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60 lines
1.6 KiB
60 lines
1.6 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/system/detail/generic/temporary_buffer.h> |
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#include <thrust/detail/pointer.h> |
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#include <thrust/detail/malloc_and_free.h> |
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#include <thrust/pair.h> |
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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 detail |
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{ |
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namespace generic |
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{ |
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template<typename T, typename DerivedPolicy> |
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thrust::pair<thrust::pointer<T,DerivedPolicy>, typename thrust::pointer<T,DerivedPolicy>::difference_type> |
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get_temporary_buffer(thrust::execution_policy<DerivedPolicy> &exec, typename thrust::pointer<T,DerivedPolicy>::difference_type n) |
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{ |
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thrust::pointer<T,DerivedPolicy> ptr = thrust::malloc<T>(exec, n); |
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// check for a failed malloc |
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if(!ptr.get()) |
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{ |
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n = 0; |
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} // end if |
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return thrust::make_pair(ptr, n); |
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} // end get_temporary_buffer() |
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template<typename DerivedPolicy, typename Pointer> |
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void return_temporary_buffer(thrust::execution_policy<DerivedPolicy> &exec, Pointer p) |
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{ |
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thrust::free(exec, p); |
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} // end return_temporary_buffer() |
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} // end generic |
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} // end detail |
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} // end system |
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} // end thrust |
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