42ba740aff
Implement the std::atomic_ref class template by reusing atomic_base_impl. Based on the work from https://reviews.llvm.org/D72240
47 lines
1.1 KiB
C++
47 lines
1.1 KiB
C++
//
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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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// UNSUPPORTED: c++03, c++11, c++14, c++17
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// UNSUPPORTED: no-threads
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// XFAIL: availability-synchronization_library-missing
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// XFAIL: !has-64-bit-atomics
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// XFAIL: !has-1024-bit-atomics
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// void notify_one() const noexcept;
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#include <atomic>
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#include <cassert>
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#include <thread>
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#include <type_traits>
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#include <vector>
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#include "atomic_helpers.h"
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#include "make_test_thread.h"
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#include "test_macros.h"
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template <typename T>
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struct TestNotifyOne {
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void operator()() const {
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T x(T(1));
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std::atomic_ref<T> const a(x);
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std::thread t = support::make_test_thread([&]() {
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a.store(T(3));
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a.notify_one();
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});
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a.wait(T(1));
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assert(a.load() == T(3));
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t.join();
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ASSERT_NOEXCEPT(a.notify_one());
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}
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};
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int main(int, char**) {
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TestEachAtomicType<TestNotifyOne>()();
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return 0;
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}
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