| //===-- main.c --------------------------------------------------*- C++ -*-===// |
| // |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| // See https://llvm.org/LICENSE.txt for license information. |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| // |
| //===----------------------------------------------------------------------===// |
| #include <setjmp.h> |
| #include <stdio.h> |
| #include <time.h> |
| |
| jmp_buf j; |
| |
| void do_jump(void) |
| { |
| // We can't let the compiler know this will always happen or it might make |
| // optimizations that break our test. |
| if (!clock()) |
| longjmp(j, 1); // non-local goto |
| } |
| |
| int main (void) |
| { |
| if (setjmp(j) == 0) |
| do_jump(); |
| else |
| return 0; // destination of longjmp |
| |
| return 1; |
| } |
