|  | // { dg-do run } | 
|  | // { dg-additional-options "-pthread" { target pthread } } | 
|  | // { dg-require-effective-target c++11 } | 
|  | // { dg-require-gthreads "" } | 
|  |  | 
|  | // Copyright (C) 2008-2021 Free Software Foundation, Inc. | 
|  | // | 
|  | // This file is part of the GNU ISO C++ Library.  This library is free | 
|  | // software; you can redistribute it and/or modify it under the | 
|  | // terms of the GNU General Public License as published by the | 
|  | // Free Software Foundation; either version 3, or (at your option) | 
|  | // any later version. | 
|  |  | 
|  | // This library is distributed in the hope that it will be useful, | 
|  | // but WITHOUT ANY WARRANTY; without even the implied warranty of | 
|  | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the | 
|  | // GNU General Public License for more details. | 
|  |  | 
|  | // You should have received a copy of the GNU General Public License along | 
|  | // with this library; see the file COPYING3.  If not see | 
|  | // <http://www.gnu.org/licenses/>. | 
|  |  | 
|  |  | 
|  | #include <thread> | 
|  | #include <system_error> | 
|  | #include <testsuite_hooks.h> | 
|  |  | 
|  | int main() | 
|  | { | 
|  | try | 
|  | { | 
|  | std::thread::id id = std::this_thread::get_id(); | 
|  | VERIFY( id != std::thread::id() ); | 
|  | } | 
|  | catch (const std::system_error&) | 
|  | { | 
|  | VERIFY( false ); | 
|  | } | 
|  | catch (...) | 
|  | { | 
|  | VERIFY( false ); | 
|  | } | 
|  |  | 
|  | return 0; | 
|  | } |