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channelnotifier+discover+invoices: return error in Stop functions

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In order to be consistent with other sub systems an error is now
returned from the Stop functions.
This also allows writing a generic cleanup mechanism to stop all
sub systems in case of a failure.
This commit is contained in:
Roei Erez
2019-01-21 13:11:19 +02:00
parent c998264578
commit 3223df74e5
10 changed files with 58 additions and 20 deletions
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3
discovery/gossiper.go
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@@ -461,8 +461,9 @@ func (d *AuthenticatedGossiper) start() error {
}
// Stop signals any active goroutines for a graceful closure.
func (d *AuthenticatedGossiper) Stop() {
func (d *AuthenticatedGossiper) Stop() error {
d.stopped.Do(d.stop)
return nil
}
func (d *AuthenticatedGossiper) stop() {