FUTEX_LOCK_PI
#define FUTEX_LOCK_PI_PRIVATE (FUTEX_LOCK_PI | FUTEX_PRIVATE_FLAG)
case FUTEX_LOCK_PI:
case FUTEX_LOCK_PI:
else if (cmd != FUTEX_LOCK_PI && !(op & FUTEX_CLOCK_REALTIME))
case FUTEX_LOCK_PI:
return futex_syscall(uaddr, FUTEX_LOCK_PI, 0, timeout, NULL, 0, opflags);
return futex(uaddr, FUTEX_LOCK_PI, detect, timeout, NULL, 0, opflags);