N3191: C++ Timeout Specification git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@119909 91177308-0d34-0410-b5e6-96231b3b80d8 
diff --git a/include/__mutex_base b/include/__mutex_base index 554ec3f..d3b2a1b 100644 --- a/include/__mutex_base +++ b/include/__mutex_base 
@@ -382,11 +382,11 @@  const chrono::duration<_Rep, _Period>& __d)  {  using namespace chrono; - system_clock::time_point __s_now = system_clock::now(); - monotonic_clock::time_point __c_now = monotonic_clock::now(); + system_clock::time_point __s_now = system_clock::now(); + steady_clock::time_point __c_now = steady_clock::now();  __do_timed_wait(__lk, __s_now + __ceil<nanoseconds>(__d)); - return monotonic_clock::now() - __c_now < __d ? cv_status::no_timeout : - cv_status::timeout; + return steady_clock::now() - __c_now < __d ? cv_status::no_timeout : + cv_status::timeout;  }    template <class _Rep, class _Period, class _Predicate> @@ -396,7 +396,7 @@  const chrono::duration<_Rep, _Period>& __d,  _Predicate __pred)  { - return wait_until(__lk, chrono::monotonic_clock::now() + __d, + return wait_until(__lk, chrono::steady_clock::now() + __d,  _STD::move(__pred));  }