1 | /*============================================================================= |
---|---|
2 | Copyright (c) 2003 Martin Wille |
3 | Copyright (c) 2001-2007 Joel de Guzman |
4 | Copyright (c) 2015 John Fletcher |
5 | |
6 | Distributed under the Boost Software License, Version 1.0. (See accompanying |
7 | file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) |
8 | =============================================================================*/ |
9 | |
10 | // see http://article.gmane.org/gmane.comp.parsers.spirit.general/4575 |
11 | // or https://sf.net/mailarchive/forum.php?thread_id=2692308&forum_id=1595 |
12 | // for a description of the bug being tested for by this program |
13 | // |
14 | // This code is borrowed from Spirit's bug_000008.cpp test for multithreads. |
15 | // Now modified to point to the Phoenix headers |
16 | // instead of the ones in Spirit. |
17 | #include <iostream> |
18 | #include <boost/config.hpp> |
19 | #include <boost/assert.hpp> |
20 | #include <boost/detail/lightweight_test.hpp> |
21 | // Testing problems in thread/future |
22 | //#include <boost/move/move.hpp> |
23 | //#include <boost/move/detail/type_traits.hpp> |
24 | //using boost::move_detail::is_copy_constructible; |
25 | #include <boost/phoenix/scope/dynamic.hpp> |
26 | |
27 | #if defined(DONT_HAVE_BOOST) \ |
28 | || !defined(BOOST_HAS_THREADS) \ |
29 | || defined(BOOST_DISABLE_THREADS) \ |
30 | || (defined(__GNUC__) && defined(__WIN32__)) // MinGW |
31 | #define SKIP_TEST |
32 | #endif |
33 | |
34 | |
35 | #if defined(SKIP_TEST) |
36 | // we end here if we can't do multithreading |
37 | static void skipped() |
38 | { |
39 | std::cout << "skipped\n"; |
40 | } |
41 | |
42 | int |
43 | main() |
44 | { |
45 | skipped(); |
46 | return boost::report_errors(); |
47 | } |
48 | |
49 | #else |
50 | // the real MT stuff |
51 | |
52 | #include <boost/phoenix/operator.hpp> |
53 | #include <boost/phoenix/scope.hpp> |
54 | #include <boost/thread.hpp> |
55 | |
56 | static const int number_of_calls_per_thread=20000; |
57 | |
58 | struct test_dynamic : boost::phoenix::dynamic<int> |
59 | { |
60 | // test_dynamic() : b(*this) {} |
61 | test_dynamic() : b(init<0>(scope: this)) {} |
62 | member1 b; |
63 | }; |
64 | |
65 | void |
66 | in_thread(void) |
67 | { |
68 | test_dynamic s; // should now be a local |
69 | |
70 | for (int i = 0; i < number_of_calls_per_thread; ++i) |
71 | { |
72 | boost::phoenix::dynamic_frame<test_dynamic::self_type> frame(s); |
73 | (s.b = 123)(); |
74 | { |
75 | boost::phoenix::dynamic_frame<test_dynamic::self_type> frame(s); |
76 | (s.b = 456)(); |
77 | BOOST_ASSERT((s.b == 456)()); |
78 | } |
79 | BOOST_ASSERT((s.b == 123)()); |
80 | } |
81 | } |
82 | |
83 | void |
84 | bug_000008() |
85 | { |
86 | boost::thread t1(in_thread); |
87 | boost::thread t2(in_thread); |
88 | boost::thread t3(in_thread); |
89 | boost::thread t4(in_thread); |
90 | |
91 | t1.join(); |
92 | t2.join(); |
93 | t3.join(); |
94 | t4.join(); |
95 | } |
96 | |
97 | int |
98 | main() |
99 | { |
100 | bug_000008(); |
101 | return boost::report_errors(); |
102 | } |
103 | |
104 | #endif |
105 | |
106 |