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//
// MIT License
// Copyright (c) 2020 Jonathan R. Madsen
// 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
// 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.
//
// Tasking native types
//
#pragma once
#include "PTL/Config.hh"
#if defined(__APPLE__) || defined(__MACH__)
# if !defined(PTL_MACOS)
# define PTL_MACOS 1
# endif
# if !defined(PTL_UNIX)
# define PTL_UNIX 1
# endif
#endif
#if defined(WIN32) || defined(_WIN32) || defined(WIN64) || defined(_WIN64)
# if !defined(PTL_WINDOWS)
# define PTL_WINDOWS 1
# endif
#endif
#if defined(__linux__) || defined(__linux) || defined(linux) || defined(__gnu_linux__)
# if !defined(PTL_LINUX)
# define PTL_LINUX 1
# endif
# if !defined(PTL_UNIX)
# define PTL_UNIX 1
# endif
#endif
#if defined(__unix__) || defined(__unix) || defined(unix)
# if !defined(PTL_UNIX)
# define PTL_UNIX 1
# endif
#endif
#if defined(PTL_WINDOWS)
// Disable warning C4786 on WIN32 architectures:
// identifier was truncated to '255' characters
// in the debug information
//
# pragma warning(disable : 4786)
//
// Define DLL export macro for WIN32 systems for
// importing/exporting external symbols to DLLs
//
# if defined LIB_BUILD_DLL
# define DLLEXPORT __declspec(dllexport)
# define DLLIMPORT __declspec(dllimport)
# else
# define DLLEXPORT
# define DLLIMPORT
# endif
//
// Unique identifier for global module
//
# if defined PTL_ALLOC_EXPORT
# define PTL_DLL DLLEXPORT
# else
# define PTL_DLL DLLIMPORT
# endif
#else
# define DLLEXPORT
# define DLLIMPORT
# define PTL_DLL
#endif
#if !defined(PTL_DEFAULT_OBJECT)
# define PTL_DEFAULT_OBJECT(NAME) \
NAME() = default; \
~NAME() = default; \
NAME(const NAME&) = default; \
NAME(NAME&&) = default; \
NAME& operator=(const NAME&) = default; \
NAME& operator=(NAME&&) = default;
#endif
#include <atomic>
#include <complex>
#include <functional>
#include <limits>
#include <memory>
#include <utility>
namespace PTL
{
//--------------------------------------------------------------------------------------//
//
namespace api
{
struct native
{};
struct tbb
{};
} // namespace api
//
//--------------------------------------------------------------------------------------//
//
template <typename Tp, typename Tag = api::native, typename Ptr = std::shared_ptr<Tp>,
typename Pair = std::pair<Ptr, Ptr>>
Pair&
GetSharedPointerPair()
{
static auto _master = std::make_shared<Tp>();
static std::atomic<int64_t> _count(0);
static thread_local auto _inst =
Pair(_master, Ptr((_count++ == 0) ? nullptr : new Tp()));
return _inst;
}
//
//--------------------------------------------------------------------------------------//
//
template <typename Tp, typename Tag = api::native, typename Ptr = std::shared_ptr<Tp>,
typename Pair = std::pair<Ptr, Ptr>>
Ptr
GetSharedPointerPairInstance()
{
static thread_local auto& _pinst = GetSharedPointerPair<Tp, Tag>();
static thread_local auto& _inst = _pinst.second.get() ? _pinst.second : _pinst.first;
return _inst;
}
//
//--------------------------------------------------------------------------------------//
//
template <typename Tp, typename Tag = api::native, typename Ptr = std::shared_ptr<Tp>,
typename Pair = std::pair<Ptr, Ptr>>
Ptr
GetSharedPointerPairMasterInstance()
{
static auto& _pinst = GetSharedPointerPair<Tp, Tag>();
static auto _inst = _pinst.first;
return _inst;
}
//======================================================================================//
} // namespace PTL
// Forward declation of void type argument for usage in direct object
// persistency to define fake default constructors
//
class __void__;
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