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#include <exception>
11
12#include <cxxabi.h>
13
14#ifndef _LIBCPPABI_VERSION
15# error this header can only be used with libc++abi
16#endif
17
18namespace std {
19
20bool uncaught_exception() noexcept { return uncaught_exceptions() > 0; }
21
22int uncaught_exceptions() noexcept {
23#if _LIBCPPABI_VERSION > 1001
24 return abi::__cxa_uncaught_exceptions();
25#else
26 return abi::__cxa_uncaught_exception() ? 1 : 0;
27#endif
28}
29
30} // namespace std
31