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| author | AlexSm <alex@ydb.tech> | 2024-03-05 10:40:59 +0100 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2024-03-05 12:40:59 +0300 |
| commit | 1ac13c847b5358faba44dbb638a828e24369467b (patch) | |
| tree | 07672b4dd3604ad3dee540a02c6494cb7d10dc3d /contrib/libs/cxxsupp/libcxx/src/new_handler.cpp | |
| parent | ffcca3e7f7958ddc6487b91d3df8c01054bd0638 (diff) | |
| download | ydb-1ac13c847b5358faba44dbb638a828e24369467b.tar.gz | |
Library import 16 (#2433)
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Diffstat (limited to 'contrib/libs/cxxsupp/libcxx/src/new_handler.cpp')
| -rw-r--r-- | contrib/libs/cxxsupp/libcxx/src/new_handler.cpp | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/contrib/libs/cxxsupp/libcxx/src/new_handler.cpp b/contrib/libs/cxxsupp/libcxx/src/new_handler.cpp new file mode 100644 index 0000000000..49c21d85f5 --- /dev/null +++ b/contrib/libs/cxxsupp/libcxx/src/new_handler.cpp @@ -0,0 +1,39 @@ +//===----------------------------------------------------------------------===// +// +// 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 <new> + +#include "include/atomic_support.h" + +#if defined(_LIBCPP_ABI_MICROSOFT) +# if !defined(_LIBCPP_ABI_VCRUNTIME) +# define _LIBPCPP_DEFINE_NEW_HANDLER +# endif +#elif defined(LIBCXX_BUILDING_LIBCXXABI) +// nothing to do, we use the one from libc++abi +#elif defined(LIBCXXRT) +# define _LIBPCPP_DEFINE_NEW_HANDLER +#elif defined(__GLIBCXX__) +// nothing to do, we use the one from libstdc++/libsupc++ +#else +# define _LIBPCPP_DEFINE_NEW_HANDLER +#endif + +#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); } + +} // namespace std + +#endif // _LIBPCPP_DEFINE_NEW_HANDLER |