libs/thread/test/sync/mutual_exclusion/locks/reverse_lock/copy_assign_fail.cpp

   1 // Copyright (C) 2012 Vicente J. Botet Escriba
   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/locks.hpp>
   7
   8 // template <class Mutex> class reverse_lock;
   9
  10 // reverse_lock& operator=(reverse_lock const&) = delete;
  11
  12 #include <boost/thread/locks.hpp>
  13 #include <boost/thread/reverse_lock.hpp>
  14 #include <boost/thread/mutex.hpp>
  15 #include <boost/detail/lightweight_test.hpp>
  16
  17
  18 int main()
  19 {
  20   boost::mutex m0;
  21   boost::mutex m1;
  22   boost::unique_lock<boost::mutex> lk0(m0);
  23   boost::unique_lock<boost::mutex> lk1(m1);
  24   {
  25     boost::reverse_lock<boost::unique_lock<boost::mutex> > lg0(lk0);
  26     boost::reverse_lock<boost::unique_lock<boost::mutex> > lg1(lk1);
  27     lg1 = lg0;
  28   }
  29
  30 }
  31
  32 void remove_unused_warning()
  33 {
  34   //../../../boost/system/error_code.hpp:214:36: warning: Ôboost::system::posix_categoryÕ defined but not used [-Wunused-variable]
  35   //../../../boost/system/error_code.hpp:215:36: warning: Ôboost::system::errno_ecatÕ defined but not used [-Wunused-variable]
  36   //../../../boost/system/error_code.hpp:216:36: warning: Ôboost::system::native_ecatÕ defined but not used [-Wunused-variable]
  37
  38   (void)boost::system::posix_category;
  39   (void)boost::system::errno_ecat;
  40   (void)boost::system::native_ecat;
  41 }