libstdc++-v3/testsuite/30_threads/shared_future/members/wait.cc

   1 // { dg-do run { target *-*-freebsd* *-*-dragonfly* *-*-netbsd* *-*-linux* *-*-gnu* *-*-solaris* *-*-cygwin *-*-darwin* powerpc-ibm-aix* } }
   2 // { dg-options " -std=gnu++0x -pthread" { target *-*-freebsd* *-*-dragonfly* *-*-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
   9 // Copyright (C) 2009-2014 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
  27 #include <future>
  28 #include <thread>
  29 #include <mutex>
  30 #include <testsuite_hooks.h>
  31
  32 void fut_wait(std::shared_future<void> f)
  33 {
  34   f.wait();
  35 }
  36
  37 void test01()
  38 {
  39   std::promise<void> p1;
  40   std::shared_future<void> f1(p1.get_future());
  41
  42   std::thread t1(fut_wait, f1);
  43   std::thread t2(fut_wait, f1);
  44   std::thread t3(fut_wait, f1);
  45
  46   p1.set_value();
  47   t1.join();
  48   t2.join();
  49   t3.join();
  50 }
  51
  52 int main()
  53 {
  54   test01();
  55   return 0;
  56 }