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Allow shutdown after timeout

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If a timeout has occurred, the send to recv in recvICMP would block forever
because no goroutine was receiving on that channel anymore. This leaves
behind 2 goroutines for each timeout: 1 trying to send an recv, and another
waiting for the wait group. Instead, used a buffered channel so that the
sender can send even with no listener. This cleans up the goroutines and
collects the channel.
This commit is contained in:
Matt Jibson 2014-11-17 19:11:36 -05:00 committed by Tatsushi Demachi
parent 13ddfb32b1
commit f2eec8c939
1 changed files with 1 additions and 1 deletions
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2
fastping.go
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@ -315,7 +315,7 @@ func (p *Pinger) run(once bool) {
defer conn6.Close() defer conn6.Close()
} }
recv := make(chan *packet) recv := make(chan *packet, 1)
recvCtx := newContext() recvCtx := newContext()
wg := new(sync.WaitGroup) wg := new(sync.WaitGroup)