Jonathan R. Madsen
86 baris
3.0 KiB
C++
86 baris
3.0 KiB
C++
// MIT License
|
|
//
|
|
// Copyright (c) 2020, The Regents of the University of California,
|
|
// through Lawrence Berkeley National Laboratory (subject to receipt of any
|
|
// required approvals from the U.S. Dept. of Energy). All rights reserved.
|
|
//
|
|
// Permission is hereby granted, free of charge, to any person obtaining a copy
|
|
// of this software and associated documentation files (the "Software"), to deal
|
|
// in the Software without restriction, including without limitation the rights
|
|
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
|
// copies of the Software, and to permit persons to whom the Software is
|
|
// furnished to do so, subject to the following conditions:
|
|
//
|
|
// The above copyright notice and this permission notice shall be included in all
|
|
// copies or substantial portions of the Software.
|
|
//
|
|
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
|
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
|
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
|
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
|
|
// SOFTWARE.
|
|
|
|
#pragma once
|
|
|
|
#include "timemory/hash/macros.hpp"
|
|
#include "timemory/hash/types.hpp"
|
|
#include "timemory/utility/macros.hpp"
|
|
|
|
#include <atomic>
|
|
#include <memory>
|
|
#include <utility>
|
|
|
|
namespace tim
|
|
{
|
|
//
|
|
//--------------------------------------------------------------------------------------//
|
|
//
|
|
template <typename Tp, typename Tag, typename PtrT, typename PairT>
|
|
PairT&
|
|
get_shared_ptr_pair()
|
|
{
|
|
static auto _master = std::make_shared<Tp>();
|
|
static std::atomic<int64_t> _count{ 0 };
|
|
static thread_local auto _inst =
|
|
PairT{ _master, PtrT{ (_count++ == 0) ? nullptr : new Tp{} } };
|
|
return _inst;
|
|
}
|
|
//
|
|
//--------------------------------------------------------------------------------------//
|
|
//
|
|
template <typename Tp, typename Tag, typename PtrT, typename PairT>
|
|
PtrT
|
|
get_shared_ptr_pair_instance()
|
|
{
|
|
static thread_local auto& _pinst = get_shared_ptr_pair<Tp, Tag>();
|
|
static thread_local auto& _inst = _pinst.second ? _pinst.second : _pinst.first;
|
|
return _inst;
|
|
}
|
|
//
|
|
//--------------------------------------------------------------------------------------//
|
|
//
|
|
template <typename Tp, typename Tag, typename PtrT, typename PairT>
|
|
PtrT
|
|
get_shared_ptr_pair_main_instance()
|
|
{
|
|
static auto& _pinst = get_shared_ptr_pair<Tp, Tag>();
|
|
static auto _inst = _pinst.first;
|
|
return _inst;
|
|
}
|
|
//
|
|
//--------------------------------------------------------------------------------------//
|
|
//
|
|
template <typename Tp, typename Tag, typename PtrT>
|
|
PtrT
|
|
get_shared_ptr_lone_instance()
|
|
{
|
|
static auto _instance = std::make_shared<Tp>();
|
|
return _instance;
|
|
}
|
|
//
|
|
//--------------------------------------------------------------------------------------//
|
|
//
|
|
} // namespace tim
|