diff options
Diffstat (limited to 'contrib/src/boost/smart_ptr/detail/spinlock_nt.hpp')
-rw-r--r-- | contrib/src/boost/smart_ptr/detail/spinlock_nt.hpp | 178 |
1 files changed, 89 insertions, 89 deletions
diff --git a/contrib/src/boost/smart_ptr/detail/spinlock_nt.hpp b/contrib/src/boost/smart_ptr/detail/spinlock_nt.hpp index 920d67e..1f399d0 100644 --- a/contrib/src/boost/smart_ptr/detail/spinlock_nt.hpp +++ b/contrib/src/boost/smart_ptr/detail/spinlock_nt.hpp @@ -1,89 +1,89 @@ -#ifndef BOOST_SMART_PTR_DETAIL_SPINLOCK_NT_HPP_INCLUDED
-#define BOOST_SMART_PTR_DETAIL_SPINLOCK_NT_HPP_INCLUDED
-
-// MS compatible compilers support #pragma once
-
-#if defined(_MSC_VER) && (_MSC_VER >= 1020)
-# pragma once
-#endif
-
-//
-// 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)
-//
-
-#include <boost/assert.hpp>
-
-namespace boost
-{
-
-namespace detail
-{
-
-class spinlock
-{
-public:
-
- bool locked_;
-
-public:
-
- inline bool try_lock()
- {
- if( locked_ )
- {
- return false;
- }
- else
- {
- locked_ = true;
- return true;
- }
- }
-
- inline void lock()
- {
- BOOST_ASSERT( !locked_ );
- locked_ = true;
- }
-
- inline void unlock()
- {
- BOOST_ASSERT( locked_ );
- locked_ = false;
- }
-
-public:
-
- class scoped_lock
- {
- private:
-
- spinlock & sp_;
-
- scoped_lock( scoped_lock const & );
- scoped_lock & operator=( scoped_lock const & );
-
- public:
-
- explicit scoped_lock( spinlock & sp ): sp_( sp )
- {
- sp.lock();
- }
-
- ~scoped_lock()
- {
- sp_.unlock();
- }
- };
-};
-
-} // namespace detail
-} // namespace boost
-
-#define BOOST_DETAIL_SPINLOCK_INIT { false }
-
-#endif // #ifndef BOOST_SMART_PTR_DETAIL_SPINLOCK_NT_HPP_INCLUDED
+#ifndef BOOST_SMART_PTR_DETAIL_SPINLOCK_NT_HPP_INCLUDED +#define BOOST_SMART_PTR_DETAIL_SPINLOCK_NT_HPP_INCLUDED + +// MS compatible compilers support #pragma once + +#if defined(_MSC_VER) && (_MSC_VER >= 1020) +# pragma once +#endif + +// +// 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) +// + +#include <boost/assert.hpp> + +namespace boost +{ + +namespace detail +{ + +class spinlock +{ +public: + + bool locked_; + +public: + + inline bool try_lock() + { + if( locked_ ) + { + return false; + } + else + { + locked_ = true; + return true; + } + } + + inline void lock() + { + BOOST_ASSERT( !locked_ ); + locked_ = true; + } + + inline void unlock() + { + BOOST_ASSERT( locked_ ); + locked_ = false; + } + +public: + + class scoped_lock + { + private: + + spinlock & sp_; + + scoped_lock( scoped_lock const & ); + scoped_lock & operator=( scoped_lock const & ); + + public: + + explicit scoped_lock( spinlock & sp ): sp_( sp ) + { + sp.lock(); + } + + ~scoped_lock() + { + sp_.unlock(); + } + }; +}; + +} // namespace detail +} // namespace boost + +#define BOOST_DETAIL_SPINLOCK_INIT { false } + +#endif // #ifndef BOOST_SMART_PTR_DETAIL_SPINLOCK_NT_HPP_INCLUDED |