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| author | Remko Tronçon <git@el-tramo.be> | 2010-03-28 15:46:49 (GMT) |
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| committer | Remko Tronçon <git@el-tramo.be> | 2010-03-28 15:46:49 (GMT) |
| commit | f53a1ef582494458301b97bf6e546be52d7ff7e8 (patch) | |
| tree | 7571b5cbcbd8a8f1dd1c966c9045b6cb69f0e295 /3rdParty/Boost/src/boost/smart_ptr/detail/spinlock_pt.hpp | |
| parent | 638345680d72ca6acaf123f2c8c1c391f696e371 (diff) | |
| download | swift-f53a1ef582494458301b97bf6e546be52d7ff7e8.zip swift-f53a1ef582494458301b97bf6e546be52d7ff7e8.tar.bz2 | |
Moving submodule contents back.
Diffstat (limited to '3rdParty/Boost/src/boost/smart_ptr/detail/spinlock_pt.hpp')
| -rw-r--r-- | 3rdParty/Boost/src/boost/smart_ptr/detail/spinlock_pt.hpp | 79 |
1 files changed, 79 insertions, 0 deletions
diff --git a/3rdParty/Boost/src/boost/smart_ptr/detail/spinlock_pt.hpp b/3rdParty/Boost/src/boost/smart_ptr/detail/spinlock_pt.hpp new file mode 100644 index 0000000..f9cabfc --- /dev/null +++ b/3rdParty/Boost/src/boost/smart_ptr/detail/spinlock_pt.hpp @@ -0,0 +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 |