pthread_lock_ops
struct pthread_lock_ops pt_lockops;/* Cached to avoid PIC overhead */
extern const struct pthread_lock_ops *pthread__lock_ops;
static const struct pthread_lock_ops pthread__lock_ops_atomic = {
const struct pthread_lock_ops *pthread__lock_ops = &pthread__lock_ops_ras;
static const struct pthread_lock_ops pthread__lock_ops_ras = {