// 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);
 }
}

int main(int argc, char* argv[])
{
 boost::thread_group threads;
 for (int i=0; i<5; ++i)
 threads.create_thread(&thread_proc);
 threads.join_all();
}