| //===----------------------------------------------------------------------===// |
| // |
| // 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. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| // <mutex> |
| |
| // template <class Mutex> class lock_guard; |
| |
| // lock_guard(lock_guard const&) = delete; |
| |
| #include <mutex> |
| |
| int main() |
| { |
| std::mutex m; |
| std::lock_guard<std::mutex> lg0(m); |
| std::lock_guard<std::mutex> lg(lg0); |
| } |