| //===----------------------------------------------------------------------===// |
| // 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 |
| //===----------------------------------------------------------------------===// |
| #include "include/atomic_support.h" |
| #if defined(_LIBCPP_ABI_MICROSOFT) |
| # if !defined(_LIBCPP_ABI_VCRUNTIME) |
| # define _LIBPCPP_DEFINE_NEW_HANDLER |
| #elif defined(LIBCXX_BUILDING_LIBCXXABI) |
| // nothing to do, we use the one from libc++abi |
| # define _LIBPCPP_DEFINE_NEW_HANDLER |
| #elif defined(__GLIBCXX__) |
| // nothing to do, we use the one from libstdc++/libsupc++ |
| # define _LIBPCPP_DEFINE_NEW_HANDLER |
| #if defined(_LIBPCPP_DEFINE_NEW_HANDLER) |
| namespace std { // purposefully not versioned |
| static constinit std::new_handler __new_handler = nullptr; |
| new_handler set_new_handler(new_handler handler) noexcept { return __libcpp_atomic_exchange(&__new_handler, handler); } |
| new_handler get_new_handler() noexcept { return __libcpp_atomic_load(&__new_handler); } |
| #endif // _LIBPCPP_DEFINE_NEW_HANDLER |