summaryrefslogtreecommitdiffstats
path: root/gnu/llvm/lldb/packages/Python/lldbsuite/test/functionalities/longjmp/main.c
diff options
context:
space:
mode:
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.c30
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;
+}