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add sync for proper termination (#1507)

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This commit is contained in:
Sandeep Rajan 2018-02-08 13:57:49 -05:00 • committed by John Belamaric
parent 6fd954f19c
commit d0892abc2c
1 changed files with 6 additions and 3 deletions
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9
plugin/reload/setup.go
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@ -24,6 +24,7 @@ func init() {
// WARNING: this data may be unsync after an invalid attempt of reload Corefile. // WARNING: this data may be unsync after an invalid attempt of reload Corefile.
var r = reload{interval: defaultInterval, usage: unused, quit: make(chan bool)} var r = reload{interval: defaultInterval, usage: unused, quit: make(chan bool)}
var once sync.Once var once sync.Once
var shutOnce sync.Once
func setup(c *caddy.Controller) error { func setup(c *caddy.Controller) error {
c.Next() // 'reload' c.Next() // 'reload'
@ -73,9 +74,11 @@ func setup(c *caddy.Controller) error {
}) })
// re-register on finalShutDown as the instance most-likely will be changed // re-register on finalShutDown as the instance most-likely will be changed
c.OnFinalShutdown(func() error { shutOnce.Do(func() {
r.quit <- true c.OnFinalShutdown(func() error {
return nil r.quit <- true
return nil
})
}) })
return nil return nil
} }