rwlock_error
extern void rwlock_error(const rwlock_t *, const char *, const char *);
rwlock_error(rwlp, "rwlock_unlock",
rwlock_error(rwlp, "rwlock_unlock",
rwlock_error(rwlp, "rwlock_unlock", "lock not owned");
rwlock_error(rwlp, "rwlock_rdlock",
rwlock_error(rwlp, "rwlock_wrlock",
rwlock_error(rwlp, "rwlock_wrlock",