cpuq
SIMPLEQ_INSERT_TAIL(&cpuq, cq, cq_q);
SIMPLEQ_ENTRY(cpuq) cq_q;
SIMPLEQ_HEAD(, cpuq) cpuq = SIMPLEQ_HEAD_INITIALIZER(cpuq);
struct cpuq *q;
while ((q = SIMPLEQ_FIRST(&cpuq))) {
SIMPLEQ_REMOVE_HEAD(&cpuq, cq_q);
struct cpuq *cq;