a7f9895cc1
Since those features are general properties of the environment, it makes sense to use them from libc++abi too, and so the name libcpp-has-no-xxx doesn't make sense. Differential Revision: https://reviews.llvm.org/D126482
34 lines
869 B
C++
34 lines
869 B
C++
//===----------------------------------------------------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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//
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// UNSUPPORTED: no-threads
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// UNSUPPORTED: c++03, c++11
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// dylib support for shared_mutex was added in macosx10.12
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// XFAIL: use_system_cxx_lib && target={{.+}}-apple-macosx10.{{9|10|11}}
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// <shared_mutex>
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// template <class Mutex> class shared_lock;
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// shared_lock();
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#include <shared_mutex>
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#include <cassert>
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#include "test_macros.h"
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int main(int, char**)
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{
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std::shared_lock<std::shared_timed_mutex> ul;
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assert(!ul.owns_lock());
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assert(ul.mutex() == nullptr);
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return 0;
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}
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