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 28fe03e..39cf180 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 |