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

   1 // { dg-do run { target *-*-freebsd* *-*-netbsd* *-*-linux* *-*-gnu* *-*-solaris* *-*-cygwin *-*-darwin* powerpc-ibm-aix* } }
   2 // { dg-options " -std=gnu++0x -pthread" { target *-*-freebsd* *-*-netbsd* *-*-linux* *-*-gnu* 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 // { dg-require-atomic-builtins "" }
   8 // { dg-require-sleep "" }
   9
  10 // Copyright (C) 2012-2014 Free Software Foundation, Inc.
  11 //
  12 // This file is part of the GNU ISO C++ Library.  This library is free
  13 // software; you can redistribute it and/or modify it under the
  14 // terms of the GNU General Public License as published by the
  15 // Free Software Foundation; either version 3, or (at your option)
  16 // any later version.
  17
  18 // This library is distributed in the hope that it will be useful,
  19 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  20 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  21 // GNU General Public License for more details.
  22
  23 // You should have received a copy of the GNU General Public License along
  24 // with this library; see the file COPYING3.  If not see
  25 // <http://www.gnu.org/licenses/>.
  26
  27 #include <chrono>
  28 #include <thread>
  29 #include <future>
  30 #include <set>
  31 #include <testsuite_hooks.h>
  32
  33 struct Task;
  34
  35 std::set<const Task*> dead_tasks;
  36
  37 struct Task
  38 {
  39   ~Task() { dead_tasks.insert(this); }
  40
  41   void operator()() const
  42   {
  43     std::this_thread::sleep_for(std::chrono::seconds(1));
  44     VERIFY( dead_tasks.count(this) == 0 );
  45   }
  46 };
  47
  48 int main()
  49 {
  50   std::async(std::launch::async, Task());
  51 }