1 | //===----------------------------------------------------------------------===// |
2 | // |
3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
4 | // See https://llvm.org/LICENSE.txt for license information. |
5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
6 | // |
7 | //===----------------------------------------------------------------------===// |
8 | |
9 | // MSVC warning C4611: interaction between '_setjmp' and C++ object destruction is non-portable |
10 | // ADDITIONAL_COMPILE_FLAGS(cl-style-warnings): /wd4611 |
11 | |
12 | // test <csetjmp> |
13 | |
14 | #include <csetjmp> |
15 | #include <cassert> |
16 | #include <type_traits> |
17 | |
18 | int main(int, char**) { |
19 | std::jmp_buf jb; |
20 | |
21 | switch (setjmp(jb)) { |
22 | // First time we set the buffer, the function should return 0 |
23 | case 0: |
24 | break; |
25 | |
26 | // If it returned 42, then we're coming from the std::longjmp call below |
27 | case 42: |
28 | return 0; |
29 | |
30 | // Otherwise, something is wrong |
31 | default: |
32 | return 1; |
33 | } |
34 | |
35 | std::longjmp(env: jb, val: 42); |
36 | static_assert(std::is_same<decltype(std::longjmp(env: jb, val: 0)), void>::value, "" ); |
37 | |
38 | return 1; |
39 | } |
40 | |