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Diffstat (limited to '3rdParty/Boost/src/boost/asio/detail/posix_tss_ptr.hpp')
-rw-r--r-- | 3rdParty/Boost/src/boost/asio/detail/posix_tss_ptr.hpp | 90 |
1 files changed, 90 insertions, 0 deletions
diff --git a/3rdParty/Boost/src/boost/asio/detail/posix_tss_ptr.hpp b/3rdParty/Boost/src/boost/asio/detail/posix_tss_ptr.hpp new file mode 100644 index 0000000..f53c2dc --- /dev/null +++ b/3rdParty/Boost/src/boost/asio/detail/posix_tss_ptr.hpp @@ -0,0 +1,90 @@ +// +// posix_tss_ptr.hpp +// ~~~~~~~~~~~~~~~~~ +// +// Copyright (c) 2003-2008 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 BOOST_ASIO_DETAIL_POSIX_TSS_PTR_HPP +#define BOOST_ASIO_DETAIL_POSIX_TSS_PTR_HPP + +#if defined(_MSC_VER) && (_MSC_VER >= 1200) +# pragma once +#endif // defined(_MSC_VER) && (_MSC_VER >= 1200) + +#include <boost/asio/detail/push_options.hpp> + +#include <boost/asio/detail/push_options.hpp> +#include <boost/config.hpp> +#include <boost/system/system_error.hpp> +#include <boost/asio/detail/pop_options.hpp> + +#if defined(BOOST_HAS_PTHREADS) + +#include <boost/asio/detail/push_options.hpp> +#include <boost/throw_exception.hpp> +#include <pthread.h> +#include <boost/asio/detail/pop_options.hpp> + +#include <boost/asio/error.hpp> +#include <boost/asio/detail/noncopyable.hpp> + +namespace boost { +namespace asio { +namespace detail { + +template <typename T> +class posix_tss_ptr + : private noncopyable +{ +public: + // Constructor. + posix_tss_ptr() + { + int error = ::pthread_key_create(&tss_key_, 0); + if (error != 0) + { + boost::system::system_error e( + boost::system::error_code(error, + boost::asio::error::get_system_category()), + "tss"); + boost::throw_exception(e); + } + } + + // Destructor. + ~posix_tss_ptr() + { + ::pthread_key_delete(tss_key_); + } + + // Get the value. + operator T*() const + { + return static_cast<T*>(::pthread_getspecific(tss_key_)); + } + + // Set the value. + void operator=(T* value) + { + ::pthread_setspecific(tss_key_, value); + } + +private: + // Thread-specific storage to allow unlocked access to determine whether a + // thread is a member of the pool. + pthread_key_t tss_key_; +}; + +} // namespace detail +} // namespace asio +} // namespace boost + +#endif // defined(BOOST_HAS_PTHREADS) + +#include <boost/asio/detail/pop_options.hpp> + +#endif // BOOST_ASIO_DETAIL_POSIX_TSS_PTR_HPP |