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20deb9d4 | 1 | // -*- C++ -*- |
2 | // Utilities for testing threads for the C++ library testsuite. | |
3 | // | |
f1717362 | 4 | // Copyright (C) 2009-2016 Free Software Foundation, Inc. |
20deb9d4 | 5 | // |
6 | // This file is part of the GNU ISO C++ Library. This library is free | |
7 | // software; you can redistribute it and/or modify it under the | |
8 | // terms of the GNU General Public License as published by the | |
6bc9506f | 9 | // Free Software Foundation; either version 3, or (at your option) |
20deb9d4 | 10 | // any later version. |
11 | // | |
12 | // This library is distributed in the hope that it will be useful, | |
13 | // but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | // GNU General Public License for more details. | |
16 | // | |
17 | // You should have received a copy of the GNU General Public License along | |
6bc9506f | 18 | // with this library; see the file COPYING3. If not see |
19 | // <http://www.gnu.org/licenses/>. | |
20deb9d4 | 20 | // |
20deb9d4 | 21 | |
22 | #ifndef _GLIBCXX_TESTSUITE_THREAD_H | |
23 | #define _GLIBCXX_TESTSUITE_THREAD_H | |
24 | ||
25 | #include <sstream> | |
26 | #include <stdexcept> | |
27 | #include <type_traits> | |
28 | ||
29 | // C++0x only. | |
30 | namespace __gnu_test | |
31 | { | |
32 | // Assume _Tp::native_handle_type. | |
2db33624 | 33 | // Check C++ to native_handle_type characteristics: size and alignment. |
20deb9d4 | 34 | template<typename _Tp> |
35 | void | |
2db33624 | 36 | compare_type_to_native_type() |
20deb9d4 | 37 | { |
38 | typedef _Tp test_type; | |
20deb9d4 | 39 | |
40 | // Remove possible pointer type. | |
2db33624 | 41 | typedef typename test_type::native_handle_type native_handle; |
42 | typedef typename std::remove_pointer<native_handle>::type native_type; | |
43 | ||
44 | int st = sizeof(test_type); | |
45 | int snt = sizeof(native_type); | |
46 | int at = __alignof__(test_type); | |
47 | int ant = __alignof__(native_type); | |
48 | if (st != snt || at != ant) | |
20deb9d4 | 49 | { |
50 | std::ostringstream s; | |
51 | s << std::endl; | |
52 | s << "size of _Tp: " << st << std::endl; | |
2db33624 | 53 | s << "alignment of _Tp: " << st << std::endl; |
20deb9d4 | 54 | s << "size of *(_Tp::native_handle_type): " << snt << std::endl; |
2db33624 | 55 | s << "alignment of *(_Tp::native_handle_type): " << snt << std::endl; |
20deb9d4 | 56 | throw std::runtime_error(s.str()); |
57 | } | |
58 | } | |
59 | } // namespace __gnu_test | |
60 | ||
61 | #endif // _GLIBCXX_TESTSUITE_THREAD_H | |
62 |