libcxx/test/std/thread/thread.mutex/thread.lock/thread.lock.shared/thread.lock.shared.cons/copy_ctor.compile.fail.cpp

   1 //===----------------------------------------------------------------------===//
   2 //
   3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
   4 // See https://llvm.org/LICENSE.txt for license information.
   5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
   6 //
   7 //===----------------------------------------------------------------------===//
   8
   9 // UNSUPPORTED: c++03, c++11
  10 // <shared_mutex>
  11
  12 // template <class Mutex> class shared_lock;
  13
  14 // shared_lock(shared_lock const&) = delete;
  15
  16 #include <shared_mutex>
  17
  18 std::shared_timed_mutex m;
  19
  20 int main(int, char**)
  21 {
  22     std::shared_lock<std::shared_timed_mutex> lk0(m);
  23     std::shared_lock<std::shared_timed_mutex> lk = lk0;
  24
  25   return 0;
  26 }