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110 lines
2.8 KiB
110 lines
2.8 KiB
/* |
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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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