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
18int 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

source code of libcxx/test/std/language.support/support.runtime/csetjmp.pass.cpp