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40 lines
1 KiB
Go
40 lines
1 KiB
Go
// +build !windows
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// Copyright 2019 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 graceful
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import "sync"
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var cleanupWaitGroup sync.WaitGroup
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func init() {
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cleanupWaitGroup = sync.WaitGroup{}
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// There are three places that could inherit sockets:
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//
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// * HTTP or HTTPS main listener
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// * HTTP redirection fallback
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// * SSH
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//
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// If you add an additional place you must increment this number
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// and add a function to call InformCleanup if it's not going to be used
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cleanupWaitGroup.Add(3)
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// Wait till we're done getting all of the listeners and then close
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// the unused ones
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go func() {
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cleanupWaitGroup.Wait()
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// Ignore the error here there's not much we can do with it
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// They're logged in the CloseProvidedListeners function
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_ = CloseProvidedListeners()
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}()
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}
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// InformCleanup tells the cleanup wait group that we have either taken a listener
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// or will not be taking a listener
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func InformCleanup() {
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cleanupWaitGroup.Done()
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}
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