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 | |
27 | namespace boost { |
28 | namespace asio { |
29 | namespace detail { |
30 | |
31 | extern "C" |
32 | { |
33 | BOOST_ASIO_DECL void* boost_asio_detail_posix_thread_function(void* arg); |
34 | } |
35 | |
36 | class posix_thread |
37 | : private noncopyable |
38 | { |
39 | public: |
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 | |
54 | private: |
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 |