ceph/src/boost/libs/exception/example/cloning_2.cpp

   1 //Copyright (c) 2006-2009 Emil Dotchevski and Reverge Studios, Inc.
   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 //This example shows how to transport cloning-enabled boost::exceptions between threads.
   7
   8 #include <boost/exception_ptr.hpp>
   9 #include <boost/thread.hpp>
  10 #include <boost/bind.hpp>
  11
  12 void do_work(); //throws cloning-enabled boost::exceptions
  13
  14 void
  15 worker_thread( boost::exception_ptr & error )
  16     {
  17     try
  18         {
  19         do_work();
  20         error = boost::exception_ptr();
  21         }
  22     catch(
  23     ... )
  24         {
  25         error = boost::current_exception();
  26         }
  27     }
  28
  29 // ...continued
  30
  31 void
  32 work()
  33     {
  34     boost::exception_ptr error;
  35     boost::thread t( boost::bind(worker_thread,boost::ref(error)) );
  36     t.join();
  37     if( error )
  38         boost::rethrow_exception(error);
  39     }