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block less?

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This commit is contained in:
JackDoan 2025-11-11 21:37:54 -06:00
parent c6bee8e981
commit 9bdc513da0
4 changed files with 11 additions and 25 deletions
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17
overlay/virtqueue/split_virtqueue.go
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@ -215,23 +215,24 @@ func (sq *SplitQueue) BlockAndGetHeadsCapped(ctx context.Context, maxToTake int)
if sq.more > 0 {
stillNeedToTake, out := sq.usedRing.take(maxToTake)
sq.more = stillNeedToTake
if stillNeedToTake == 0 {
_ = sq.epoll.Clear() //???
}
return out, nil
}
//look inside the fridge
stillNeedToTake, out := sq.usedRing.take(maxToTake)
if len(out) > 0 {
sq.more = stillNeedToTake
return out, nil
}
//fridge is empty I guess
// Wait for a signal from the device.
if n, err = sq.epoll.Block(); err != nil {
return nil, fmt.Errorf("wait: %w", err)
}
if n > 0 {
stillNeedToTake, out := sq.usedRing.take(maxToTake)
_ = sq.epoll.Clear() //???
stillNeedToTake, out = sq.usedRing.take(maxToTake)
sq.more = stillNeedToTake
if stillNeedToTake == 0 {
_ = sq.epoll.Clear() //???
}
return out, nil
}
}