b64f8b07c1
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@119395 91177308-0d34-0410-b5e6-96231b3b80d8
34 lines
881 B
C++
34 lines
881 B
C++
//===----------------------------------------------------------------------===//
|
|
//
|
|
// 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 unique_lock;
|
|
|
|
// unique_lock& operator=(unique_lock&& u);
|
|
|
|
#include <mutex>
|
|
#include <cassert>
|
|
|
|
std::mutex m0;
|
|
std::mutex m1;
|
|
|
|
int main()
|
|
{
|
|
#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
|
|
std::unique_lock<std::mutex> lk0(m0);
|
|
std::unique_lock<std::mutex> lk1(m1);
|
|
lk1 = std::move(lk0);
|
|
assert(lk1.mutex() == &m0);
|
|
assert(lk1.owns_lock() == true);
|
|
assert(lk0.mutex() == nullptr);
|
|
assert(lk0.owns_lock() == false);
|
|
#endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES
|
|
}
|