cuda_toolkit/include/thrust/detail/device_malloc.inl

/*
 *  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>

#if defined(_CCCL_IMPLICIT_SYSTEM_HEADER_GCC)
#  pragma GCC system_header
#elif defined(_CCCL_IMPLICIT_SYSTEM_HEADER_CLANG)
#  pragma clang system_header
#elif defined(_CCCL_IMPLICIT_SYSTEM_HEADER_MSVC)
#  pragma system_header
#endif // no system header
#include <thrust/device_malloc.h>
#include <thrust/iterator/iterator_traits.h>
#include <thrust/system/detail/generic/select_system.h>
#include <thrust/detail/malloc_and_free.h>

THRUST_NAMESPACE_BEGIN

thrust::device_ptr<void> device_malloc(const std::size_t n)
{
  using thrust::system::detail::generic::select_system;

  typedef thrust::iterator_system< thrust::device_ptr<void> >::type system;

  // XXX lower to select_system(system) here
  system s;

  return thrust::device_ptr<void>(thrust::malloc(s, n).get());
} // end device_malloc()


template<typename T>
  thrust::device_ptr<T> device_malloc(const std::size_t n)
{
  using thrust::system::detail::generic::select_system;

  typedef thrust::iterator_system< thrust::device_ptr<void> >::type system;

  // XXX lower to select_system(system) here
  system s;

  return thrust::device_ptr<T>(thrust::malloc<T>(s,n).get());
} // end device_malloc()

THRUST_NAMESPACE_END