diff options
Diffstat (limited to 'contrib/src/boost/smart_ptr/detail/spinlock_pool.hpp')
-rw-r--r-- | contrib/src/boost/smart_ptr/detail/spinlock_pool.hpp | 182 |
1 files changed, 91 insertions, 91 deletions
diff --git a/contrib/src/boost/smart_ptr/detail/spinlock_pool.hpp b/contrib/src/boost/smart_ptr/detail/spinlock_pool.hpp index 39cf180..28fe03e 100644 --- a/contrib/src/boost/smart_ptr/detail/spinlock_pool.hpp +++ b/contrib/src/boost/smart_ptr/detail/spinlock_pool.hpp @@ -1,91 +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 <boost/config.hpp> -#include <boost/smart_ptr/detail/spinlock.hpp> -#include <cstddef> - -namespace boost -{ - -namespace detail -{ - -template< int M > 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 M > spinlock spinlock_pool< M >::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 boost - -#endif // #ifndef BOOST_SMART_PTR_DETAIL_SPINLOCK_POOL_HPP_INCLUDED +#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 <boost/config.hpp>
+#include <boost/smart_ptr/detail/spinlock.hpp>
+#include <cstddef>
+
+namespace boost
+{
+
+namespace detail
+{
+
+template< int M > 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 M > spinlock spinlock_pool< M >::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 boost
+
+#endif // #ifndef BOOST_SMART_PTR_DETAIL_SPINLOCK_POOL_HPP_INCLUDED
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