1 files changed, 78 insertions, 0 deletions
diff --git a/libgo/misc/cgo/testcarchive/main5.c b/libgo/misc/cgo/testcarchive/main5.c
new file mode 100644
index 00000000000..9fadf0801e1
--- /dev/null
+++ b/libgo/misc/cgo/testcarchive/main5.c
@@ -0,0 +1,78 @@
+// Copyright 2015 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.
+
+// Test for verifying that the Go runtime properly forwards
+// signals when non-Go signals are raised.
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <sys/types.h>
+#include <sys/time.h>
+#include <sys/select.h>
+
+#include "libgo2.h"
+
+int main(int argc, char** argv) {
+	int verbose;
+	int test;
+
+	if (argc < 2) {
+		printf("Missing argument\n");
+		return 1;
+	}
+
+	test = atoi(argv[1]);
+
+	verbose = (argc > 2);
+
+	if (verbose) {
+		printf("calling RunGoroutines\n");
+	}
+
+	Noop();
+
+	switch (test) {
+		case 1: {
+			if (verbose) {
+				printf("attempting segfault\n");
+			}
+
+			volatile int crash = *(int *) 0;
+			break;
+		}
+
+		case 2: {
+			struct timeval tv;
+
+			if (verbose) {
+				printf("attempting external signal test\n");
+			}
+
+			fprintf(stderr, "OK\n");
+			fflush(stderr);
+
+			// The program should be interrupted before
+			// this sleep finishes. We use select rather
+			// than sleep because in older versions of
+			// glibc the sleep function does some signal
+			// fiddling to handle SIGCHLD.  If this
+			// program is fiddling signals just when the
+			// test program sends the signal, the signal
+			// may be delivered to a Go thread which will
+			// break this test.
+			tv.tv_sec = 60;
+			tv.tv_usec = 0;
+			select(0, NULL, NULL, NULL, &tv);
+
+			break;
+		}
+		default:
+			printf("Unknown test: %d\n", test);
+			return 0;
+	}
+
+	printf("FAIL\n");
+	return 0;
+}