projects / thirdparty / gcc.git / blame
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1 | // -*- C++ -*- |
| 2 | // Utilities for testing threads for the C++ library testsuite. | |
| 3 | // | |
| 4 | // Copyright (C) 2009 Free Software Foundation, Inc. | |
| 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 | |
| 748086b7 | 9 | // Free Software Foundation; either version 3, or (at your option) |
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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 | |
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18 | // with this library; see the file COPYING3. If not see |
| 19 | // <http://www.gnu.org/licenses/>. | |
| f7459b6c | 20 | // |
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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. | |
| d5cf2021 | 33 | // Check C++ to native_handle_type characteristics: size and alignment. |
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34 | template<typename _Tp> |
| 35 | void | |
| d5cf2021 | 36 | compare_type_to_native_type() |
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37 | { |
| 38 | typedef _Tp test_type; | |
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39 | |
| 40 | // Remove possible pointer type. | |
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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) | |
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49 | { |
| 50 | std::ostringstream s; | |
| 51 | s << std::endl; | |
| 52 | s << "size of _Tp: " << st << std::endl; | |
| d5cf2021 | 53 | s << "alignment of _Tp: " << st << std::endl; |
| f7459b6c | 54 | s << "size of *(_Tp::native_handle_type): " << snt << std::endl; |
| d5cf2021 | 55 | s << "alignment of *(_Tp::native_handle_type): " << snt << std::endl; |
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56 | throw std::runtime_error(s.str()); |
| 57 | } | |
| 58 | } | |
| 59 | } // namespace __gnu_test | |
| 60 | ||
| 61 | #endif // _GLIBCXX_TESTSUITE_THREAD_H | |
| 62 |