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core, eth: add missing shutdown synchronization to ChainManager

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This commit is contained in:
Felix Lange 2015-04-17 18:12:25 +02:00
parent 898ba87984
commit 2e5a0f3cde
2 changed files with 7 additions and 0 deletions
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6
core/chain_manager.go
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@ -92,6 +92,7 @@ type ChainManager struct {
futureBlocks *BlockCache futureBlocks *BlockCache
quit chan struct{} quit chan struct{}
wg sync.WaitGroup
} }
func NewChainManager(blockDb, stateDb common.Database, mux *event.TypeMux) *ChainManager { func NewChainManager(blockDb, stateDb common.Database, mux *event.TypeMux) *ChainManager {
@ -104,6 +105,7 @@ func NewChainManager(blockDb, stateDb common.Database, mux *event.TypeMux) *Chai
bc.futureBlocks = NewBlockCache(254) bc.futureBlocks = NewBlockCache(254)
bc.makeCache() bc.makeCache()
bc.wg.Add(1)
go bc.update() go bc.update()
return bc return bc
@ -423,6 +425,7 @@ func (self *ChainManager) CalcTotalDiff(block *types.Block) (*big.Int, error) {
func (bc *ChainManager) Stop() { func (bc *ChainManager) Stop() {
close(bc.quit) close(bc.quit)
bc.wg.Wait()
} }
type queueEvent struct { type queueEvent struct {
@ -588,6 +591,9 @@ func (self *ChainManager) merge(oldBlock, newBlock *types.Block) {
func (self *ChainManager) update() { func (self *ChainManager) update() {
events := self.eventMux.Subscribe(queueEvent{}) events := self.eventMux.Subscribe(queueEvent{})
futureTimer := time.NewTicker(5 * time.Second) futureTimer := time.NewTicker(5 * time.Second)
defer self.wg.Done()
defer futureTimer.Stop()
out: out:
for { for {
select { select {

1
eth/backend.go
View file

@ -433,6 +433,7 @@ func (s *Ethereum) Stop() {
s.txSub.Unsubscribe() // quits txBroadcastLoop s.txSub.Unsubscribe() // quits txBroadcastLoop
s.blockSub.Unsubscribe() // quits blockBroadcastLoop s.blockSub.Unsubscribe() // quits blockBroadcastLoop
s.chainManager.Stop()
s.txPool.Stop() s.txPool.Stop()
s.eventMux.Stop() s.eventMux.Stop()
s.blockPool.Stop() s.blockPool.Stop()