fixed adding file problem

[c11concurrency-benchmarks.git] / gdax-orderbook-hpp / demo / dependencies / libcds-2.3.2 / cds / intrusive / details / raw_ptr_disposer.h

diff --git a/gdax-orderbook-hpp/demo/dependencies/libcds-2.3.2/cds/intrusive/details/raw_ptr_disposer.h b/gdax-orderbook-hpp/demo/dependencies/libcds-2.3.2/cds/intrusive/details/raw_ptr_disposer.h
new file mode 100644 (file)
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--- /dev/null
+++ b/gdax-orderbook-hpp/demo/dependencies/libcds-2.3.2/cds/intrusive/details/raw_ptr_disposer.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 CDSLIB_INTRUSIVE_DETAILS_RAW_PTR_DISPOSER_H
+#define CDSLIB_INTRUSIVE_DETAILS_RAW_PTR_DISPOSER_H
+
+#include <cds/details/defs.h>
+
+//@cond
+namespace cds { namespace intrusive { namespace details {
+
+    template <typename RCU, typename NodeType, typename Disposer>
+    struct raw_ptr_disposer
+    {
+        typedef RCU gc;
+        typedef NodeType node_type;
+        typedef Disposer disposer;
+
+        node_type *     pReclaimedChain;
+
+        raw_ptr_disposer()
+            : pReclaimedChain( nullptr )
+        {}
+
+        template <typename Position>
+        explicit raw_ptr_disposer( Position& pos )
+            : pReclaimedChain( pos.pDelChain )
+        {
+            pos.pDelChain = nullptr;
+        }
+
+        raw_ptr_disposer( raw_ptr_disposer&& d )
+            : pReclaimedChain( d.pReclaimedChain )
+        {
+            d.pReclaimedChain = nullptr;
+        }
+
+        raw_ptr_disposer( raw_ptr_disposer const& ) = delete;
+
+        ~raw_ptr_disposer()
+        {
+            apply();
+        }
+
+        raw_ptr_disposer& combine(raw_ptr_disposer&& d)
+        {
+            if ( pReclaimedChain == nullptr )
+                pReclaimedChain = d.pReclaimedChain;
+            else if ( d.pReclaimedChain ) {
+                // union reclaimed chains
+                node_type * pEnd = d.pReclaimedChain;
+                for ( ; pEnd->m_pDelChain; pEnd = pEnd->m_pDelChain );
+                pEnd->m_pDelChain = pReclaimedChain;
+                pReclaimedChain = d.pReclaimedChain;
+            }
+            d.pReclaimedChain = nullptr;
+            return *this;
+        }
+
+        raw_ptr_disposer& operator=(raw_ptr_disposer const& d) = delete;
+        raw_ptr_disposer& operator=( raw_ptr_disposer&& d ) = delete;
+
+        void apply()
+        {
+            if ( pReclaimedChain ) {
+                assert( !gc::is_locked());
+                disposer()( pReclaimedChain );
+                pReclaimedChain = nullptr;
+            }
+        }
+    };
+
+}}} // namespace cds::intrusive::details
+//@endcond
+
+#endif // #ifndef CDSLIB_INTRUSIVE_DETAILS_RAW_PTR_DISPOSER_H