src/third_party/libc++/trunk/test/thread/thread.mutex/thread.lock/thread.lock.shared/thread.lock.shared.cons/copy_assign.fail.cpp

   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 //===----------------------------------------------------------------------===//
   9
  10 // <shared_mutex>
  11
  12 // template <class Mutex> class shared_lock;
  13
  14 // shared_lock& operator=(shared_lock const&) = delete;
  15
  16 #include <shared_mutex>
  17
  18 #if _LIBCPP_STD_VER > 11
  19
  20 std::shared_mutex m0;
  21 std::shared_mutex m1;
  22
  23 #endif  // _LIBCPP_STD_VER > 11
  24
  25 int main()
  26 {
  27 #if _LIBCPP_STD_VER > 11
  28     std::shared_lock<std::shared_mutex> lk0(m0);
  29     std::shared_lock<std::shared_mutex> lk1(m1);
  30     lk1 = lk0;
  31 #else
  32 #   error
  33 #endif  // _LIBCPP_STD_VER > 11
  34 }