ceph/src/boost/libs/thread/test/threads/thread/members/detach_pass.cpp

   1 //===----------------------------------------------------------------------===//
   2 //
   3 //                     The LLVM Compiler Infrastructure
   4 //
   5 // This file is dual licensed under the MIT and the University of Illinois Open
   6 // Source Licenses. See LICENSE.TXT for details.
   7 //
   8 //===----------------------------------------------------------------------===//
   9 // Copyright (C) 2011 Vicente J. Botet Escriba
  10 //
  11 //  Distributed under the Boost Software License, Version 1.0. (See accompanying
  12 //  file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
  13
  14 // <boost/thread/thread.hpp>
  15
  16 // class thread
  17
  18 // void detach();
  19
  20 #include <boost/thread/thread_only.hpp>
  21 #include <new>
  22 #include <cstdlib>
  23 #include <cassert>
  24 #include <boost/detail/lightweight_test.hpp>
  25
  26 class G
  27 {
  28   int alive_;
  29 public:
  30   static int n_alive;
  31   static bool op_run;
  32
  33   G() :
  34     alive_(1)
  35   {
  36     ++n_alive;
  37   }
  38   G(const G& g) :
  39     alive_(g.alive_)
  40   {
  41     ++n_alive;
  42   }
  43   ~G()
  44   {
  45     alive_ = 0;
  46     --n_alive;
  47   }
  48
  49   void operator()()
  50   {
  51     BOOST_TEST(alive_ == 1);
  52     //BOOST_TEST(n_alive == 1);
  53     op_run = true;
  54   }
  55 };
  56
  57 int G::n_alive = 0;
  58 bool G::op_run = false;
  59
  60 int main()
  61 {
  62   {
  63     boost::thread t0( (G()));
  64     BOOST_TEST(t0.joinable());
  65     t0.detach();
  66     BOOST_TEST(!t0.joinable());
  67 #if defined BOOST_THREAD_USES_CHRONO
  68     boost::this_thread::sleep_for(boost::chrono::milliseconds(250));
  69     BOOST_TEST(G::op_run);
  70     BOOST_TEST(G::n_alive == 0);
  71 #endif
  72   }
  73   return boost::report_errors();
  74 }
  75