| 1 | // Copyright (C) 2001-2003 |
|---|---|
| 2 | // William E. Kempf |
| 3 | // |
| 4 | // Distributed under the Boost Software License, Version 1.0. (See accompanying |
| 5 | // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) |
| 6 | |
| 7 | #include <boost/thread/thread.hpp> |
| 8 | #include <boost/thread/tss.hpp> |
| 9 | #include <cassert> |
| 10 | |
| 11 | boost::thread_specific_ptr<int> value; |
| 12 | |
| 13 | void increment() |
| 14 | { |
| 15 | int* p = value.get(); |
| 16 | ++*p; |
| 17 | } |
| 18 | |
| 19 | void thread_proc() |
| 20 | { |
| 21 | value.reset(new_value: new int(0)); // initialize the thread's storage |
| 22 | for (int i=0; i<10; ++i) |
| 23 | { |
| 24 | increment(); |
| 25 | int* p = value.get(); |
| 26 | assert(*p == i+1); |
| 27 | (void)(p); |
| 28 | } |
| 29 | } |
| 30 | |
| 31 | int main() |
| 32 | { |
| 33 | boost::thread_group threads; |
| 34 | for (int i=0; i<5; ++i) |
| 35 | threads.create_thread(threadfunc: &thread_proc); |
| 36 | threads.join_all(); |
| 37 | } |
| 38 |