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Viewing changes to deps/boost_intern/src/thread/test/sync/mutual_exclusion/locks/upgrade_lock/mod/non_member_swap_pass.cpp

  • Committer: Package Import Robot
  • Author(s): Mattias Ellert
  • Date: 2015-07-31 13:17:55 UTC
  • mfrom: (5.1.3 sid)
  • Revision ID: package-import@ubuntu.com-20150731131755-mizprbmn7ogv33te
Tags: 0.4.1-1
* Update to version 0.4.1
* Implement Multi-Arch support

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deps/boost_intern/src/thread/test/sync/mutual_exclusion/locks/upgrade_lock/mod/non_member_swap_pass.cpp
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//===----------------------------------------------------------------------===//
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//
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//                     The LLVM Compiler Infrastructure
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//
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// This file is dual licensed under the MIT and the University of Illinois Open
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// Source Licenses. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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// Copyright (C) 2011 Vicente J. Botet Escriba
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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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// <boost/thread/locks.hpp>
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// template <class Mutex>
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//   void swap(upgrade_lock<Mutex>& x, upgrade_lock<Mutex>& y);
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#include <boost/thread/lock_types.hpp>
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#include <boost/detail/lightweight_test.hpp>
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struct shared_mutex
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{
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  void lock_upgrade()
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  {
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  }
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  void unlock_upgrade()
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  {
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  }
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};
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shared_mutex m;
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int main()
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{
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  boost::upgrade_lock<shared_mutex> lk1(m);
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  boost::upgrade_lock<shared_mutex> lk2;
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  swap(lk1, lk2);
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  BOOST_TEST(lk1.mutex() == 0);
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  BOOST_TEST(lk1.owns_lock() == false);
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  BOOST_TEST(lk2.mutex() == &m);
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  BOOST_TEST(lk2.owns_lock() == true);
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  return boost::report_errors();
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}
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