| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You 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 sleep |
| |
| import ( |
| "context" |
| "time" |
| ) |
| |
| func Until(ch <-chan struct{}, d time.Duration) bool { |
| timer := time.NewTimer(d) |
| select { |
| case <-ch: |
| if !timer.Stop() { |
| <-timer.C |
| } |
| return false |
| case <-timer.C: |
| return true |
| } |
| } |
| |
| func UntilContext(ctx context.Context, d time.Duration) bool { |
| return Until(ctx.Done(), d) |
| } |