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. */
41 extern int _syscall(int, ...);
42
43 static inline int __unused
__futex(volatile int * uaddr,int op,int val,const struct timespec * timeout,volatile int * uaddr2,int val2,int val3)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
51 static inline int __unused
__futex_set_robust_list(void * head,size_t len)52 __futex_set_robust_list(void *head, size_t len)
53 {
54 return _syscall(SYS___futex_set_robust_list, head, len);
55 }
56
57 static inline int __unused
__futex_get_robust_list(lwpid_t lwpid,void ** headp,size_t * lenp)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