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61 lines
1.6 KiB
61 lines
1.6 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 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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