1 files changed, 32 insertions, 0 deletions
diff --git a/misc/cgo/test/setgid_linux.go b/misc/cgo/test/setgid_linux.go
new file mode 100644
index 000000000..829afce1b
--- /dev/null
+++ b/misc/cgo/test/setgid_linux.go
@@ -0,0 +1,32 @@
+// Copyright 2012 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 that setgid does not hang on GNU/Linux.
+// See http://code.google.com/p/go/issues/detail?id=3871 for details.
+
+package cgotest
+
+/*
+#include <sys/types.h>
+#include <unistd.h>
+*/
+import "C"
+
+import (
+	"testing"
+	"time"
+)
+
+func testSetgid(t *testing.T) {
+	c := make(chan bool)
+	go func() {
+		C.setgid(0)
+		c <- true
+	}()
+	select {
+	case <-c:
+	case <-time.After(5 * time.Second):
+		t.Error("setgid hung")
+	}
+}