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-rw-r--r--lib/asio/detail/posix_global.hpp80
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diff --git a/lib/asio/detail/posix_global.hpp b/lib/asio/detail/posix_global.hpp
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--- a/lib/asio/detail/posix_global.hpp
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-//
-// detail/posix_global.hpp
-// ~~~~~~~~~~~~~~~~~~~~~~~
-//
-// Copyright (c) 2003-2018 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_POSIX_GLOBAL_HPP
-#define ASIO_DETAIL_POSIX_GLOBAL_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_PTHREADS)
-
-#include <exception>
-#include <pthread.h>
-
-#include "asio/detail/push_options.hpp"
-
-namespace asio {
-namespace detail {
-
-template <typename T>
-struct posix_global_impl
-{
- // Helper function to perform initialisation.
- static void do_init()
- {
- instance_.static_ptr_ = instance_.ptr_ = new T;
- }
-
- // Destructor automatically cleans up the global.
- ~posix_global_impl()
- {
- delete static_ptr_;
- }
-
- static ::pthread_once_t init_once_;
- static T* static_ptr_;
- static posix_global_impl instance_;
- T* ptr_;
-};
-
-template <typename T>
-::pthread_once_t posix_global_impl<T>::init_once_ = PTHREAD_ONCE_INIT;
-
-template <typename T>
-T* posix_global_impl<T>::static_ptr_ = 0;
-
-template <typename T>
-posix_global_impl<T> posix_global_impl<T>::instance_;
-
-template <typename T>
-T& posix_global()
-{
- int result = ::pthread_once(
- &posix_global_impl<T>::init_once_,
- &posix_global_impl<T>::do_init);
-
- if (result != 0)
- std::terminate();
-
- return *posix_global_impl<T>::instance_.ptr_;
-}
-
-} // namespace detail
-} // namespace asio
-
-#include "asio/detail/pop_options.hpp"
-
-#endif // defined(ASIO_HAS_PTHREADS)
-
-#endif // ASIO_DETAIL_POSIX_GLOBAL_HPP