25 lines
709 B
C++
25 lines
709 B
C++
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#include <boost/atomic.hpp>
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// Copyright (c) 2011 Helge Bahmann
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//
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// Distributed under the Boost Software License, Version 1.0.
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// See accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt)
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namespace boost {
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namespace atomics {
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namespace detail {
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static lockpool::lock_type lock_pool_[41];
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// NOTE: This function must NOT be inline. Otherwise MSVC 9 will sometimes generate broken code for modulus operation which result in crashes.
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BOOST_ATOMIC_DECL lockpool::lock_type& lockpool::get_lock_for(const volatile void* addr)
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{
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std::size_t index = reinterpret_cast<std::size_t>(addr) % (sizeof(lock_pool_) / sizeof(*lock_pool_));
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return lock_pool_[index];
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}
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}
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}
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}
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