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// Copyright (C) 2001-2003
// William E. Kempf
//
// 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)
#include <boost/thread/detail/config.hpp>
#include <boost/thread/tss.hpp>
#include <boost/thread/mutex.hpp>
#include <boost/thread/thread.hpp>
#include <boost/test/unit_test.hpp>
#include <libs/thread/test/util.inl>
#include <iostream>
#if defined(BOOST_HAS_WINTHREADS)
#define WIN32_LEAN_AND_MEAN
#include <windows.h>
#endif
boost::mutex check_mutex;
boost::mutex tss_mutex;
int tss_instances = 0;
int tss_total = 0;
struct tss_value_t
{
tss_value_t()
{
boost::mutex::scoped_lock lock(tss_mutex);
++tss_instances;
++tss_total;
value = 0;
}
~tss_value_t()
{
boost::mutex::scoped_lock lock(tss_mutex);
--tss_instances;
}
int value;
};
boost::thread_specific_ptr<tss_value_t> tss_value;
void test_tss_thread()
{
tss_value.reset(new tss_value_t());
for (int i=0; i<1000; ++i)
{
int& n = tss_value->value;
// Don't call BOOST_CHECK_EQUAL directly, as it doesn't appear to
// be thread safe. Must evaluate further.
if (n != i)
{
boost::mutex::scoped_lock lock(check_mutex);
BOOST_CHECK_EQUAL(n, i);
}
++n;
}
}
#if defined(BOOST_HAS_WINTHREADS)
typedef HANDLE native_thread_t;
DWORD WINAPI test_tss_thread_native(LPVOID lpParameter)
{
test_tss_thread();
return 0;
}
native_thread_t create_native_thread(void)
{
return CreateThread(
0, //security attributes (0 = not inheritable)
0, //stack size (0 = default)
&test_tss_thread_native, //function to execute
0, //parameter to pass to function
0, //creation flags (0 = run immediately)
0 //thread id (0 = thread id not returned)
);
}
void join_native_thread(native_thread_t thread)
{
DWORD res = WaitForSingleObject(thread, INFINITE);
BOOST_CHECK(res == WAIT_OBJECT_0);
res = CloseHandle(thread);
BOOST_CHECK(SUCCEEDED(res));
}
#endif
void do_test_tss()
{
tss_instances = 0;
tss_total = 0;
const int NUMTHREADS=5;
boost::thread_group threads;
for (int i=0; i<NUMTHREADS; ++i)
threads.create_thread(&test_tss_thread);
threads.join_all();
std::cout
<< "tss_instances = " << tss_instances
<< "; tss_total = " << tss_total
<< "\n";
std::cout.flush();
BOOST_CHECK_EQUAL(tss_instances, 0);
BOOST_CHECK_EQUAL(tss_total, 5);
#if defined(BOOST_HAS_WINTHREADS)
tss_instances = 0;
tss_total = 0;
native_thread_t thread1 = create_native_thread();
BOOST_CHECK(thread1 != 0);
native_thread_t thread2 = create_native_thread();
BOOST_CHECK(thread2 != 0);
native_thread_t thread3 = create_native_thread();
BOOST_CHECK(thread3 != 0);
native_thread_t thread4 = create_native_thread();
BOOST_CHECK(thread3 != 0);
native_thread_t thread5 = create_native_thread();
BOOST_CHECK(thread3 != 0);
join_native_thread(thread5);
join_native_thread(thread4);
join_native_thread(thread3);
join_native_thread(thread2);
join_native_thread(thread1);
std::cout
<< "tss_instances = " << tss_instances
<< "; tss_total = " << tss_total
<< "\n";
std::cout.flush();
// The following is not really an error. TSS cleanup support still is available for boost threads.
// Also this usually will be triggered only when bound to the static version of thread lib.
// 2006-10-02 Roland Schwarz
//BOOST_CHECK_EQUAL(tss_instances, 0);
BOOST_CHECK_MESSAGE(tss_instances == 0, "Support of automatic tss cleanup for native threading API not available");
BOOST_CHECK_EQUAL(tss_total, 5);
#endif
}
void test_tss()
{
timed_test(&do_test_tss, 2);
}
boost::unit_test_framework::test_suite* init_unit_test_suite(int, char*[])
{
boost::unit_test_framework::test_suite* test =
BOOST_TEST_SUITE("Boost.Threads: tss test suite");
test->add(BOOST_TEST_CASE(test_tss));
return test;
}
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