ceph/src/boost/libs/thread/test/sync/mutual_exclusion/locks/lock_guard/lock_guard_adopt_lock_compile_pass.cpp

   1 // Copyright (C) 2018 Tom Hughes
   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 // <boost/thread/lock_guard.hpp>
   7
   8 // template <class Mutex> class lock_guard;
   9
  10 // lock_guard(Mutex& m_, adopt_lock_t)
  11
  12 #include <boost/thread/lock_guard.hpp>
  13 #include <boost/thread/mutex.hpp>
  14 #include <boost/detail/lightweight_test.hpp>
  15
  16 boost::mutex m;
  17
  18 void pass()
  19 {
  20   m.lock();
  21   boost::lock_guard<boost::mutex> lk(m, boost::adopt_lock);
  22 }