1 /*	$NetBSD: netbsd32_select.c,v 1.19 2010/04/23 15:19:20 rmind 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 1.19 2010/04/23 15:19:20 rmind 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 		ats.tv_sec = tv32.tv_sec;
72 		ats.tv_nsec = tv32.tv_usec * 1000;
73 		ts = &ats;
74 	}
75 
76 	return selcommon(retval, SCARG(uap, nd), SCARG_P32(uap, in),
77 	    SCARG_P32(uap, ou), SCARG_P32(uap, ex), ts, NULL);
78 }
79 
80 int
netbsd32___pselect50(struct lwp * l,const struct netbsd32___pselect50_args * uap,register_t * retval)81 netbsd32___pselect50(struct lwp *l,
82     const struct netbsd32___pselect50_args *uap, register_t *retval)
83 {
84 	/* {
85 		syscallarg(int) nd;
86 		syscallarg(netbsd32_fd_setp_t) in;
87 		syscallarg(netbsd32_fd_setp_t) ou;
88 		syscallarg(netbsd32_fd_setp_t) ex;
89 		syscallarg(const netbsd32_timespecp_t) ts;
90 		syscallarg(const netbsd32_sigsetp_t) mask;
91 	} */
92 	int error;
93 	struct netbsd32_timespec ts32;
94 	struct timespec ats, *ts = NULL;
95 	sigset_t amask, *mask = NULL;
96 
97 	if (SCARG_P32(uap, ts)) {
98 		error = copyin(SCARG_P32(uap, ts), &ts32, sizeof(ts32));
99 		if (error != 0)
100 			return error;
101 		netbsd32_to_timespec(&ts32, &ats);
102 		ts = &ats;
103 	}
104 	if (SCARG_P32(uap, mask)) {
105 		error = copyin(SCARG_P32(uap, mask), &amask, sizeof(amask));
106 		if (error != 0)
107 			return error;
108 		mask = &amask;
109 	}
110 
111 	return selcommon(retval, SCARG(uap, nd), SCARG_P32(uap, in),
112 	    SCARG_P32(uap, ou), SCARG_P32(uap, ex), ts, mask);
113 }
114 
115 int
netbsd32___pollts50(struct lwp * l,const struct netbsd32___pollts50_args * uap,register_t * retval)116 netbsd32___pollts50(struct lwp *l, const struct netbsd32___pollts50_args *uap,
117     register_t *retval)
118 {
119 	/* {
120 		syscallarg(struct netbsd32_pollfdp_t) fds;
121 		syscallarg(u_int) nfds;
122 		syscallarg(const netbsd32_timespecp_t) ts;
123 		syscallarg(const netbsd32_sigsetp_t) mask;
124 	} */
125 	int error;
126 	struct netbsd32_timespec ts32;
127 	struct timespec ats, *ts = NULL;
128 	sigset_t amask, *mask = NULL;
129 
130 	if (SCARG_P32(uap, ts)) {
131 		error = copyin(SCARG_P32(uap, ts), &ts32, sizeof(ts32));
132 		if (error != 0)
133 			return error;
134 		netbsd32_to_timespec(&ts32, &ats);
135 		ts = &ats;
136 	}
137 	if (NETBSD32PTR64( SCARG(uap, mask))) {
138 		error = copyin(SCARG_P32(uap, mask), &amask, sizeof(amask));
139 		if (error != 0)
140 			return error;
141 		mask = &amask;
142 	}
143 
144 	return pollcommon(retval, SCARG_P32(uap, fds),
145 	    SCARG(uap, nfds), ts, mask);
146 }
147