Howard Hinnant | ba898e4 | 2013-09-21 01:49:28 +0000 | [diff] [blame] | 1 | //===----------------------------------------------------------------------===// |
| 2 | // |
| 3 | // The LLVM Compiler Infrastructure |
| 4 | // |
| 5 | // This file is dual licensed under the MIT and the University of Illinois Open |
| 6 | // Source Licenses. See LICENSE.TXT for details. |
| 7 | // |
| 8 | //===----------------------------------------------------------------------===// |
Jonathan Roelofs | 8d86b2e | 2014-09-05 19:45:05 +0000 | [diff] [blame] | 9 | // |
| 10 | // UNSUPPORTED: libcpp-has-no-threads |
Howard Hinnant | ba898e4 | 2013-09-21 01:49:28 +0000 | [diff] [blame] | 11 | |
| 12 | // <shared_mutex> |
| 13 | |
| 14 | // template <class Mutex> class shared_lock; |
| 15 | |
| 16 | // shared_lock& operator=(shared_lock&& u); |
| 17 | |
| 18 | #include <shared_mutex> |
| 19 | #include <cassert> |
| 20 | |
Dan Albert | 1d4a1ed | 2016-05-25 22:36:09 -0700 | [diff] [blame^] | 21 | #if _LIBCPP_STD_VER > 11 |
| 22 | |
| 23 | std::shared_timed_mutex m0; |
| 24 | std::shared_timed_mutex m1; |
| 25 | |
| 26 | #endif // _LIBCPP_STD_VER > 11 |
Howard Hinnant | ba898e4 | 2013-09-21 01:49:28 +0000 | [diff] [blame] | 27 | |
Howard Hinnant | ba898e4 | 2013-09-21 01:49:28 +0000 | [diff] [blame] | 28 | int main() |
| 29 | { |
Dan Albert | 1d4a1ed | 2016-05-25 22:36:09 -0700 | [diff] [blame^] | 30 | #if _LIBCPP_STD_VER > 11 |
| 31 | std::shared_lock<std::shared_timed_mutex> lk0(m0); |
| 32 | std::shared_lock<std::shared_timed_mutex> lk1(m1); |
Howard Hinnant | ba898e4 | 2013-09-21 01:49:28 +0000 | [diff] [blame] | 33 | lk1 = std::move(lk0); |
Dan Albert | 1d4a1ed | 2016-05-25 22:36:09 -0700 | [diff] [blame^] | 34 | assert(lk1.mutex() == &m0); |
Howard Hinnant | ba898e4 | 2013-09-21 01:49:28 +0000 | [diff] [blame] | 35 | assert(lk1.owns_lock() == true); |
| 36 | assert(lk0.mutex() == nullptr); |
| 37 | assert(lk0.owns_lock() == false); |
Dan Albert | 1d4a1ed | 2016-05-25 22:36:09 -0700 | [diff] [blame^] | 38 | #endif // _LIBCPP_STD_VER > 11 |
Howard Hinnant | ba898e4 | 2013-09-21 01:49:28 +0000 | [diff] [blame] | 39 | } |