thread/test/test_latch.cpp at develop · boostorg/thread · GitHub

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// 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)

#define BOOST_THREAD_PROVIDES_INTERRUPTIONS

#include <boost/thread/detail/config.hpp>

#include <boost/thread/thread.hpp>

#include <boost/thread/latch.hpp>

#include <boost/core/lightweight_test.hpp>

#include <vector>

namespace

{

// Shared variables for generation latch test

const int N_THREADS = 10;

boost::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_latch()

{

boost::thread_group g;

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

BOOST_TEST_EQ(global_parameter, N_THREADS);

g.join_all();

}

catch (...)

{

BOOST_TEST(false);

g.interrupt_all();

g.join_all();

//throw;

}

int main()

{

test_latch();

return boost::report_errors();

}

thread/test/test_latch.cpp at develop · boostorg/thread · GitHub

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