2 // { dg-additional-options "-pthread" { target pthread } }
3 // { dg-require-effective-target c++11 }
4 // { dg-require-gthreads "" }
6 // Copyright (C) 2008-2024 Free Software Foundation, Inc.
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)
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.
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/>.
25 #include <system_error>
26 #include <testsuite_hooks.h>
30 typedef std::mutex mutex_type
;
31 typedef std::unique_lock
<mutex_type
> lock_type
;
35 mutex_type m1
, m2
, m3
;
36 lock_type
l1(m1
, std::defer_lock
),
37 l2(m2
, std::defer_lock
),
38 l3(m3
, std::defer_lock
);
42 int result
= std::try_lock(l1
, l2
, l3
);
43 VERIFY( result
== -1 );
45 catch (const std::system_error
& e
)
50 catch (const std::system_error
& e
)