2 // detail/posix_tss_ptr.hpp
3 // ~~~~~~~~~~~~~~~~~~~~~~~~
5 // Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
7 // Distributed under the Boost Software License, Version 1.0. (See accompanying
8 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
11 #ifndef BOOST_ASIO_DETAIL_POSIX_TSS_PTR_HPP
12 #define BOOST_ASIO_DETAIL_POSIX_TSS_PTR_HPP
14 #if defined(_MSC_VER) && (_MSC_VER >= 1200)
16 #endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
18 #include <boost/asio/detail/config.hpp>
20 #if defined(BOOST_ASIO_HAS_PTHREADS)
23 #include <boost/asio/detail/noncopyable.hpp>
25 #include <boost/asio/detail/push_options.hpp>
31 // Helper function to create thread-specific storage.
32 BOOST_ASIO_DECL void posix_tss_ptr_create(pthread_key_t& key);
42 posix_tss_ptr_create(tss_key_);
48 ::pthread_key_delete(tss_key_);
54 return static_cast<T*>(::pthread_getspecific(tss_key_));
58 void operator=(T* value)
60 ::pthread_setspecific(tss_key_, value);
64 // Thread-specific storage to allow unlocked access to determine whether a
65 // thread is a member of the pool.
66 pthread_key_t tss_key_;
73 #include <boost/asio/detail/pop_options.hpp>
75 #if defined(BOOST_ASIO_HEADER_ONLY)
76 # include <boost/asio/detail/impl/posix_tss_ptr.ipp>
77 #endif // defined(BOOST_ASIO_HEADER_ONLY)
79 #endif // defined(BOOST_ASIO_HAS_PTHREADS)
81 #endif // BOOST_ASIO_DETAIL_POSIX_TSS_PTR_HPP