| //===----------------------------------------------------------------------===// |
| // |
| // The LLVM Compiler Infrastructure |
| // |
| // This file is dual licensed under the MIT and the University of Illinois Open |
| // Source Licenses. See LICENSE.TXT for details. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| // <shared_mutex> |
| |
| // template <class Mutex> class shared_lock; |
| |
| // shared_lock(mutex_type& m, adopt_lock_t); |
| |
| #include <shared_mutex> |
| #include <cassert> |
| |
| int main() |
| { |
| #if _LIBCPP_STD_VER > 11 |
| std::shared_timed_mutex m; |
| m.lock(); |
| std::shared_lock<std::shared_timed_mutex> lk(m, std::adopt_lock); |
| assert(lk.mutex() == &m); |
| assert(lk.owns_lock() == true); |
| #endif // _LIBCPP_STD_VER > 11 |
| } |