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
main(int,char **)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(jb, 42);
36 static_assert(std::is_same<decltype(std::longjmp(jb, 0)), void>::value, "");
37
38 return 1;
39 }
40