libstdc++-v3/testsuite/30_threads/this_thread/sleep_for-mt.cc

   1 // { dg-do run }
   2 // { dg-additional-options "-pthread" { target pthread } }
   3 // { dg-require-effective-target c++11 }
   4 // { dg-require-gthreads "" }
   5 // { dg-require-sleep "" }
   6
   7 // Copyright (C) 2008-2021 Free Software Foundation, Inc.
   8 //
   9 // This file is part of the GNU ISO C++ Library.  This library is free
  10 // software; you can redistribute it and/or modify it under the
  11 // terms of the GNU General Public License as published by the
  12 // Free Software Foundation; either version 3, or (at your option)
  13 // any later version.
  14
  15 // This library is distributed in the hope that it will be useful,
  16 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  17 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18 // GNU General Public License for more details.
  19
  20 // You should have received a copy of the GNU General Public License along
  21 // with this library; see the file COPYING3.  If not see
  22 // <http://www.gnu.org/licenses/>.
  23
  24
  25 #include <chrono>
  26 #include <thread>
  27 #include <system_error>
  28 #include <testsuite_hooks.h>
  29
  30 namespace chr = std::chrono;
  31
  32 void foo()
  33 {
  34   chr::system_clock::time_point begin = chr::system_clock::now();
  35   chr::microseconds ms(500);
  36
  37   std::this_thread::sleep_for(ms);
  38
  39   VERIFY( (chr::system_clock::now() - begin) >= ms );
  40 }
  41
  42 int main()
  43 {
  44   try
  45     {
  46       std::thread t(foo);
  47       t.join();
  48     }
  49   catch (const std::system_error&)
  50     {
  51       VERIFY( false );
  52     }
  53   catch (...)
  54     {
  55       VERIFY( false );
  56     }
  57
  58   return 0;
  59 }