| // Copyright 2016 The LUCI Authors. |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| package managedfs |
| |
| import ( |
| "sync" |
| ) |
| |
| const ( |
| copyBufferSize = 4096 |
| ) |
| |
| var bufferPool sync.Pool |
| |
| func withBuffer(f func([]byte)) { |
| buf := bufferPool.Get().([]byte) |
| if buf == nil { |
| buf = make([]byte, copyBufferSize) |
| } |
| defer bufferPool.Put(buf) |
| |
| f(buf) |
| } |
