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80 lines
2.5 KiB
80 lines
2.5 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/detail/execution_policy.h>
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#include <thrust/detail/pointer.h>
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#include <thrust/detail/raw_pointer_cast.h>
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#include <thrust/system/detail/generic/memory.h>
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#include <thrust/system/detail/adl/malloc_and_free.h>
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namespace thrust
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{
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template<typename DerivedPolicy>
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pointer<void,DerivedPolicy> malloc(const thrust::detail::execution_policy_base<DerivedPolicy> &exec, std::size_t n)
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{
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using thrust::system::detail::generic::malloc;
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// XXX should use a hypothetical thrust::static_pointer_cast here
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void *raw_ptr = static_cast<void*>(thrust::raw_pointer_cast(malloc(thrust::detail::derived_cast(thrust::detail::strip_const(exec)), n)));
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return pointer<void,DerivedPolicy>(raw_ptr);
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}
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template<typename T, typename DerivedPolicy>
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pointer<T,DerivedPolicy> malloc(const thrust::detail::execution_policy_base<DerivedPolicy> &exec, std::size_t n)
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{
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using thrust::system::detail::generic::malloc;
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T *raw_ptr = static_cast<T*>(thrust::raw_pointer_cast(malloc<T>(thrust::detail::derived_cast(thrust::detail::strip_const(exec)), n)));
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return pointer<T,DerivedPolicy>(raw_ptr);
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}
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// XXX WAR nvbug 992955
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#if THRUST_DEVICE_COMPILER == THRUST_DEVICE_COMPILER_NVCC
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#if CUDA_VERSION < 5000
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// cudafe generates unqualified calls to free(int *volatile)
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// which get confused with thrust::free
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// spoof a thrust::free which simply maps to ::free
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inline __host__ __device__
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void free(int *volatile ptr)
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{
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::free(ptr);
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}
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#endif // CUDA_VERSION
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#endif // THRUST_DEVICE_COMPILER
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template<typename DerivedPolicy, typename Pointer>
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void free(const thrust::detail::execution_policy_base<DerivedPolicy> &exec, Pointer ptr)
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{
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using thrust::system::detail::generic::free;
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free(thrust::detail::derived_cast(thrust::detail::strip_const(exec)), ptr);
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}
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// XXX consider another form of free which does not take a system argument and
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// instead infers the system from the pointer
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} // end namespace thrust
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