libstdc++-v3/testsuite/30_threads/thread/cons/9.cc

   1 // { dg-do run { target *-*-freebsd* *-*-netbsd* *-*-linux* *-*-solaris* *-*-cygwin *-*-darwin* powerpc-ibm-aix* } }
   2 // { dg-options " -std=gnu++0x -pthread" { target *-*-freebsd* *-*-netbsd* *-*-linux* powerpc-ibm-aix* } }
   3 // { dg-options " -std=gnu++0x -pthreads" { target *-*-solaris* } }
   4 // { dg-options " -std=gnu++0x " { target *-*-cygwin *-*-darwin* } }
   5 // { dg-require-cstdint "" }
   6 // { dg-require-gthreads "" }
   7
   8 // Copyright (C) 2009, 2010, 2011, 2012 Free Software Foundation, Inc.
   9 //
  10 // This file is part of the GNU ISO C++ Library.  This library is free
  11 // software; you can redistribute it and/or modify it under the
  12 // terms of the GNU General Public License as published by the
  13 // Free Software Foundation; either version 3, or (at your option)
  14 // any later version.
  15
  16 // This library is distributed in the hope that it will be useful,
  17 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  18 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  19 // GNU General Public License for more details.
  20
  21 // You should have received a copy of the GNU General Public License along
  22 // with this library; see the file COPYING3.  If not see
  23 // <http://www.gnu.org/licenses/>.
  24
  25
  26 #include <thread>
  27 #include <system_error>
  28 #include <testsuite_hooks.h>
  29
  30 int total = 0;
  31
  32 // Functor has internal state.
  33 struct moveable
  34 {
  35   int i;
  36
  37   moveable() = default;
  38   ~moveable() = default;
  39   moveable(const moveable& c) = delete;
  40   moveable& operator=(const moveable&) = delete;
  41
  42   moveable(int j): i(j) { }
  43   moveable(moveable&& m): i(m.i) { }
  44
  45   void operator()() const { total += i; }
  46 };
  47
  48 // Two threads called by same functor type, different functor objects
  49 // that have different state. Make sure each thread calls the correct
  50 // functor.
  51 void test09()
  52 {
  53   bool test __attribute__((unused)) = true;
  54
  55   try
  56     {
  57       // first
  58       moveable m1(60);
  59       std::thread t1(std::move(m1));
  60       t1.join();
  61       VERIFY( total == 60 );
  62
  63       // second
  64       moveable m2(600);
  65       std::thread t2(std::move(m2));
  66       t2.join();
  67       VERIFY( total == 660 ); // Not 120...
  68     }
  69   catch (const std::system_error&)
  70     {
  71       VERIFY( false );
  72     }
  73   catch (...)
  74     {
  75       VERIFY( false );
  76     }
  77 }
  78
  79 int main()
  80 {
  81   test09();
  82   return 0;
  83 }