1 files changed, 46 insertions, 0 deletions
diff --git a/src/runtime/testdata/testprogcgo/catchpanic.go b/src/runtime/testdata/testprogcgo/catchpanic.go
new file mode 100644
index 0000000..55a606d
--- /dev/null
+++ b/src/runtime/testdata/testprogcgo/catchpanic.go
@@ -0,0 +1,46 @@
+// Copyright 2017 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+// +build !plan9,!windows
+
+package main
+
+/*
+#include <signal.h>
+#include <stdlib.h>
+#include <string.h>
+
+static void abrthandler(int signum) {
+	if (signum == SIGABRT) {
+		exit(0);  // success
+	}
+}
+
+void registerAbortHandler() {
+	struct sigaction act;
+	memset(&act, 0, sizeof act);
+	act.sa_handler = abrthandler;
+	sigaction(SIGABRT, &act, NULL);
+}
+
+static void __attribute__ ((constructor)) sigsetup(void) {
+	if (getenv("CGOCATCHPANIC_EARLY_HANDLER") == NULL)
+		return;
+	registerAbortHandler();
+}
+*/
+import "C"
+import "os"
+
+func init() {
+	register("CgoCatchPanic", CgoCatchPanic)
+}
+
+// Test that the SIGABRT raised by panic can be caught by an early signal handler.
+func CgoCatchPanic() {
+	if _, ok := os.LookupEnv("CGOCATCHPANIC_EARLY_HANDLER"); !ok {
+		C.registerAbortHandler()
+	}
+	panic("catch me")
+}