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-rw-r--r--src/third_party/boost-1.56.0/boost/smart_ptr/detail/spinlock_std_atomic.hpp83
1 files changed, 0 insertions, 83 deletions
diff --git a/src/third_party/boost-1.56.0/boost/smart_ptr/detail/spinlock_std_atomic.hpp b/src/third_party/boost-1.56.0/boost/smart_ptr/detail/spinlock_std_atomic.hpp
deleted file mode 100644
index a61c1cd96d1..00000000000
--- a/src/third_party/boost-1.56.0/boost/smart_ptr/detail/spinlock_std_atomic.hpp
+++ /dev/null
@@ -1,83 +0,0 @@
-#ifndef BOOST_SMART_PTR_DETAIL_SPINLOCK_STD_ATOMIC_HPP_INCLUDED
-#define BOOST_SMART_PTR_DETAIL_SPINLOCK_STD_ATOMIC_HPP_INCLUDED
-
-// MS compatible compilers support #pragma once
-
-#if defined(_MSC_VER) && (_MSC_VER >= 1020)
-# pragma once
-#endif
-
-//
-// Copyright (c) 2014 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/smart_ptr/detail/yield_k.hpp>
-#include <atomic>
-
-namespace boost
-{
-
-namespace detail
-{
-
-class spinlock
-{
-public:
-
- std::atomic_flag v_;
-
-public:
-
- bool try_lock()
- {
- return !v_.test_and_set( std::memory_order_acquire );
- }
-
- void lock()
- {
- for( unsigned k = 0; !try_lock(); ++k )
- {
- boost::detail::yield( k );
- }
- }
-
- void unlock()
- {
- v_ .clear( std::memory_order_release );
- }
-
-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 { ATOMIC_FLAG_INIT }
-
-#endif // #ifndef BOOST_SMART_PTR_DETAIL_SPINLOCK_STD_ATOMIC_HPP_INCLUDED