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111 lines
2.8 KiB
111 lines
2.8 KiB
11 years ago
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/*
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* Copyright 2008-2012 NVIDIA Corporation
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in ctbbliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include <thrust/detail/config.h>
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#include <thrust/system/cpp/detail/execution_policy.h>
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#include <thrust/system/tbb/memory.h>
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#include <thrust/system/cpp/memory.h>
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#include <limits>
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namespace thrust
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{
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namespace system
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{
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namespace tbb
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{
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template<typename T>
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template<typename OtherT>
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reference<T> &
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reference<T>
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::operator=(const reference<OtherT> &other)
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{
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return super_t::operator=(other);
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} // end reference::operator=()
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template<typename T>
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reference<T> &
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reference<T>
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::operator=(const value_type &x)
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{
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return super_t::operator=(x);
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} // end reference::operator=()
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template<typename T>
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__host__ __device__
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void swap(reference<T> a, reference<T> b)
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{
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a.swap(b);
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} // end swap()
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namespace detail
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{
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// XXX circular #inclusion problems cause the compiler to believe that cpp::malloc
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// is not defined
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// WAR the problem by using adl to call cpp::malloc, which requires it to depend
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// on a template parameter
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template<typename Tag>
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pointer<void> malloc_workaround(Tag t, std::size_t n)
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{
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return pointer<void>(malloc(t, n));
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} // end malloc_workaround()
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// XXX circular #inclusion problems cause the compiler to believe that cpp::free
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// is not defined
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// WAR the problem by using adl to call cpp::free, which requires it to depend
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// on a template parameter
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template<typename Tag>
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void free_workaround(Tag t, pointer<void> ptr)
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{
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free(t, ptr.get());
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} // end free_workaround()
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} // end detail
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inline pointer<void> malloc(std::size_t n)
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{
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// XXX this is how we'd like to implement this function,
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// if not for circular #inclusion problems:
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//
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// return pointer<void>(thrust::system::cpp::malloc(n))
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//
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return detail::malloc_workaround(cpp::tag(), n);
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} // end malloc()
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template<typename T>
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pointer<T> malloc(std::size_t n)
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{
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pointer<void> raw_ptr = thrust::system::tbb::malloc(sizeof(T) * n);
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return pointer<T>(reinterpret_cast<T*>(raw_ptr.get()));
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} // end malloc()
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inline void free(pointer<void> ptr)
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{
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// XXX this is how we'd like to implement this function,
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// if not for circular #inclusion problems:
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//
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// thrust::system::cpp::free(ptr)
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//
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detail::free_workaround(cpp::tag(), ptr);
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} // end free()
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} // end tbb
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} // end system
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} // end thrust
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