1 files changed, 23 insertions, 0 deletions
diff --git a/src/pkg/io/ioutil/blackhole.go b/src/pkg/io/ioutil/blackhole.go
new file mode 100644
index 000000000..101d2c121
--- /dev/null
+++ b/src/pkg/io/ioutil/blackhole.go
@@ -0,0 +1,23 @@
+// 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.
+
+package ioutil
+
+var blackHoleBuf = make(chan []byte, 1)
+
+func blackHole() []byte {
+	select {
+	case b := <-blackHoleBuf:
+		return b
+	default:
+	}
+	return make([]byte, 8192)
+}
+
+func blackHolePut(p []byte) {
+	select {
+	case blackHoleBuf <- p:
+	default:
+	}
+}