Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1 | //===----------------------------------------------------------------------===// |
| 2 | // |
Howard Hinnant | f5256e1 | 2010-05-11 21:36:01 +0000 | [diff] [blame] | 3 | // The LLVM Compiler Infrastructure |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 4 | // |
Howard Hinnant | b64f8b0 | 2010-11-16 22:09:02 +0000 | [diff] [blame] | 5 | // This file is dual licensed under the MIT and the University of Illinois Open |
| 6 | // Source Licenses. See LICENSE.TXT for details. |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 7 | // |
| 8 | //===----------------------------------------------------------------------===// |
| 9 | |
| 10 | // <mutex> |
| 11 | |
| 12 | // template <class Mutex> class unique_lock; |
| 13 | |
| 14 | // unique_lock(unique_lock const&) = delete; |
| 15 | |
| 16 | #include <mutex> |
| 17 | #include <cassert> |
| 18 | |
Dan Albert | 1d4a1ed | 2016-05-25 22:36:09 -0700 | [diff] [blame^] | 19 | std::mutex m; |
| 20 | |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 21 | int main() |
| 22 | { |
Dan Albert | 1d4a1ed | 2016-05-25 22:36:09 -0700 | [diff] [blame^] | 23 | std::unique_lock<std::mutex> lk0(m); |
| 24 | std::unique_lock<std::mutex> lk = lk0; |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 25 | assert(lk.mutex() == &m); |
| 26 | assert(lk.owns_lock() == true); |
| 27 | assert(lk0.mutex() == nullptr); |
| 28 | assert(lk0.owns_lock() == false); |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 29 | } |