// 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: | |
} | |
} |