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
52 int
netbsd32___select50(struct lwp * l,const struct netbsd32___select50_args * uap,register_t * retval)53 netbsd32___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
84 int
netbsd32___pselect50(struct lwp * l,const struct netbsd32___pselect50_args * uap,register_t * retval)85 netbsd32___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
119 int
netbsd32___pollts50(struct lwp * l,const struct netbsd32___pollts50_args * uap,register_t * retval)120 netbsd32___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