1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
|
// Distributed under the Boost Software License, Version 1.0. (See
// accompanying file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt)
// (C) Copyright 2013 Vicente J. Botet Escriba
#define BOOST_THREAD_PROVIDES_INTERRUPTIONS
#include <boost/thread/detail/config.hpp>
#include <boost/thread/thread.hpp>
#include <boost/thread/completion_latch.hpp>
#include <boost/detail/lightweight_test.hpp>
#include <vector>
namespace
{
// Shared variables for generation completion_latch test
const int N_THREADS = 10;
boost::completion_latch gen_latch(N_THREADS);
boost::mutex mutex;
long global_parameter;
void latch_thread()
{
{
boost::unique_lock<boost::mutex> lock(mutex);
global_parameter++;
}
gen_latch.count_down();
//do something else
}
} // namespace
void test_global_parameter()
{
boost::unique_lock<boost::mutex> lock(mutex);
BOOST_TEST_EQ(global_parameter, N_THREADS);
}
void reset_gen_latch()
{
{
boost::unique_lock<boost::mutex> lock(mutex);
BOOST_TEST_EQ(global_parameter, N_THREADS);
}
gen_latch.reset(N_THREADS);
}
void test_completion_latch_reset()
{
boost::thread_group g;
boost::thread_group g2;
gen_latch.then(&reset_gen_latch);
{
global_parameter = 0;
try
{
for (int i = 0; i < N_THREADS; ++i)
g.create_thread(&latch_thread);
if (!gen_latch.try_wait())
if (gen_latch.wait_for(boost::chrono::milliseconds(100)) == boost::cv_status::timeout)
if (gen_latch.wait_until(boost::chrono::steady_clock::now()+boost::chrono::milliseconds(100)) == boost::cv_status::timeout)
gen_latch.wait(); // All the threads have been updated the global_parameter
g.join_all();
}
catch (...)
{
BOOST_TEST(false);
g.interrupt_all();
g.join_all();
//throw;
}
}
gen_latch.then(&test_global_parameter);
{
global_parameter = 0;
try
{
for (int i = 0; i < N_THREADS; ++i)
g2.create_thread(&latch_thread);
if (!gen_latch.try_wait())
gen_latch.wait(); // All the threads have been updated the global_parameter
g2.join_all();
}
catch (...)
{
BOOST_TEST(false);
g2.interrupt_all();
g2.join_all();
//throw;
}
}
}
int main()
{
test_completion_latch_reset();
return boost::report_errors();
}
|
