libstdc++-v3/testsuite/30_threads/shared_lock/locking/3.cc

   1 // { dg-do run }
   2 // { dg-options "-pthread"  }
   3 // { dg-require-effective-target c++14 }
   4 // { dg-require-effective-target pthread }
   5
   6 // Copyright (C) 2013-2019 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 <shared_mutex>
  26 #include <system_error>
  27 #include <testsuite_hooks.h>
  28
  29 int main()
  30 {
  31   typedef std::shared_timed_mutex mutex_type;
  32   typedef std::shared_lock<mutex_type> lock_type;
  33
  34   try
  35     {
  36       mutex_type m;
  37       lock_type l(m, std::defer_lock);
  38
  39       try
  40         {
  41           l.try_lock_for(std::chrono::milliseconds(100));
  42         }
  43       catch(const std::system_error&)
  44         {
  45           VERIFY( false );
  46         }
  47       catch (...)
  48         {
  49           VERIFY( false );
  50         }
  51
  52       VERIFY( l.owns_lock() );
  53     }
  54   catch (const std::system_error&)
  55     {
  56       VERIFY( false );
  57     }
  58   catch (...)
  59     {
  60       VERIFY( false );
  61     }
  62
  63   return 0;
  64 }