func bcqarEnqueue(msgCount int64, q *spscq.ByteChunkQ, done chan bool) {
runtime.LockOSThread()
for i := int64(0); i < msgCount; i++ {
writeBuffer := q.AcquireWrite()
for writeBuffer == nil {
writeBuffer = q.AcquireWrite()
}
writeBuffer[0] = byte(i)
q.ReleaseWrite()
}
done <- true
}
