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 | |
14 | namespace std { |
15 | |
16 | bool uncaught_exception() _NOEXCEPT { return uncaught_exceptions() > 0; } |
17 | |
18 | int 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 | |