| 1 | //===----------------------------------------------------------------------===// |
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| 2 | // |
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| 3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
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| 4 | // See https://llvm.org/LICENSE.txt for license information. |
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| 5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
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| 6 | // |
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| 7 | //===----------------------------------------------------------------------===// |
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| 8 | // |
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| 9 | // UNSUPPORTED: no-threads |
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| 10 | // UNSUPPORTED: c++03, c++11 |
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| 11 | |
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| 12 | // <shared_mutex> |
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| 13 | |
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| 14 | // template <class Mutex> class shared_lock; |
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| 15 | |
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| 16 | // shared_lock(); |
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| 17 | |
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| 18 | #include <shared_mutex> |
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| 19 | #include <cassert> |
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| 20 | |
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| 21 | #include "test_macros.h" |
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| 22 | |
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| 23 | int main(int, char**) |
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| 24 | { |
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| 25 | std::shared_lock<std::shared_timed_mutex> ul; |
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| 26 | assert(!ul.owns_lock()); |
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| 27 | assert(ul.mutex() == nullptr); |
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| 28 | |
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| 29 | return 0; |
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| 30 | } |
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| 31 | |
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