2 // { dg-options "-pthread" }
3 // { dg-require-effective-target c++11 }
4 // { dg-require-effective-target pthread }
5 // { dg-require-gthreads "" }
7 // Copyright (C) 2008-2018 Free Software Foundation, Inc.
9 // This file is part of the GNU ISO C++ Library. This library is free
10 // software; you can redistribute it and/or modify it under the
11 // terms of the GNU General Public License as published by the
12 // Free Software Foundation; either version 3, or (at your option)
15 // This library is distributed in the hope that it will be useful,
16 // but WITHOUT ANY WARRANTY; without even the implied warranty of
17 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 // GNU General Public License for more details.
20 // You should have received a copy of the GNU General Public License along
21 // with this library; see the file COPYING3. If not see
22 // <http://www.gnu.org/licenses/>.
26 #include <system_error>
27 #include <testsuite_hooks.h>
31 user_lock() : is_locked(false) { }
32 ~user_lock() = default;
33 user_lock(const user_lock
&) = default;
42 { return is_locked
? false : (is_locked
= true); }
59 std::recursive_mutex m2
;
65 int result
= std::try_lock(m1
, m2
, m3
);
66 VERIFY( result
== -1 );
71 catch (const std::system_error
& e
)
76 catch (const std::system_error
& e
)