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//---------------------------------------------------------------------------//
// Copyright (c) 2019 Anthony Chang <ac.chang@outlook.com>
//
// 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
//
// See http://boostorg.github.com/compute for more information.
//---------------------------------------------------------------------------//
#define BOOST_TEST_MODULE TestAttachUserQueueThreadSafety
#ifdef BOOST_COMPUTE_USE_CPP11
#include <thread>
using std::thread;
#else
#include <boost/thread.hpp>
using boost::thread;
#endif
#include <boost/test/unit_test.hpp>
#include <boost/compute/context.hpp>
#include <boost/compute/device.hpp>
#include <boost/compute/system.hpp>
namespace compute = boost::compute;
void attach_user_queue_worker_threads(
int id,
const compute::context& user_context,
const compute::device& user_device,
compute::command_queue* queues)
{
compute::command_queue user_queue(user_context, user_device);
queues[id] = compute::system::default_queue(user_queue);
}
BOOST_AUTO_TEST_CASE(user_default_context_thread_safety)
{
#if defined(BOOST_COMPUTE_THREAD_SAFE) && defined(NDEBUG)
const int num_threads = 16;
compute::command_queue queues[num_threads];
thread* threads[num_threads];
compute::device user_device = compute::system::devices().front();
compute::context user_context(user_device);
for (int i = 0; i < num_threads; i++)
{
threads[i] = new thread(
attach_user_queue_worker_threads,
i,
user_context,
user_device,
queues
);
}
for (int i = 0; i < num_threads; i++)
{
threads[i]->join();
delete threads[i];
}
BOOST_CHECK_EQUAL(compute::system::default_context().get(), user_context.get());
BOOST_CHECK_EQUAL(compute::system::default_device().get(), user_device.get());
for (int i = 1; i < num_threads; i++)
{
BOOST_CHECK_EQUAL(queues[0].get(), queues[i].get());
}
#endif // defined(BOOST_COMPUTE_THREAD_SAFE) && defined(NDEBUG)
}
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