fixed adding file problem
[c11concurrency-benchmarks.git] / gdax-orderbook-hpp / demo / dependencies / libcds-2.3.2 / cds / sync / injecting_monitor.h
diff --git a/gdax-orderbook-hpp/demo/dependencies/libcds-2.3.2/cds/sync/injecting_monitor.h b/gdax-orderbook-hpp/demo/dependencies/libcds-2.3.2/cds/sync/injecting_monitor.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_SYNC_INJECTING_MONITOR_H
+#define CDSLIB_SYNC_INJECTING_MONITOR_H
+
+#include <cds/sync/monitor.h>
+
+namespace cds { namespace sync {
+
+    //@cond
+    struct injecting_monitor_traits {
+        struct empty_stat
+        {};
+    };
+    //@endcond
+
+    /// @ref cds_sync_monitor "Monitor" that injects the lock into each node
+    /**
+        This simple monitor injects the lock object of type \p Lock into each node.
+        The monitor is designed for user-space locking primitives like \ref sync::spin_lock "spin-lock".
+
+        Template arguments:
+        - Lock - lock type like \p std::mutex or \p cds::sync::spin
+    */
+    template <typename Lock>
+    class injecting_monitor
+    {
+    public:
+        typedef Lock lock_type; ///< Lock type
+
+        /// Node injection
+        struct node_injection {
+            mutable lock_type m_Lock;   ///< Node spin-lock
+
+            //@cond
+            constexpr bool check_free() const
+            {
+                return true;
+            }
+            //@endcond
+        };
+
+        /// Makes exclusive access to node \p p
+        template <typename Node>
+        void lock( Node const& p ) const
+        {
+            p.m_SyncMonitorInjection.m_Lock.lock();
+        }
+
+        /// Unlocks the node \p p
+        template <typename Node>
+        void unlock( Node const& p ) const
+        {
+            p.m_SyncMonitorInjection.m_Lock.unlock();
+        }
+
+        //@cond
+        injecting_monitor_traits::empty_stat statistics() const
+        {
+            return injecting_monitor_traits::empty_stat();
+        }
+        //@endcond
+
+        /// Scoped lock
+        template <typename Node>
+        using scoped_lock = monitor_scoped_lock< injecting_monitor, Node >;
+    };
+}} // namespace cds::sync
+
+#endif // #ifndef CDSLIB_SYNC_INJECTING_MONITOR_H