les: wg data race fixed #15365
les: wg data race fixed #15365
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JekaMas
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Thanks for catching it! There is a better way to fix this though. wg.Add should not happen inside the goroutine but before starting it. Then it is guaranteed that it runs in the init phase, before starting the entire LightEthereum backend and the additional semaphore is not needed at all. |
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@zsfelfoldi Thanks for advice! I've make requested changes. |
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les/handler.go
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| @@ -242,7 +243,7 @@ func (pm *ProtocolManager) Stop() { | |||
| // will exit when they try to register. | |||
| pm.peers.Close() | |||
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| // Wait for any process action | |||
| // Wait for any process action. Wait should be executed after all pm.wg.Add() | |||
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Thanks. This and upper changes has been done.
les/handler.go
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| @@ -115,6 +115,7 @@ type ProtocolManager struct { | |||
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| // channels for fetcher, syncer, txsyncLoop | |||
| newPeerCh chan *peer | |||
| isClosed *int32 | |||
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Fixes #15364