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72 lines
1.8 KiB
72 lines
1.8 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 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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#pragma once
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#include <thrust/detail/config.h>
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#include <thrust/system/cuda/detail/execution_policy.h>
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#include <thrust/detail/raw_pointer_cast.h>
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#include <thrust/system/cuda/detail/guarded_cuda_runtime_api.h>
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#include <thrust/system/system_error.h>
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#include <thrust/system/cuda/error.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 system
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{
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namespace cuda
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{
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namespace detail
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{
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// note that malloc returns a raw pointer to avoid
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// depending on the heavyweight thrust/system/cuda/memory.h header
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template<typename DerivedPolicy>
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void *malloc(execution_policy<DerivedPolicy> &, std::size_t n)
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{
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void *result = 0;
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cudaError_t error = cudaMalloc(reinterpret_cast<void**>(&result), n);
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if(error)
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{
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throw thrust::system::detail::bad_alloc(thrust::cuda_category().message(error).c_str());
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} // end if
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return result;
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} // end malloc()
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template<typename DerivedPolicy, typename Pointer>
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void free(execution_policy<DerivedPolicy> &, Pointer ptr)
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{
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cudaError_t error = cudaFree(thrust::raw_pointer_cast(ptr));
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if(error)
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{
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throw thrust::system_error(error, thrust::cuda_category());
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} // end error
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} // end free()
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} // end detail
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} // end cuda
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} // end system
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} // end thrust
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