1 //===----------------------------------------------------------------------===//
2 //
3 //                     The LLVM Compiler Infrastructure
4 //
5 // This file is dual licensed under the MIT and the University of Illinois Open
6 // Source Licenses. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9 
10 // Copyright (C) 2011 Vicente J. Botet Escriba
11 //
12 //  Distributed under the Boost Software License, Version 1.0. (See accompanying
13 //  file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
14 
15 // <boost/thread/recursive_mutex.hpp>
16 
17 // class recursive_timed_mutex;
18 
19 // void lock();
20 
21 #include <boost/thread/recursive_mutex.hpp>
22 #include <boost/thread/thread.hpp>
23 #include <boost/detail/lightweight_test.hpp>
24 #include <iostream>
25 #include "../../../timming.hpp"
26 
27 boost::recursive_timed_mutex m;
28 
29 #if defined BOOST_THREAD_USES_CHRONO
30 typedef boost::chrono::high_resolution_clock Clock;
31 typedef Clock::time_point time_point;
32 typedef Clock::duration duration;
33 typedef boost::chrono::milliseconds ms;
34 typedef boost::chrono::nanoseconds ns;
35 time_point t0;
36 time_point t1;
37 #else
38 #endif
39 
40 const ms max_diff(BOOST_THREAD_TEST_TIME_MS);
41 
f()42 void f()
43 {
44 #if defined BOOST_THREAD_USES_CHRONO
45   t0 = Clock::now();
46   m.lock();
47   t1 = Clock::now();
48   m.lock();
49   m.unlock();
50   m.unlock();
51 #else
52   //time_point t0 = Clock::now();
53   m.lock();
54   //time_point t1 = Clock::now();
55   m.lock();
56   m.unlock();
57   m.unlock();
58   //ns d = t1 - t0 - ms(250);
59   //BOOST_TEST(d < max_diff);
60 #endif
61 }
62 
main()63 int main()
64 {
65   m.lock();
66   boost::thread t(f);
67 #if defined BOOST_THREAD_USES_CHRONO
68   time_point t2 = Clock::now();
69   boost::this_thread::sleep_for(ms(250));
70   time_point t3 = Clock::now();
71 #else
72 #endif
73   m.unlock();
74   t.join();
75 
76 #if defined BOOST_THREAD_USES_CHRONO
77   ns sleep_time = t3 - t2;
78   ns d_ns = t1 - t0 - sleep_time;
79   ms d_ms = boost::chrono::duration_cast<boost::chrono::milliseconds>(d_ns);
80   // BOOST_TEST_GE(d_ms.count(), 0);
81   BOOST_THREAD_TEST_IT(d_ms, max_diff);
82   BOOST_THREAD_TEST_IT(d_ns, ns(max_diff));
83 #endif
84 
85   return boost::report_errors();
86 }
87 
88 
89