forked from Shiloh/githaven
54 lines
1.2 KiB
Go
Vendored
54 lines
1.2 KiB
Go
Vendored
// Copyright (c) 2015 Couchbase, Inc.
|
|
//
|
|
// 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 index
|
|
|
|
type AnalysisWork func()
|
|
|
|
type AnalysisQueue struct {
|
|
queue chan AnalysisWork
|
|
done chan struct{}
|
|
}
|
|
|
|
func (q *AnalysisQueue) Queue(work AnalysisWork) {
|
|
q.queue <- work
|
|
}
|
|
|
|
func (q *AnalysisQueue) Close() {
|
|
close(q.done)
|
|
}
|
|
|
|
func NewAnalysisQueue(numWorkers int) *AnalysisQueue {
|
|
rv := AnalysisQueue{
|
|
queue: make(chan AnalysisWork),
|
|
done: make(chan struct{}),
|
|
}
|
|
for i := 0; i < numWorkers; i++ {
|
|
go AnalysisWorker(rv)
|
|
}
|
|
return &rv
|
|
}
|
|
|
|
func AnalysisWorker(q AnalysisQueue) {
|
|
// read work off the queue
|
|
for {
|
|
select {
|
|
case <-q.done:
|
|
return
|
|
case w := <-q.queue:
|
|
w()
|
|
}
|
|
}
|
|
}
|