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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/thread.hpp>

#include <boost/thread/tss.hpp>

#include <cassert>

boost::thread_specific_ptr<int> value;

void increment()

{

int* p = value.get();

++*p;

}

void thread_proc()

{

value.reset(new int(0)); // initialize the thread's storage

for (int i=0; i<10; ++i)

{

increment();

int* p = value.get();

assert(*p == i+1);

(void)(p);

}

}

int main()

{

boost::thread_group threads;

for (int i=0; i<5; ++i)

threads.create_thread(&thread_proc);

threads.join_all();

}