Test that longjmp from signals works. (it does)

2 files changed, 31 insertions, 0 deletions

diff --git a/src/regress/lib/libc/setjmp-signal/Makefile b/src/regress/lib/libc/setjmp-signal/Makefile
new file mode 100644
index 0000000000..a9649a8abe
--- /dev/null
+++ b/src/regress/lib/libc/setjmp-signal/Makefile
@@ -0,0 +1,5 @@
+#       $OpenBSD: Makefile,v 1.1 2002/07/31 05:18:24 art Exp $
+
+PROG=   setjmp-signal
+
+.include <bsd.regress.mk>
diff --git a/src/regress/lib/libc/setjmp-signal/setjmp-signal.c b/src/regress/lib/libc/setjmp-signal/setjmp-signal.c
new file mode 100644
index 0000000000..c44f657cda
--- /dev/null
+++ b/src/regress/lib/libc/setjmp-signal/setjmp-signal.c
@@ -0,0 +1,26 @@
+/*      $OpenBSD: setjmp-signal.c,v 1.1 2002/07/31 05:18:24 art Exp $   */
+/*
+ *      Written by Artur Grabowski <art@openbsd.org> 2002 Public Domain.
+ */
+
+#include <setjmp.h>
+#include <signal.h>
+
+jmp_buf jb;
+
+void
+segv_handler(int signum)
+{
+        longjmp(jb, 1);
+}
+
+int
+main()
+{
+        signal(SIGSEGV, segv_handler);
+        if (setjmp(jb) == 0) {
+                *((int *)0) = 0;
+                return (1);
+        }
+        return (0);
+}