libstdc++-v3/testsuite/30_threads/unique_lock/locking/4.cc

   1 // { dg-do run }
   2 // { dg-additional-options "-pthread" { target pthread } }
   3 // { dg-require-effective-target c++11 }
   4 // { dg-require-gthreads "" }
   5
   6 // Copyright (C) 2008-2024 Free Software Foundation, Inc.
   7 //
   8 // This file is part of the GNU ISO C++ Library.  This library is free
   9 // software; you can redistribute it and/or modify it under the
  10 // terms of the GNU General Public License as published by the
  11 // Free Software Foundation; either version 3, or (at your option)
  12 // any later version.
  13
  14 // This library is distributed in the hope that it will be useful,
  15 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  16 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17 // GNU General Public License for more details.
  18
  19 // You should have received a copy of the GNU General Public License along
  20 // with this library; see the file COPYING3.  If not see
  21 // <http://www.gnu.org/licenses/>.
  22
  23
  24 #include <chrono>
  25 #include <mutex>
  26 #include <system_error>
  27 #include <testsuite_hooks.h>
  28
  29 template <typename clock_type>
  30 void test()
  31 {
  32   typedef std::timed_mutex mutex_type;
  33   typedef std::unique_lock<mutex_type> lock_type;
  34
  35   try
  36     {
  37       mutex_type m;
  38       lock_type l(m, std::defer_lock);
  39       const typename clock_type::time_point t = clock_type::now()
  40         + std::chrono::seconds(1);
  41
  42       try
  43         {
  44           VERIFY( l.try_lock_until(t) );
  45         }
  46       catch(const std::system_error&)
  47         {
  48           VERIFY( false );
  49         }
  50       catch (...)
  51         {
  52           VERIFY( false );
  53         }
  54
  55       VERIFY( l.owns_lock() );
  56     }
  57   catch (const std::system_error& e)
  58     {
  59       VERIFY( false );
  60     }
  61   catch (...)
  62     {
  63       VERIFY( false );
  64     }
  65 }
  66
  67 int main()
  68 {
  69   test<std::chrono::system_clock>();
  70   test<std::chrono::steady_clock>();
  71   return 0;
  72 }