1/*	$NetBSD: linux32_sigevent.h,v 1.2 2021/09/19 22:30:28 thorpej Exp $	*/
2
3/*-
4 * Copyright (c) 2005 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by Frank van der Linden.
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 _LINUX32_SIGEVENT_H
33#define _LINUX32_SIGEVENT_H
34
35typedef union linux32_sigval {
36	int		sival_int;
37	netbsd32_voidp	sival_ptr;
38} linux32_sigval_t;
39
40#define LINUX32_SIGEV_MAX  64
41#ifndef LINUX32_SIGEV_PAD
42#define LINUX32_SIGEV_PAD ((LINUX32_SIGEV_MAX -				\
43			    (sizeof(linux32_sigval_t) + (sizeof(int) * 2))) / \
44			   sizeof(int))
45#endif
46
47typedef struct linux32_sigevent {
48	linux32_sigval_t sigev_value;	/* sizeof(pointer) */
49	int sigev_signo;
50	int sigev_notify;
51	/* guaranteed to have natural pointer alignment */
52	union {
53		int pad[LINUX32_SIGEV_PAD];
54		int tid;
55		struct {
56			void (*func)(linux32_sigval_t);
57			void *attr;
58		} _sigev_thread;
59	} _sigev_un;
60} linux32_sigevent_t;
61
62int	linux32_to_native_sigevent(struct sigevent *,
63	    const struct linux32_sigevent *);
64int	linux32_sigevent_copyin(const void *, void *, size_t);
65
66#endif /* _LINUX32_SIGEVENT_H */
67