diff options
Diffstat (limited to 'contrib/src/boost/smart_ptr/detail/spinlock_pt.hpp')
-rw-r--r-- | contrib/src/boost/smart_ptr/detail/spinlock_pt.hpp | 158 |
1 files changed, 79 insertions, 79 deletions
diff --git a/contrib/src/boost/smart_ptr/detail/spinlock_pt.hpp b/contrib/src/boost/smart_ptr/detail/spinlock_pt.hpp index f55e61f..f9cabfc 100644 --- a/contrib/src/boost/smart_ptr/detail/spinlock_pt.hpp +++ b/contrib/src/boost/smart_ptr/detail/spinlock_pt.hpp @@ -1,79 +1,79 @@ -#ifndef BOOST_SMART_PTR_DETAIL_SPINLOCK_PT_HPP_INCLUDED
-#define BOOST_SMART_PTR_DETAIL_SPINLOCK_PT_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 <pthread.h>
-
-namespace boost
-{
-
-namespace detail
-{
-
-class spinlock
-{
-public:
-
- pthread_mutex_t v_;
-
-public:
-
- bool try_lock()
- {
- return pthread_mutex_trylock( &v_ ) == 0;
- }
-
- void lock()
- {
- pthread_mutex_lock( &v_ );
- }
-
- void unlock()
- {
- pthread_mutex_unlock( &v_ );
- }
-
-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 { PTHREAD_MUTEX_INITIALIZER }
-
-#endif // #ifndef BOOST_SMART_PTR_DETAIL_SPINLOCK_PT_HPP_INCLUDED
+#ifndef BOOST_SMART_PTR_DETAIL_SPINLOCK_PT_HPP_INCLUDED +#define BOOST_SMART_PTR_DETAIL_SPINLOCK_PT_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 <pthread.h> + +namespace boost +{ + +namespace detail +{ + +class spinlock +{ +public: + + pthread_mutex_t v_; + +public: + + bool try_lock() + { + return pthread_mutex_trylock( &v_ ) == 0; + } + + void lock() + { + pthread_mutex_lock( &v_ ); + } + + void unlock() + { + pthread_mutex_unlock( &v_ ); + } + +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 { PTHREAD_MUTEX_INITIALIZER } + +#endif // #ifndef BOOST_SMART_PTR_DETAIL_SPINLOCK_PT_HPP_INCLUDED |