David Majnemer f9f95be930 Implement N3891: A proposal to rename shared_mutex to shared_timed_mutex
This is as straightforward as it sounds, a renamed from shared_mutex to
shared_timed_mutex.

Note that libcxx .dylib and .so files built with c++14 support need to
be rebuilt.

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@204078 91177308-0d34-0410-b5e6-96231b3b80d8
2014-03-17 20:19:44 +00:00

37 lines
956 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.
//
//===----------------------------------------------------------------------===//
// <shared_mutex>
// template <class Mutex> class shared_lock;
// mutex_type *mutex() const noexcept;
#include <shared_mutex>
#include <cassert>
#if _LIBCPP_STD_VER > 11
std::shared_timed_mutex m;
#endif // _LIBCPP_STD_VER > 11
int main()
{
#if _LIBCPP_STD_VER > 11
std::shared_lock<std::shared_timed_mutex> lk0;
assert(lk0.mutex() == nullptr);
std::shared_lock<std::shared_timed_mutex> lk1(m);
assert(lk1.mutex() == &m);
lk1.unlock();
assert(lk1.mutex() == &m);
static_assert(noexcept(lk0.mutex()), "mutex() must be noexcept");
#endif // _LIBCPP_STD_VER > 11
}