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-rw-r--r--contrib/src/boost/smart_ptr/detail/spinlock_w32.hpp226
1 files changed, 113 insertions, 113 deletions
diff --git a/contrib/src/boost/smart_ptr/detail/spinlock_w32.hpp b/contrib/src/boost/smart_ptr/detail/spinlock_w32.hpp
index 71243ab..d34e4fc 100644
--- a/contrib/src/boost/smart_ptr/detail/spinlock_w32.hpp
+++ b/contrib/src/boost/smart_ptr/detail/spinlock_w32.hpp
@@ -1,113 +1,113 @@
-#ifndef BOOST_SMART_PTR_DETAIL_SPINLOCK_W32_HPP_INCLUDED
-#define BOOST_SMART_PTR_DETAIL_SPINLOCK_W32_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/smart_ptr/detail/sp_interlocked.hpp>
-#include <boost/smart_ptr/detail/yield_k.hpp>
-
-// BOOST_COMPILER_FENCE
-
-#if defined(__INTEL_COMPILER)
-
-#define BOOST_COMPILER_FENCE __memory_barrier();
-
-#elif defined( _MSC_VER ) && _MSC_VER >= 1310
-
-extern "C" void _ReadWriteBarrier();
-#pragma intrinsic( _ReadWriteBarrier )
-
-#define BOOST_COMPILER_FENCE _ReadWriteBarrier();
-
-#elif defined(__GNUC__)
-
-#define BOOST_COMPILER_FENCE __asm__ __volatile__( "" : : : "memory" );
-
-#else
-
-#define BOOST_COMPILER_FENCE
-
-#endif
-
-//
-
-namespace boost
-{
-
-namespace detail
-{
-
-class spinlock
-{
-public:
-
- long v_;
-
-public:
-
- bool try_lock()
- {
- long r = BOOST_SP_INTERLOCKED_EXCHANGE( &v_, 1 );
-
- BOOST_COMPILER_FENCE
-
- return r == 0;
- }
-
- void lock()
- {
- for( unsigned k = 0; !try_lock(); ++k )
- {
- boost::detail::yield( k );
- }
- }
-
- void unlock()
- {
- BOOST_COMPILER_FENCE
- *const_cast< long volatile* >( &v_ ) = 0;
- }
-
-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 {0}
-
-#endif // #ifndef BOOST_SMART_PTR_DETAIL_SPINLOCK_W32_HPP_INCLUDED
+#ifndef BOOST_SMART_PTR_DETAIL_SPINLOCK_W32_HPP_INCLUDED
+#define BOOST_SMART_PTR_DETAIL_SPINLOCK_W32_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/smart_ptr/detail/sp_interlocked.hpp>
+#include <boost/smart_ptr/detail/yield_k.hpp>
+
+// BOOST_COMPILER_FENCE
+
+#if defined(__INTEL_COMPILER)
+
+#define BOOST_COMPILER_FENCE __memory_barrier();
+
+#elif defined( _MSC_VER ) && _MSC_VER >= 1310
+
+extern "C" void _ReadWriteBarrier();
+#pragma intrinsic( _ReadWriteBarrier )
+
+#define BOOST_COMPILER_FENCE _ReadWriteBarrier();
+
+#elif defined(__GNUC__)
+
+#define BOOST_COMPILER_FENCE __asm__ __volatile__( "" : : : "memory" );
+
+#else
+
+#define BOOST_COMPILER_FENCE
+
+#endif
+
+//
+
+namespace boost
+{
+
+namespace detail
+{
+
+class spinlock
+{
+public:
+
+ long v_;
+
+public:
+
+ bool try_lock()
+ {
+ long r = BOOST_SP_INTERLOCKED_EXCHANGE( &v_, 1 );
+
+ BOOST_COMPILER_FENCE
+
+ return r == 0;
+ }
+
+ void lock()
+ {
+ for( unsigned k = 0; !try_lock(); ++k )
+ {
+ boost::detail::yield( k );
+ }
+ }
+
+ void unlock()
+ {
+ BOOST_COMPILER_FENCE
+ *const_cast< long volatile* >( &v_ ) = 0;
+ }
+
+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 {0}
+
+#endif // #ifndef BOOST_SMART_PTR_DETAIL_SPINLOCK_W32_HPP_INCLUDED