libstdc++-v3/testsuite/30_threads/shared_lock/cons/4.cc

   1 // { dg-do run { target *-*-freebsd* *-*-netbsd* *-*-linux* *-*-solaris* *-*-cygwin *-*-darwin* powerpc-ibm-aix* } }
   2 // { dg-options " -std=gnu++1y -pthread" { target *-*-freebsd* *-*-netbsd* *-*-linux* powerpc-ibm-aix* } }
   3 // { dg-options " -std=gnu++1y -pthreads" { target *-*-solaris* } }
   4 // { dg-options " -std=gnu++1y " { target *-*-cygwin *-*-darwin* } }
   5 // { dg-require-cstdint "" }
   6 // { dg-require-gthreads "" }
   7
   8 // Copyright (C) 2013 Free Software Foundation, Inc.
   9 //
  10 // This file is part of the GNU ISO C++ Library.  This library is free
  11 // software; you can redistribute it and/or modify it under the
  12 // terms of the GNU General Public License as published by the
  13 // Free Software Foundation; either version 3, or (at your option)
  14 // any later version.
  15
  16 // This library is distributed in the hope that it will be useful,
  17 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  18 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  19 // GNU General Public License for more details.
  20
  21 // You should have received a copy of the GNU General Public License along
  22 // with this library; see the file COPYING3.  If not see
  23 // <http://www.gnu.org/licenses/>.
  24
  25
  26 #include <shared_mutex>
  27 #include <system_error>
  28 #include <testsuite_hooks.h>
  29
  30 int main()
  31 {
  32   bool test __attribute__((unused)) = true;
  33   typedef std::shared_mutex mutex_type;
  34   typedef std::shared_lock<mutex_type> lock_type;
  35
  36   try
  37     {
  38       mutex_type m;
  39       lock_type lock(m, std::try_to_lock);
  40
  41       VERIFY( lock.owns_lock() );
  42       VERIFY( (bool)lock );
  43     }
  44   catch (const std::system_error& e)
  45     {
  46       VERIFY( false );
  47     }
  48   catch (...)
  49     {
  50       VERIFY( false );
  51     }
  52
  53   return 0;
  54 }