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 27