libstdc++-v3/testsuite/30_threads/async/54297.cc

   1 // { dg-do run }
   2 // { dg-options "-pthread"  }
   3 // { dg-require-effective-target c++11 }
   4 // { dg-require-effective-target pthread }
   5 // { dg-require-cstdint "" }
   6 // { dg-require-gthreads "" }
   7 // { dg-require-sleep "" }
   8
   9 // Copyright (C) 2012-2018 Free Software Foundation, Inc.
  10 //
  11 // This file is part of the GNU ISO C++ Library.  This library is free
  12 // software; you can redistribute it and/or modify it under the
  13 // terms of the GNU General Public License as published by the
  14 // Free Software Foundation; either version 3, or (at your option)
  15 // any later version.
  16
  17 // This library is distributed in the hope that it will be useful,
  18 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  19 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  20 // GNU General Public License for more details.
  21
  22 // You should have received a copy of the GNU General Public License along
  23 // with this library; see the file COPYING3.  If not see
  24 // <http://www.gnu.org/licenses/>.
  25
  26 #include <chrono>
  27 #include <thread>
  28 #include <future>
  29 #include <set>
  30 #include <testsuite_hooks.h>
  31
  32 struct Task;
  33
  34 std::set<const Task*> dead_tasks;
  35
  36 struct Task
  37 {
  38   ~Task() { dead_tasks.insert(this); }
  39
  40   void operator()() const
  41   {
  42     std::this_thread::sleep_for(std::chrono::seconds(1));
  43     VERIFY( dead_tasks.count(this) == 0 );
  44   }
  45 };
  46
  47 int main()
  48 {
  49   std::async(std::launch::async, Task());
  50 }