_traits : public cds::memory::vyukov_queue_pool_traits
+    {
+        typedef cds::opt::v::initialized_static_buffer< cds::any_type, 4096 > buffer;
+    };
+    typedef cds::memory::bounded_vyukov_queue_pool< update_desc, bounded_update_desc_pool_traits > bounded_update_desc_pool_type;
+    extern bounded_update_desc_pool_type s_BoundedUpdateDescPool;
+
+    struct bounded_update_desc_pool_accessor {
+        typedef bounded_update_desc_pool_type::value_type     value_type;
+
+        bounded_update_desc_pool_type& operator()() const
+        {
+            return s_BoundedUpdateDescPool;
+        }
+    };
+
+
+    // Internal node allocator
+    struct internal_node_counter
+    {
+        static cds::atomicity::event_counter   m_nAlloc;
+        static cds::atomicity::event_counter   m_nFree;
+
+        static void onAlloc()
+        {
+            ++m_nAlloc;
+        }
+        static void onFree()
+        {
+            ++m_nFree;
+        }
+
+        static void reset()
+        {
+            m_nAlloc.reset();
+            m_nFree.reset();
+        }
+    };
+
+    template <typename T, typename Alloc = CDS_DEFAULT_ALLOCATOR>
+    class internal_node_allocator
+        : public Alloc::template rebind< T >::other
+        , internal_node_counter
+    {
+        typedef typename Alloc::template rebind< T >::other  base_class;
+    public:
+        template <typename Other>
+        struct rebind {
+            typedef internal_node_allocator< Other, Alloc > other;
+        };
+
+        T * allocate( size_t n, void const * pHint = nullptr )
+        {
+            internal_node_counter::onAlloc();
+            T * p = base_class::allocate( n, pHint );
+            return p;
+        }
+
+        void deallocate( T * p, size_t n )
+        {
+            internal_node_counter::onFree();
+            return base_class::deallocate( p, n );
+        }
+    };
+
+} // namespace ellen_bintree_pool
+
+#endif // #ifndef CDSUNIT_ELLEN_BINTREE_UPDATE_DESC_POOL_H