| 1 | // Copyright (C) 2010 Vicente Botet |
|---|---|
| 2 | // |
| 3 | // Distributed under the Boost Software License, Version 1.0. (See accompanying |
| 4 | // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) |
| 5 | |
| 6 | #include <boost/thread/shared_mutex.hpp> |
| 7 | #include <boost/thread/locks.hpp> |
| 8 | |
| 9 | // Including this will cause ambiguous errors in boost::move |
| 10 | #include <boost/unordered_map.hpp> |
| 11 | |
| 12 | using namespace boost; |
| 13 | |
| 14 | typedef upgrade_lock<shared_mutex> auto_upgrade_lock; |
| 15 | typedef upgrade_to_unique_lock<shared_mutex> auto_upgrade_unique_lock; |
| 16 | |
| 17 | void testUpgrade(void) |
| 18 | { |
| 19 | shared_mutex mtx; |
| 20 | auto_upgrade_lock lock(mtx); |
| 21 | // Do some read-only stuff |
| 22 | |
| 23 | auto_upgrade_unique_lock writeLock(lock); |
| 24 | // Do some write-only stuff with the upgraded lock |
| 25 | } |
| 26 | |
| 27 | int main() |
| 28 | { |
| 29 | testUpgrade(); |
| 30 | return 0; |
| 31 | } |
| 32 |