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fn: cancellations in WaitAsyncResource (#694)

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* fn: cancellations in WaitAsyncResource

Added go context with cancel to wait async resource. Although
today, the only case for cancellation is shutdown, this cleans
up agent shutdown a little bit.

* fn: locked broadcast to avoid missed wake-ups

* fn: removed ctx arg to WaitAsyncResource and startDequeuer

This is confusing and unnecessary.
This commit is contained in:
Tolga Ceylan
2018-01-17 16:08:54 -08:00
committed by GitHub
parent 7c74c2fe88
commit 5a7778a656
6 changed files with 41 additions and 24 deletions
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2
api/agent/agent.go
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@@ -379,7 +379,7 @@ func (a *agent) hotLauncher(ctx context.Context, callObj *call) {
// waitHot pings and waits for a hot container from the slot queue
func (a *agent) waitHot(ctx context.Context, call *call) (Slot, error) {
ch, cancel := call.slots.startDequeuer(ctx)
ch, cancel := call.slots.startDequeuer()
defer cancel()
for {