1//
2// detail/posix_thread.hpp
3// ~~~~~~~~~~~~~~~~~~~~~~~
4//
5// Copyright (c) 2003-2015 Christopher M. Kohlhoff (chris at kohlhoff dot com)
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_POSIX_THREAD_HPP
12#define BOOST_ASIO_DETAIL_POSIX_THREAD_HPP
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 <pthread.h>
23#include <boost/asio/detail/noncopyable.hpp>
24
25#include <boost/asio/detail/push_options.hpp>
26
27namespace boost {
28namespace asio {
29namespace detail {
30
31extern "C"
32{
33 BOOST_ASIO_DECL void* boost_asio_detail_posix_thread_function(void* arg);
34}
35
36class posix_thread
37 : private noncopyable
38{
39public:
40 // Constructor.
41 template <typename Function>
42 posix_thread(Function f, unsigned int = 0)
43 : joined_(false)
44 {
45 start_thread(arg: new func<Function>(f));
46 }
47
48 // Destructor.
49 BOOST_ASIO_DECL ~posix_thread();
50
51 // Wait for the thread to exit.
52 BOOST_ASIO_DECL void join();
53
54private:
55 friend void* boost_asio_detail_posix_thread_function(void* arg);
56
57 class func_base
58 {
59 public:
60 virtual ~func_base() {}
61 virtual void run() = 0;
62 };
63
64 struct auto_func_base_ptr
65 {
66 func_base* ptr;
67 ~auto_func_base_ptr() { delete ptr; }
68 };
69
70 template <typename Function>
71 class func
72 : public func_base
73 {
74 public:
75 func(Function f)
76 : f_(f)
77 {
78 }
79
80 virtual void run()
81 {
82 f_();
83 }
84
85 private:
86 Function f_;
87 };
88
89 BOOST_ASIO_DECL void start_thread(func_base* arg);
90
91 ::pthread_t thread_;
92 bool joined_;
93};
94
95} // namespace detail
96} // namespace asio
97} // namespace boost
98
99#include <boost/asio/detail/pop_options.hpp>
100
101#if defined(BOOST_ASIO_HEADER_ONLY)
102# include <boost/asio/detail/impl/posix_thread.ipp>
103#endif // defined(BOOST_ASIO_HEADER_ONLY)
104
105#endif // defined(BOOST_ASIO_HAS_PTHREADS)
106
107#endif // BOOST_ASIO_DETAIL_POSIX_THREAD_HPP
108

source code of boost/boost/asio/detail/posix_thread.hpp