func cqEnqueue(msgCount int64, q *spscq.ChunkQ, done chan bool) {
runtime.LockOSThread()
writeBuffer := q.WriteBuffer()
for i := int64(0); i < msgCount; i++ {
writeBuffer[0] = byte(i)
for w := false; w == false; w = q.Write() {
}
}
done <- true
}
