1/*	$NetBSD: netbsd32_select.c,v 1.20 2019/09/20 15:16:41 kamil Exp $	*/
2
3/*
4 * Copyright (c) 1998, 2001 Matthew R. Green
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 *    notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 *    notice, this list of conditions and the following disclaimer in the
14 *    documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
18 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
19 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
21 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
22 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
23 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
24 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * SUCH DAMAGE.
27 */
28
29#include <sys/cdefs.h>
30__KERNEL_RCSID(0, "$NetBSD: netbsd32_select.c,v 1.20 2019/09/20 15:16:41 kamil Exp $");
31
32#include <sys/param.h>
33#include <sys/systm.h>
34#include <sys/mount.h>
35#include <sys/time.h>
36#include <sys/vnode.h>
37#include <sys/file.h>
38#include <sys/filedesc.h>
39#include <sys/poll.h>
40#include <sys/select.h>
41#include <sys/dirent.h>
42
43#include <sys/proc.h>
44
45#include <net/if.h>
46
47#include <compat/netbsd32/netbsd32.h>
48#include <compat/netbsd32/netbsd32_syscall.h>
49#include <compat/netbsd32/netbsd32_syscallargs.h>
50#include <compat/netbsd32/netbsd32_conv.h>
51
52int
53netbsd32___select50(struct lwp *l,
54    const struct netbsd32___select50_args *uap, register_t *retval)
55{
56	/* {
57		syscallarg(int) nd;
58		syscallarg(netbsd32_fd_setp_t) in;
59		syscallarg(netbsd32_fd_setp_t) ou;
60		syscallarg(netbsd32_fd_setp_t) ex;
61		syscallarg(netbsd32_timevalp_t) tv;
62	} */
63	int error;
64	struct netbsd32_timeval tv32;
65	struct timespec ats, *ts = NULL;
66
67	if (SCARG_P32(uap, tv)) {
68		error = copyin(SCARG_P32(uap, tv), &tv32, sizeof(tv32));
69		if (error != 0)
70			return error;
71
72		if (tv32.tv_usec < 0 || tv32.tv_usec >= 1000000)
73			return EINVAL;
74
75		ats.tv_sec = tv32.tv_sec;
76		ats.tv_nsec = tv32.tv_usec * 1000;
77		ts = &ats;
78	}
79
80	return selcommon(retval, SCARG(uap, nd), SCARG_P32(uap, in),
81	    SCARG_P32(uap, ou), SCARG_P32(uap, ex), ts, NULL);
82}
83
84int
85netbsd32___pselect50(struct lwp *l,
86    const struct netbsd32___pselect50_args *uap, register_t *retval)
87{
88	/* {
89		syscallarg(int) nd;
90		syscallarg(netbsd32_fd_setp_t) in;
91		syscallarg(netbsd32_fd_setp_t) ou;
92		syscallarg(netbsd32_fd_setp_t) ex;
93		syscallarg(const netbsd32_timespecp_t) ts;
94		syscallarg(const netbsd32_sigsetp_t) mask;
95	} */
96	int error;
97	struct netbsd32_timespec ts32;
98	struct timespec ats, *ts = NULL;
99	sigset_t amask, *mask = NULL;
100
101	if (SCARG_P32(uap, ts)) {
102		error = copyin(SCARG_P32(uap, ts), &ts32, sizeof(ts32));
103		if (error != 0)
104			return error;
105		netbsd32_to_timespec(&ts32, &ats);
106		ts = &ats;
107	}
108	if (SCARG_P32(uap, mask)) {
109		error = copyin(SCARG_P32(uap, mask), &amask, sizeof(amask));
110		if (error != 0)
111			return error;
112		mask = &amask;
113	}
114
115	return selcommon(retval, SCARG(uap, nd), SCARG_P32(uap, in),
116	    SCARG_P32(uap, ou), SCARG_P32(uap, ex), ts, mask);
117}
118
119int
120netbsd32___pollts50(struct lwp *l, const struct netbsd32___pollts50_args *uap,
121    register_t *retval)
122{
123	/* {
124		syscallarg(struct netbsd32_pollfdp_t) fds;
125		syscallarg(u_int) nfds;
126		syscallarg(const netbsd32_timespecp_t) ts;
127		syscallarg(const netbsd32_sigsetp_t) mask;
128	} */
129	int error;
130	struct netbsd32_timespec ts32;
131	struct timespec ats, *ts = NULL;
132	sigset_t amask, *mask = NULL;
133
134	if (SCARG_P32(uap, ts)) {
135		error = copyin(SCARG_P32(uap, ts), &ts32, sizeof(ts32));
136		if (error != 0)
137			return error;
138		netbsd32_to_timespec(&ts32, &ats);
139		ts = &ats;
140	}
141	if (NETBSD32PTR64( SCARG(uap, mask))) {
142		error = copyin(SCARG_P32(uap, mask), &amask, sizeof(amask));
143		if (error != 0)
144			return error;
145		mask = &amask;
146	}
147
148	return pollcommon(retval, SCARG_P32(uap, fds),
149	    SCARG(uap, nfds), ts, mask);
150}
151