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author | 2020-08-03 14:33:06 +0000 | |
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committer | 2020-08-03 14:33:06 +0000 | |
commit | 061da546b983eb767bad15e67af1174fb0bcf31c (patch) | |
tree | 83c78b820819d70aa40c36d90447978b300078c5 /gnu/llvm/lldb/packages/Python/lldbsuite/test/functionalities/longjmp/main.c | |
parent | Import LLVM 10.0.0 release including clang, lld and lldb. (diff) | |
download | wireguard-openbsd-061da546b983eb767bad15e67af1174fb0bcf31c.tar.xz wireguard-openbsd-061da546b983eb767bad15e67af1174fb0bcf31c.zip |
Import LLVM 10.0.0 release including clang, lld and lldb.
ok hackroom
tested by plenty
Diffstat (limited to 'gnu/llvm/lldb/packages/Python/lldbsuite/test/functionalities/longjmp/main.c')
-rw-r--r-- | gnu/llvm/lldb/packages/Python/lldbsuite/test/functionalities/longjmp/main.c | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/gnu/llvm/lldb/packages/Python/lldbsuite/test/functionalities/longjmp/main.c b/gnu/llvm/lldb/packages/Python/lldbsuite/test/functionalities/longjmp/main.c new file mode 100644 index 00000000000..ce1af7038c2 --- /dev/null +++ b/gnu/llvm/lldb/packages/Python/lldbsuite/test/functionalities/longjmp/main.c @@ -0,0 +1,30 @@ +//===-- 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; +} |