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// Copyright (C) 2001-2003
// William E. Kempf
//
// Permission to use, copy, modify, distribute and sell this software
// and its documentation for any purpose is hereby granted without fee,
// provided that the above copyright notice appear in all copies and
// that both that copyright notice and this permission notice appear
// in supporting documentation. William E. Kempf makes no representations
// about the suitability of this software for any purpose.
// It is provided "as is" without express or implied warranty.
#include <boost/thread/detail/config.hpp>
#include <boost/thread/thread.hpp>
#include <boost/thread/barrier.hpp>
#include <boost/test/unit_test.hpp>
namespace {
// Shared variables for generation barrier test
const int N_THREADS=10;
boost::barrier gen_barrier(N_THREADS);
boost::mutex mutex;
long global_parameter;
void barrier_thread()
{
for (int i = 0; i < 5; ++i)
{
if (gen_barrier.wait())
{
boost::mutex::scoped_lock lock(mutex);
global_parameter++;
}
}
}
} // namespace
void test_barrier()
{
boost::thread_group g;
global_parameter = 0;
for (int i = 0; i < N_THREADS; ++i)
g.create_thread(&barrier_thread);
g.join_all();
BOOST_CHECK(global_parameter == 5);
}
boost::unit_test_framework::test_suite* init_unit_test_suite(int, char*[])
{
boost::unit_test_framework::test_suite* test =
BOOST_TEST_SUITE("Boost.Threads: barrier test suite");
test->add(BOOST_TEST_CASE(&test_barrier));
return test;
}
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