1//===----------------------------------------------------------------------===//
2//
3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4// See https://llvm.org/LICENSE.txt for license information.
5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6//
7//===----------------------------------------------------------------------===//
8
9// ADDITIONAL_COMPILE_FLAGS: -D_LIBCPP_ENABLE_CXX26_REMOVED_SHARED_PTR_ATOMICS
10// ADDITIONAL_COMPILE_FLAGS: -D_LIBCPP_DISABLE_DEPRECATION_WARNINGS
11// UNSUPPORTED: no-threads
12
13// <memory>
14
15// shared_ptr
16
17// template <class T>
18// void
19// atomic_store_explicit(shared_ptr<T>* p, shared_ptr<T> r, memory_order mo) // Deprecated in C++20, removed in C++26
20
21// UNSUPPORTED: c++03
22
23#include <memory>
24
25#include <atomic>
26#include <cassert>
27
28#include "test_macros.h"
29
30int main(int, char**)
31{
32 {
33 std::shared_ptr<int> p;
34 std::shared_ptr<int> r(new int(3));
35 std::atomic_store_explicit(&p, r, std::memory_order_seq_cst);
36 assert(*p == *r);
37 }
38
39 return 0;
40}
41

source code of libcxx/test/std/utilities/memory/util.smartptr/util.smartptr.shared.atomic/atomic_store_explicit.pass.cpp