32 lines
771 B
C++
32 lines
771 B
C++
// Copyright (C) 2010 Vicente Botet
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//
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// Distributed under the Boost Software License, Version 1.0. (See accompanying
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// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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#include <boost/thread/shared_mutex.hpp>
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#include <boost/thread/locks.hpp>
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// Including this will cause ambiguous errors in boost::move
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#include <boost/unordered_map.hpp>
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using namespace boost;
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typedef upgrade_lock<shared_mutex> auto_upgrade_lock;
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typedef upgrade_to_unique_lock<shared_mutex> auto_upgrade_unique_lock;
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void testUpgrade(void)
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{
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shared_mutex mtx;
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auto_upgrade_lock lock(mtx);
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// Do some read-only stuff
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auto_upgrade_unique_lock writeLock(lock);
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// Do some write-only stuff with the upgraded lock
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}
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int main()
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{
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testUpgrade();
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return 0;
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}
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