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59 lines
1.8 KiB
59 lines
1.8 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 compliance 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/detail/allocator/temporary_allocator.h> |
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#include <thrust/detail/temporary_buffer.h> |
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#include <thrust/system/detail/bad_alloc.h> |
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namespace thrust |
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{ |
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namespace detail |
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{ |
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template<typename T, typename System> |
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typename temporary_allocator<T,System>::pointer |
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temporary_allocator<T,System> |
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::allocate(typename temporary_allocator<T,System>::size_type cnt) |
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{ |
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pointer_and_size result = thrust::get_temporary_buffer<T>(system(), cnt); |
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// handle failure |
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if(result.second < cnt) |
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{ |
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// deallocate and throw |
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// note that we pass cnt to deallocate, not a value derived from result.second |
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deallocate(result.first, cnt); |
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throw thrust::system::detail::bad_alloc("temporary_buffer::allocate: get_temporary_buffer failed"); |
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} // end if |
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return result.first; |
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} // end temporary_allocator::allocate() |
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template<typename T, typename System> |
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void temporary_allocator<T,System> |
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::deallocate(typename temporary_allocator<T,System>::pointer p, typename temporary_allocator<T,System>::size_type n) |
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{ |
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return thrust::return_temporary_buffer(system(), p); |
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} // end temporary_allocator |
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} // end detail |
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} // end thrust |
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