projects / ceph.git / blame
| Commit | Line | Data |
|---|---|---|
| 7c673cae FG |
1 | // |
| 2 | // detail/impl/posix_thread.ipp | |
| 3 | // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~ | |
| 4 | // | |
| 1e59de90 | 5 | // Copyright (c) 2003-2022 Christopher M. Kohlhoff (chris at kohlhoff dot com) |
| 7c673cae FG |
6 | // |
| 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) | |
| 9 | // | |
| 10 | ||
| 11 | #ifndef BOOST_ASIO_DETAIL_IMPL_POSIX_THREAD_IPP | |
| 12 | #define BOOST_ASIO_DETAIL_IMPL_POSIX_THREAD_IPP | |
| 13 | ||
| 14 | #if defined(_MSC_VER) && (_MSC_VER >= 1200) | |
| 15 | # pragma once | |
| 16 | #endif // defined(_MSC_VER) && (_MSC_VER >= 1200) | |
| 17 | ||
| 18 | #include <boost/asio/detail/config.hpp> | |
| 19 | ||
| 20 | #if defined(BOOST_ASIO_HAS_PTHREADS) | |
| 21 | ||
| 22 | #include <boost/asio/detail/posix_thread.hpp> | |
| 23 | #include <boost/asio/detail/throw_error.hpp> | |
| 24 | #include <boost/asio/error.hpp> | |
| 25 | ||
| 26 | #include <boost/asio/detail/push_options.hpp> | |
| 27 | ||
| 28 | namespace boost { | |
| 29 | namespace asio { | |
| 30 | namespace detail { | |
| 31 | ||
| 32 | posix_thread::~posix_thread() | |
| 33 | { | |
| 34 | if (!joined_) | |
| 35 | ::pthread_detach(thread_); | |
| 36 | } | |
| 37 | ||
| 38 | void posix_thread::join() | |
| 39 | { | |
| 40 | if (!joined_) | |
| 41 | { | |
| 42 | ::pthread_join(thread_, 0); | |
| 43 | joined_ = true; | |
| 44 | } | |
| 45 | } | |
| 46 | ||
| b32b8144 FG |
47 | std::size_t posix_thread::hardware_concurrency() |
| 48 | { | |
| 49 | #if defined(_SC_NPROCESSORS_ONLN) | |
| 50 | long result = sysconf(_SC_NPROCESSORS_ONLN); | |
| 51 | if (result > 0) | |
| 52 | return result; | |
| 53 | #endif // defined(_SC_NPROCESSORS_ONLN) | |
| 54 | return 0; | |
| 55 | } | |
| 56 | ||
| 7c673cae FG |
57 | void posix_thread::start_thread(func_base* arg) |
| 58 | { | |
| 59 | int error = ::pthread_create(&thread_, 0, | |
| 60 | boost_asio_detail_posix_thread_function, arg); | |
| 61 | if (error != 0) | |
| 62 | { | |
| 63 | delete arg; | |
| 64 | boost::system::error_code ec(error, | |
| 65 | boost::asio::error::get_system_category()); | |
| 66 | boost::asio::detail::throw_error(ec, "thread"); | |
| 67 | } | |
| 68 | } | |
| 69 | ||
| 70 | void* boost_asio_detail_posix_thread_function(void* arg) | |
| 71 | { | |
| 72 | posix_thread::auto_func_base_ptr func = { | |
| 73 | static_cast<posix_thread::func_base*>(arg) }; | |
| 74 | func.ptr->run(); | |
| 75 | return 0; | |
| 76 | } | |
| 77 | ||
| 78 | } // namespace detail | |
| 79 | } // namespace asio | |
| 80 | } // namespace boost | |
| 81 | ||
| 82 | #include <boost/asio/detail/pop_options.hpp> | |
| 83 | ||
| 84 | #endif // defined(BOOST_ASIO_HAS_PTHREADS) | |
| 85 | ||
| 86 | #endif // BOOST_ASIO_DETAIL_IMPL_POSIX_THREAD_IPP |