From e95946831f8ef53d29590735a2df661385edb008 Mon Sep 17 00:00:00 2001 From: "Matthias P. Braendli" Date: Mon, 6 Aug 2018 10:35:22 +0200 Subject: Replace boost by the standalone asio library --- lib/asio/detail/posix_tss_ptr.hpp | 79 +++++++++++++++++++++++++++++++++++++++ 1 file changed, 79 insertions(+) create mode 100644 lib/asio/detail/posix_tss_ptr.hpp (limited to 'lib/asio/detail/posix_tss_ptr.hpp') diff --git a/lib/asio/detail/posix_tss_ptr.hpp b/lib/asio/detail/posix_tss_ptr.hpp new file mode 100644 index 0000000..a3096b4 --- /dev/null +++ b/lib/asio/detail/posix_tss_ptr.hpp @@ -0,0 +1,79 @@ +// +// detail/posix_tss_ptr.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_TSS_PTR_HPP +#define ASIO_DETAIL_POSIX_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_PTHREADS) + +#include +#include "asio/detail/noncopyable.hpp" + +#include "asio/detail/push_options.hpp" + +namespace asio { +namespace detail { + +// Helper function to create thread-specific storage. +ASIO_DECL void posix_tss_ptr_create(pthread_key_t& key); + +template +class posix_tss_ptr + : private noncopyable +{ +public: + // Constructor. + posix_tss_ptr() + { + posix_tss_ptr_create(tss_key_); + } + + // Destructor. + ~posix_tss_ptr() + { + ::pthread_key_delete(tss_key_); + } + + // Get the value. + operator T*() const + { + return static_cast(::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 + +#include "asio/detail/pop_options.hpp" + +#if defined(ASIO_HEADER_ONLY) +# include "asio/detail/impl/posix_tss_ptr.ipp" +#endif // defined(ASIO_HEADER_ONLY) + +#endif // defined(ASIO_HAS_PTHREADS) + +#endif // ASIO_DETAIL_POSIX_TSS_PTR_HPP -- cgit v1.2.3