| 1 | // Copyright (C) 2001-2003 |
|---|---|
| 2 | // William E. Kempf |
| 3 | // (C) Copyright 2013 Vicente J. Botet Escriba |
| 4 | // |
| 5 | // Distributed under the Boost Software License, Version 1.0. (See accompanying |
| 6 | // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) |
| 7 | |
| 8 | #define BOOST_THREAD_PROVIDES_INTERRUPTIONS |
| 9 | |
| 10 | #include <boost/thread/detail/config.hpp> |
| 11 | |
| 12 | #include <boost/thread/thread.hpp> |
| 13 | #include <boost/thread/barrier.hpp> |
| 14 | |
| 15 | #include <boost/detail/lightweight_test.hpp> |
| 16 | #include <vector> |
| 17 | |
| 18 | namespace { |
| 19 | |
| 20 | // Shared variables for generation barrier test |
| 21 | const int N_THREADS=3; |
| 22 | boost::barrier gen_barrier(N_THREADS); |
| 23 | boost::mutex mutex; |
| 24 | long global_parameter; |
| 25 | |
| 26 | void barrier_thread() |
| 27 | { |
| 28 | for (int i = 0; i < 5; ++i) |
| 29 | { |
| 30 | if (gen_barrier.wait()) |
| 31 | { |
| 32 | boost::unique_lock<boost::mutex> lock(mutex); |
| 33 | global_parameter++; |
| 34 | } |
| 35 | } |
| 36 | } |
| 37 | |
| 38 | } // namespace |
| 39 | |
| 40 | void test_barrier() |
| 41 | { |
| 42 | boost::thread_group g; |
| 43 | global_parameter = 0; |
| 44 | |
| 45 | try |
| 46 | { |
| 47 | for (int i = 0; i < N_THREADS; ++i) |
| 48 | g.create_thread(threadfunc: &barrier_thread); |
| 49 | g.join_all(); |
| 50 | } |
| 51 | catch(...) |
| 52 | { |
| 53 | BOOST_TEST(false); |
| 54 | g.interrupt_all(); |
| 55 | g.join_all(); |
| 56 | //throw; |
| 57 | } |
| 58 | |
| 59 | BOOST_TEST(global_parameter==5); |
| 60 | |
| 61 | } |
| 62 | |
| 63 | int main() |
| 64 | { |
| 65 | |
| 66 | test_barrier(); |
| 67 | return boost::report_errors(); |
| 68 | } |
| 69 | |
| 70 |