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38 lines
1.4 KiB
C++
38 lines
1.4 KiB
C++
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//---------------------------------------------------------------------------//
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// Copyright (c) 2013-2014 Kyle Lutz <kyle.r.lutz@gmail.com>
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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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//
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// See http://boostorg.github.com/compute for more information.
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//---------------------------------------------------------------------------//
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#ifndef BOOST_COMPUTE_DETAIL_GLOBAL_STATIC_HPP
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#define BOOST_COMPUTE_DETAIL_GLOBAL_STATIC_HPP
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#include <boost/compute/config.hpp>
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#ifdef BOOST_COMPUTE_THREAD_SAFE
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# ifdef BOOST_COMPUTE_HAVE_THREAD_LOCAL
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// use c++11 thread local storage
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# define BOOST_COMPUTE_DETAIL_GLOBAL_STATIC(type, name, ctor) \
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thread_local type name ctor;
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# else
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// use thread_specific_ptr from boost.thread
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# include <boost/thread/tss.hpp>
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# define BOOST_COMPUTE_DETAIL_GLOBAL_STATIC(type, name, ctor) \
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static ::boost::thread_specific_ptr< type > BOOST_PP_CAT(name, _tls_ptr_); \
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if(!BOOST_PP_CAT(name, _tls_ptr_).get()){ \
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BOOST_PP_CAT(name, _tls_ptr_).reset(new type ctor); \
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} \
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static type &name = *BOOST_PP_CAT(name, _tls_ptr_);
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# endif
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#else
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// no thread-safety, just use static
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# define BOOST_COMPUTE_DETAIL_GLOBAL_STATIC(type, name, ctor) \
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static type name ctor;
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#endif
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#endif // BOOST_COMPUTE_DETAIL_GLOBAL_STATIC_HPP
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