channel: address close race condition

docker / go-events

Composable event distribution for Go

Apache License 2.0

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Closed stevvooe closed 8 years ago

stevvooe commented 8 years ago

Signed-off-by: Stephen J Day stephen.day@docker.com

stevvooe commented 8 years ago

PTAL @aaronlehmann

aaronlehmann commented 8 years ago

Broadcaster and RetryingSink need the same fix.

stevvooe commented 8 years ago

@aaronlehmann I'll to this PR, although I couldn't get the race to happen with Go 1.7.

aaronlehmann commented 8 years ago

LGTM