blob: 94d790e0e59e3eb7d0e70d528a0f27a3fd8be781 (
plain)
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
|
//===----------------------------------------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
// Copyright (C) 2011 Vicente J. Botet Escriba
//
// 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)
// <boost/thread/timed_mutex.hpp>
// class timed_mutex;
// template <class Rep, class Period>
// bool try_lock_for(const chrono::duration<Rep, Period>& rel_time);
#include <boost/thread/mutex.hpp>
#include <boost/thread/thread.hpp>
#include <boost/detail/lightweight_test.hpp>
#include "../../../timming.hpp"
#if defined BOOST_THREAD_USES_CHRONO
boost::timed_mutex m;
typedef boost::chrono::high_resolution_clock Clock;
typedef Clock::time_point time_point;
typedef Clock::duration duration;
typedef boost::chrono::milliseconds ms;
typedef boost::chrono::nanoseconds ns;
time_point t0;
time_point t1;
const ms max_diff(BOOST_THREAD_TEST_TIME_MS);
void f1()
{
t0 = Clock::now();
BOOST_TEST(m.try_lock_for(ms(750)) == true);
t1 = Clock::now();
m.unlock();
}
void f2()
{
t0 = Clock::now();
BOOST_TEST(m.try_lock_for(ms(250)) == false);
t1 = Clock::now();
ns d = t1 - t0 - ms(250);
BOOST_THREAD_TEST_IT(d, ns(max_diff));
}
int main()
{
{
m.lock();
boost::thread t(f1);
time_point t2 = Clock::now();
boost::this_thread::sleep_for(ms(250));
time_point t3 = Clock::now();
m.unlock();
t.join();
ns sleep_time = t3 - t2;
ns d_ns = t1 - t0 - sleep_time;
ms d_ms = boost::chrono::duration_cast<boost::chrono::milliseconds>(d_ns);
// BOOST_TEST_GE(d_ms.count(), 0);
BOOST_THREAD_TEST_IT(d_ms, max_diff);
BOOST_THREAD_TEST_IT(d_ns, ns(max_diff));
}
{
m.lock();
boost::thread t(f2);
boost::this_thread::sleep_for(ms(750));
m.unlock();
t.join();
}
return boost::report_errors();
}
#else
#error "Test not applicable: BOOST_THREAD_USES_CHRONO not defined for this platform as not supported"
#endif
|
