-#define __NR_sys_futex __NR_futex
-
-_syscall4(int,sys_futex,
- int *, futex,
- int, op,
- int, val,
- struct timespec *, rel);
+#define sys_futex sbcl_sys_futex
+static inline int sys_futex (void *futex, int op, int val, struct timespec *rel)
+{
+ return syscall (SYS_futex, futex, op, val, rel);
+}