1// -*- C++ -*-
2//===----------------------------------------------------------------------===//
3//
4// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
5// See https://llvm.org/LICENSE.txt for license information.
6// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
7//
8//===----------------------------------------------------------------------===//
9
10#ifndef _LIBCPPABI_VERSION
11#error this header can only be used with libc++abi
12#endif
13
14namespace std {
15
16bool uncaught_exception() noexcept { return uncaught_exceptions() > 0; }
17
18int uncaught_exceptions() noexcept
19{
20# if _LIBCPPABI_VERSION > 1001
21    return __cxa_uncaught_exceptions();
22# else
23    return __cxa_uncaught_exception() ? 1 : 0;
24# endif
25}
26
27} // namespace std
28