mirror of
https://github.com/prometheus/prometheus.git
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4a87c002e8
This commit fixes a critique of the old storage API design, whereby the input parameters were always as raw bytes and never Protocol Buffer messages that encapsulated the data, meaning every place a read or mutation was conducted needed to manually perform said translations on its own. This is taxing. Change-Id: I4786938d0d207cefb7782bd2bd96a517eead186f
46 lines
1,005 B
Go
46 lines
1,005 B
Go
// Copyright 2013 Prometheus Team
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package utility
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type FreeList chan interface{}
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func NewFreeList(cap int) FreeList {
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return make(FreeList, cap)
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}
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func (l FreeList) Get() (interface{}, bool) {
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select {
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case v := <-l:
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return v, true
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default:
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return nil, false
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}
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}
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func (l FreeList) Give(v interface{}) bool {
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select {
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case l <- v:
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return true
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default:
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return false
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}
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}
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func (l FreeList) Close() {
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close(l)
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for _ = range l {
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}
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}
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