1// -*- C++ -*- 2//===----------------------------------------------------------------------===// 3// 4// The LLVM Compiler Infrastructure 5// 6// This file is dual licensed under the MIT and the University of Illinois Open 7// Source Licenses. See LICENSE.TXT for details. 8// 9//===----------------------------------------------------------------------===// 10 11#ifndef _LIBCPPABI_VERSION 12#error this header can only be used with libc++abi 13#endif 14 15namespace std { 16 17bool uncaught_exception() _NOEXCEPT { return uncaught_exceptions() > 0; } 18 19int uncaught_exceptions() _NOEXCEPT 20{ 21# if _LIBCPPABI_VERSION > 1101 22 return __cxa_uncaught_exceptions(); 23# else 24 return __cxa_uncaught_exception() ? 1 : 0; 25# endif 26} 27 28} // namespace std 29