]>
git.ipfire.org Git - thirdparty/gcc.git/blob - libstdc++-v3/testsuite/30_threads/thread/cons/4.cc
2 // { dg-options "-pthread" }
3 // { dg-require-effective-target c++11 }
4 // { dg-require-effective-target pthread }
5 // { dg-require-gthreads "" }
7 // Copyright (C) 2008-2019 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/>.
25 #include <functional> // std::unary_function, std::ref, std::cref
27 #include <system_error>
28 #include <testsuite_hooks.h>
30 struct noncopyable
: std::unary_function
<std::thread::id
&, void>
32 noncopyable() = default;
33 ~noncopyable() = default;
34 noncopyable(const noncopyable
&) = delete;
35 noncopyable
& operator=(const noncopyable
&) = delete;
36 void operator()(std::thread::id
& id
) const
38 id
= std::this_thread::get_id();
42 // same as 3, but function is noncopyable function object
43 // thread variadic cons not copied when std::ref
44 // thread variadic cons copied when not std::ref
45 // thread variadic cons not copied when std::cref
46 // thread variadic cons copied when not std::cref
52 std::thread::id t1_id1
;
54 std::thread
t1(std::ref(nc1
), std::ref(t1_id1
));
55 std::thread::id t1_id2
= t1
.get_id();
56 VERIFY( t1
.joinable() );
58 VERIFY( !t1
.joinable() );
59 VERIFY( t1_id1
== t1_id2
);
61 std::thread::id t2_id1
;
63 std::thread
t2(std::cref(nc2
), std::ref(t2_id1
));
64 std::thread::id t2_id2
= t2
.get_id();
65 VERIFY( t2
.joinable() );
67 VERIFY( !t2
.joinable() );
68 VERIFY( t2_id1
== t2_id2
);
70 catch(const std::system_error
&)