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/*
* Copyright 2008-2013 NVIDIA Corporation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#pragma once
#include <thrust/detail/config.h>
#include <thrust/detail/execution_policy.h>
#include <thrust/detail/pointer.h>
#include <thrust/detail/raw_pointer_cast.h>
#include <thrust/system/detail/generic/memory.h>
#include <thrust/system/detail/adl/malloc_and_free.h>
THRUST_NAMESPACE_BEGIN
__thrust_exec_check_disable__
template<typename DerivedPolicy>
__host__ __device__
pointer<void,DerivedPolicy> malloc(const thrust::detail::execution_policy_base<DerivedPolicy> &exec, std::size_t n)
{
using thrust::system::detail::generic::malloc;
// XXX should use a hypothetical thrust::static_pointer_cast here
void *raw_ptr = static_cast<void*>(thrust::raw_pointer_cast(malloc(thrust::detail::derived_cast(thrust::detail::strip_const(exec)), n)));
return pointer<void,DerivedPolicy>(raw_ptr);
}
__thrust_exec_check_disable__
template<typename T, typename DerivedPolicy>
__host__ __device__
pointer<T,DerivedPolicy> malloc(const thrust::detail::execution_policy_base<DerivedPolicy> &exec, std::size_t n)
{
using thrust::system::detail::generic::malloc;
T *raw_ptr = static_cast<T*>(thrust::raw_pointer_cast(malloc<T>(thrust::detail::derived_cast(thrust::detail::strip_const(exec)), n)));
return pointer<T,DerivedPolicy>(raw_ptr);
}
// XXX WAR nvbug 992955
#if THRUST_DEVICE_COMPILER == THRUST_DEVICE_COMPILER_NVCC
#if CUDART_VERSION < 5000
// cudafe generates unqualified calls to free(int *volatile)
// which get confused with thrust::free
// spoof a thrust::free which simply maps to ::free
inline __host__ __device__
void free(int *volatile ptr)
{
::free(ptr);
}
#endif // CUDART_VERSION
#endif // THRUST_DEVICE_COMPILER
__thrust_exec_check_disable__
template<typename DerivedPolicy, typename Pointer>
__host__ __device__
void free(const thrust::detail::execution_policy_base<DerivedPolicy> &exec, Pointer ptr)
{
using thrust::system::detail::generic::free;
free(thrust::detail::derived_cast(thrust::detail::strip_const(exec)), ptr);
}
// XXX consider another form of free which does not take a system argument and
// instead infers the system from the pointer
THRUST_NAMESPACE_END
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