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#if _LIBCPPABI_VERSION > 1001
20  return __cxa_uncaught_exceptions();
21#else
22  return __cxa_uncaught_exception() ? 1 : 0;
23#endif
24}
25
26} // namespace std