From 8286ac511144e4f17d34eac9affb97e50646344a Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C3=B6rg=20Frings-F=C3=BCrst?= <debian@jff-webhosting.net>
Date: Wed, 23 Jul 2014 15:25:44 +0200
Subject: Imported Upstream version 4.0.0

---
 .../boost/smart_ptr/detail/spinlock_pool.hpp       | 91 ++++++++++++++++++++++
 1 file changed, 91 insertions(+)
 create mode 100644 libcutl/cutl/details/boost/smart_ptr/detail/spinlock_pool.hpp

(limited to 'libcutl/cutl/details/boost/smart_ptr/detail/spinlock_pool.hpp')

diff --git a/libcutl/cutl/details/boost/smart_ptr/detail/spinlock_pool.hpp b/libcutl/cutl/details/boost/smart_ptr/detail/spinlock_pool.hpp
new file mode 100644
index 0000000..8ae09e3
--- /dev/null
+++ b/libcutl/cutl/details/boost/smart_ptr/detail/spinlock_pool.hpp
@@ -0,0 +1,91 @@
+#ifndef BOOST_SMART_PTR_DETAIL_SPINLOCK_POOL_HPP_INCLUDED
+#define BOOST_SMART_PTR_DETAIL_SPINLOCK_POOL_HPP_INCLUDED
+
+// MS compatible compilers support #pragma once
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1020)
+# pragma once
+#endif
+
+//
+//  boost/detail/spinlock_pool.hpp
+//
+//  Copyright (c) 2008 Peter Dimov
+//
+//  Distributed under the Boost Software License, Version 1.0.
+//  See accompanying file LICENSE_1_0.txt or copy at
+//  http://www.boost.org/LICENSE_1_0.txt)
+//
+//  spinlock_pool<0> is reserved for atomic<>, when/if it arrives
+//  spinlock_pool<1> is reserved for shared_ptr reference counts
+//  spinlock_pool<2> is reserved for shared_ptr atomic access
+//
+
+#include <cutl/details/boost/config.hpp>
+#include <cutl/details/boost/smart_ptr/detail/spinlock.hpp>
+#include <cstddef>
+
+namespace cutl_details_boost
+{
+
+namespace detail
+{
+
+template< int I > class spinlock_pool
+{
+private:
+
+    static spinlock pool_[ 41 ];
+
+public:
+
+    static spinlock & spinlock_for( void const * pv )
+    {
+#if defined(__VMS) && __INITIAL_POINTER_SIZE == 64  
+        std::size_t i = reinterpret_cast< unsigned long long >( pv ) % 41;
+#else  
+        std::size_t i = reinterpret_cast< std::size_t >( pv ) % 41;
+#endif  
+        return pool_[ i ];
+    }
+
+    class scoped_lock
+    {
+    private:
+
+        spinlock & sp_;
+
+        scoped_lock( scoped_lock const & );
+        scoped_lock & operator=( scoped_lock const & );
+
+    public:
+
+        explicit scoped_lock( void const * pv ): sp_( spinlock_for( pv ) )
+        {
+            sp_.lock();
+        }
+
+        ~scoped_lock()
+        {
+            sp_.unlock();
+        }
+    };
+};
+
+template< int I > spinlock spinlock_pool< I >::pool_[ 41 ] =
+{
+    BOOST_DETAIL_SPINLOCK_INIT, BOOST_DETAIL_SPINLOCK_INIT, BOOST_DETAIL_SPINLOCK_INIT, BOOST_DETAIL_SPINLOCK_INIT, BOOST_DETAIL_SPINLOCK_INIT, 
+    BOOST_DETAIL_SPINLOCK_INIT, BOOST_DETAIL_SPINLOCK_INIT, BOOST_DETAIL_SPINLOCK_INIT, BOOST_DETAIL_SPINLOCK_INIT, BOOST_DETAIL_SPINLOCK_INIT, 
+    BOOST_DETAIL_SPINLOCK_INIT, BOOST_DETAIL_SPINLOCK_INIT, BOOST_DETAIL_SPINLOCK_INIT, BOOST_DETAIL_SPINLOCK_INIT, BOOST_DETAIL_SPINLOCK_INIT, 
+    BOOST_DETAIL_SPINLOCK_INIT, BOOST_DETAIL_SPINLOCK_INIT, BOOST_DETAIL_SPINLOCK_INIT, BOOST_DETAIL_SPINLOCK_INIT, BOOST_DETAIL_SPINLOCK_INIT, 
+    BOOST_DETAIL_SPINLOCK_INIT, BOOST_DETAIL_SPINLOCK_INIT, BOOST_DETAIL_SPINLOCK_INIT, BOOST_DETAIL_SPINLOCK_INIT, BOOST_DETAIL_SPINLOCK_INIT, 
+    BOOST_DETAIL_SPINLOCK_INIT, BOOST_DETAIL_SPINLOCK_INIT, BOOST_DETAIL_SPINLOCK_INIT, BOOST_DETAIL_SPINLOCK_INIT, BOOST_DETAIL_SPINLOCK_INIT, 
+    BOOST_DETAIL_SPINLOCK_INIT, BOOST_DETAIL_SPINLOCK_INIT, BOOST_DETAIL_SPINLOCK_INIT, BOOST_DETAIL_SPINLOCK_INIT, BOOST_DETAIL_SPINLOCK_INIT, 
+    BOOST_DETAIL_SPINLOCK_INIT, BOOST_DETAIL_SPINLOCK_INIT, BOOST_DETAIL_SPINLOCK_INIT, BOOST_DETAIL_SPINLOCK_INIT, BOOST_DETAIL_SPINLOCK_INIT, 
+    BOOST_DETAIL_SPINLOCK_INIT
+};
+
+} // namespace detail
+} // namespace cutl_details_boost
+
+#endif // #ifndef BOOST_SMART_PTR_DETAIL_SPINLOCK_POOL_HPP_INCLUDED
-- 
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