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/*
* Copyright 2018 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.
*/
/*! \file tls_pool.h
* \brief A function wrapping a thread local instance of a \p unsynchronized_pool_resource.
*/
#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/detail/cpp11_required.h>
#if THRUST_CPP_DIALECT >= 2011
#include <thrust/mr/pool.h>
THRUST_NAMESPACE_BEGIN
namespace mr
{
/*! \addtogroup memory_management Memory Management
* \addtogroup memory_resources Memory Resources
* \ingroup memory_resources
* \{
*/
/*! Potentially constructs, if not yet created, and then returns the address of a thread-local \p unsynchronized_pool_resource,
*
* \tparam Upstream the template argument to the pool template
* \param upstream the argument to the constructor, if invoked
*/
template<typename Upstream, typename Bookkeeper>
__host__
thrust::mr::unsynchronized_pool_resource<Upstream> & tls_pool(Upstream * upstream = NULL)
{
static thread_local auto adaptor = [&]{
assert(upstream);
return thrust::mr::unsynchronized_pool_resource<Upstream>(upstream);
}();
return adaptor;
}
/*! \}
*/
} // end mr
THRUST_NAMESPACE_END
#endif // THRUST_CPP_DIALECT >= 2011
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