| //===----------------------------------------------------------------------===// | |
| // | |
| // 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); | |
| } |