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Diffstat (limited to '3rdParty/Boost/boost/smart_ptr/detail/spinlock_gcc_arm.hpp')
m--------- | 3rdParty/Boost | 0 | ||||
-rw-r--r-- | 3rdParty/Boost/boost/smart_ptr/detail/spinlock_gcc_arm.hpp | 85 |
2 files changed, 0 insertions, 85 deletions
diff --git a/3rdParty/Boost b/3rdParty/Boost new file mode 160000 +Subproject 3bbdbc8cf1996f23d9a366da8bac0f97be6ad79 diff --git a/3rdParty/Boost/boost/smart_ptr/detail/spinlock_gcc_arm.hpp b/3rdParty/Boost/boost/smart_ptr/detail/spinlock_gcc_arm.hpp deleted file mode 100644 index ba6c511..0000000 --- a/3rdParty/Boost/boost/smart_ptr/detail/spinlock_gcc_arm.hpp +++ /dev/null @@ -1,85 +0,0 @@ -#ifndef BOOST_SMART_PTR_DETAIL_SPINLOCK_GCC_ARM_HPP_INCLUDED -#define BOOST_SMART_PTR_DETAIL_SPINLOCK_GCC_ARM_HPP_INCLUDED - -// -// 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/yield_k.hpp> - -namespace boost -{ - -namespace detail -{ - -class spinlock -{ -public: - - int v_; - -public: - - bool try_lock() - { - int r; - - __asm__ __volatile__( - "swp %0, %1, [%2]": - "=&r"( r ): // outputs - "r"( 1 ), "r"( &v_ ): // inputs - "memory", "cc" ); - - return r == 0; - } - - void lock() - { - for( unsigned k = 0; !try_lock(); ++k ) - { - boost::detail::yield( k ); - } - } - - void unlock() - { - __asm__ __volatile__( "" ::: "memory" ); - *const_cast< int 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_GCC_ARM_HPP_INCLUDED |