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move mutex before select

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This commit is contained in:
Anton Evangelatov 2020-07-20 10:15:01 +02:00
parent e1c9c4297b
commit 69ebd2bb85
1 changed files with 2 additions and 1 deletions
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3
miner/miner.go
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@ -91,12 +91,13 @@ func (m *Miner) Start(ctx context.Context) error {
func (m *Miner) Stop(ctx context.Context) error {
m.lk.Lock()
defer m.lk.Unlock()
m.stopping = make(chan struct{})
stopping := m.stopping
close(m.stop)
m.lk.Unlock()
select {
case <-stopping:
return nil