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42 lines
961 B
C++
42 lines
961 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: libcpp-has-no-threads
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// <atomic>
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// struct atomic_flag
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// void atomic_flag_clear(volatile atomic_flag*);
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// void atomic_flag_clear(atomic_flag*);
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#include <atomic>
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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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{
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std::atomic_flag f;
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f.clear();
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f.test_and_set();
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atomic_flag_clear(&f);
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assert(f.test_and_set() == 0);
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}
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{
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volatile std::atomic_flag f;
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f.clear();
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f.test_and_set();
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atomic_flag_clear(&f);
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assert(f.test_and_set() == 0);
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}
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return 0;
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}
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