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There is a potential memory leak in `Workerpool` due to the intricacies of `time.Timer` stopping. Whenever a `time.Timer` is `Stop`ped its channel must be cleared using a `select` if the result of the `Stop()` is `false`. Unfortunately in `Workerpool` these were checked the wrong way round. However, there were a few other places that were not being checked. Signed-off-by: Andrew Thornton <art27@cantab.net> Co-authored-by: techknowlogick <techknowlogick@gitea.io> Co-authored-by: Lunny Xiao <xiaolunwen@gmail.com>
22 lines
416 B
Go
22 lines
416 B
Go
// Copyright 2020 The Gitea Authors. All rights reserved.
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// Use of this source code is governed by a MIT-style
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// license that can be found in the LICENSE file.
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package util
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import (
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"time"
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)
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// StopTimer is a utility function to safely stop a time.Timer and clean its channel
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func StopTimer(t *time.Timer) bool {
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stopped := t.Stop()
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if !stopped {
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select {
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case <-t.C:
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default:
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}
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}
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return stopped
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}
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