69 lines
1.2 KiB
C++
69 lines
1.2 KiB
C++
|
//
|
||
|
|
// detail/null_tss_ptr.hpp
|
||
|
|
// ~~~~~~~~~~~~~~~~~~~~~~~
|
||
|
|
//
|
||
|
|
// Copyright (c) 2003-2023 Christopher M. Kohlhoff (chris at kohlhoff dot com)
|
||
|
|
//
|
||
|
|
// Distributed under the Boost Software License, Version 1.0. (See accompanying
|
||
|
|
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
|
||
|
|
//
|
||
|
|
|
||
|
|
#ifndef ASIO_DETAIL_NULL_TSS_PTR_HPP
|
||
|
|
#define ASIO_DETAIL_NULL_TSS_PTR_HPP
|
||
|
|
|
||
|
|
#if defined(_MSC_VER) && (_MSC_VER >= 1200)
|
||
|
|
# pragma once
|
||
|
|
#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
|
||
|
|
|
||
|
|
#include "asio/detail/config.hpp"
|
||
|
|
|
||
|
|
#if !defined(ASIO_HAS_THREADS)
|
||
|
|
|
||
|
|
#include "asio/detail/noncopyable.hpp"
|
||
|
|
|
||
|
|
#include "asio/detail/push_options.hpp"
|
||
|
|
|
||
|
|
namespace asio {
|
||
|
|
namespace detail {
|
||
|
|
|
||
|
|
template <typename T>
|
||
|
|
class null_tss_ptr
|
||
|
|
: private noncopyable
|
||
|
|
{
|
||
|
|
public:
|
||
|
|
// Constructor.
|
||
|
|
null_tss_ptr()
|
||
|
|
: value_(0)
|
||
|
|
{
|
||
|
|
}
|
||
|
|
|
||
|
|
// Destructor.
|
||
|
|
~null_tss_ptr()
|
||
|
|
{
|
||
|
|
}
|
||
|
|
|
||
|
|
// Get the value.
|
||
|
|
operator T*() const
|
||
|
|
{
|
||
|
|
return value_;
|
||
|
|
}
|
||
|
|
|
||
|
|
// Set the value.
|
||
|
|
void operator=(T* value)
|
||
|
|
{
|
||
|
|
value_ = value;
|
||
|
|
}
|
||
|
|
|
||
|
|
private:
|
||
|
|
T* value_;
|
||
|
|
};
|
||
|
|
|
||
|
|
} // namespace detail
|
||
|
|
} // namespace asio
|
||
|
|
|
||
|
|
#include "asio/detail/pop_options.hpp"
|
||
|
|
|
||
|
|
#endif // !defined(ASIO_HAS_THREADS)
|
||
|
|
|
||
|
|
#endif // ASIO_DETAIL_NULL_TSS_PTR_HPP
|