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//===----------------------------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
// UNSUPPORTED: libcpp-has-no-threads
// <atomic>
// template <class T>
// bool
// atomic_is_lock_free(const volatile atomic<T>* obj);
//
// template <class T>
// bool
// atomic_is_lock_free(const atomic<T>* obj);
#include <atomic>
#include <cassert>
#include "atomic_helpers.h"
template <class T>
struct TestFn {
void operator()() const {
typedef std::atomic<T> A;
A t;
bool b1 = std::atomic_is_lock_free(static_cast<const A*>(&t));
volatile A vt;
bool b2 = std::atomic_is_lock_free(static_cast<const volatile A*>(&vt));
assert(b1 == b2);
}
};
struct A
{
char _[4];
};
int main()
{
TestFn<A>()();
TestEachAtomicType<TestFn>()();
}
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