forgejo/modules/graceful/cleanup.go

40 lines
1 KiB
Go

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