1/* $NetBSD: futex_private.h,v 1.2 2020/05/16 16:16:59 thorpej Exp $ */ 2 3/*- 4 * Copyright (c) 2019 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Jason R. Thorpe. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 * POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32#ifndef __LIBC_FUTEX_PRIVATE 33#define __LIBC_FUTEX_PRIVATE 34 35#include <sys/cdefs.h> 36#include <sys/syscall.h> 37#include <sys/futex.h> 38#include <unistd.h> 39 40/* XXX Avoid pulling in namespace.h. */ 41extern int _syscall(int, ...); 42 43static inline int __unused 44__futex(volatile int *uaddr, int op, int val, const struct timespec *timeout, 45 volatile int *uaddr2, int val2, int val3) 46{ 47 return _syscall(SYS___futex, uaddr, op, val, timeout, uaddr2, 48 val2, val3); 49} 50 51static inline int __unused 52__futex_set_robust_list(void *head, size_t len) 53{ 54 return _syscall(SYS___futex_set_robust_list, head, len); 55} 56 57static inline int __unused 58__futex_get_robust_list(lwpid_t lwpid, void **headp, size_t *lenp) 59{ 60 return _syscall(SYS___futex_get_robust_list, lwpid, headp, lenp); 61} 62 63#endif /* __LIBC_FUTEX_PRIVATE */ 64