| 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: c++03, c++11 |
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| 10 | // <shared_mutex> |
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| 11 | |
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| 12 | // template <class Mutex> class shared_lock; |
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| 13 | |
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| 14 | // shared_lock& operator=(shared_lock const&) = delete; |
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| 15 | |
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| 16 | #include <shared_mutex> |
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| 17 | |
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| 18 | std::shared_timed_mutex m0; |
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| 19 | std::shared_timed_mutex m1; |
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| 20 | |
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| 21 | int main(int, char**) |
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| 22 | { |
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| 23 | std::shared_lock<std::shared_timed_mutex> lk0(m0); |
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| 24 | std::shared_lock<std::shared_timed_mutex> lk1(m1); |
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| 25 | lk1 = lk0; |
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| 26 | |
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| 27 | return 0; |
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| 28 | } |
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| 29 | |
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