netbsd32_sem.c revision 1.1.14.3 1 /* $NetBSD: netbsd32_sem.c,v 1.1.14.3 2007/02/26 09:09:32 yamt Exp $ */
2
3 /*
4 * Copyright (c) 2006 The NetBSD Foundation.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to the NetBSD Foundation
8 * by Quentin Garnier.
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 * 3. All advertising materials mentioning features or use of this software
19 * must display the following acknowledgement:
20 * This product includes software developed by the NetBSD
21 * Foundation, Inc. and its contributors.
22 * 4. Neither the name of The NetBSD Foundation nor the names of its
23 * contributors may be used to endorse or promote products derived
24 * from this software without specific prior written permission.
25 *
26 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
27 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
28 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
29 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
30 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
31 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
32 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
33 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
34 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
35 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
36 * POSSIBILITY OF SUCH DAMAGE.
37 */
38
39 #include <sys/cdefs.h>
40 __KERNEL_RCSID(0, "$NetBSD: netbsd32_sem.c,v 1.1.14.3 2007/02/26 09:09:32 yamt Exp $");
41
42 #ifdef _KERNEL_OPT
43 #include "opt_posix.h"
44 #endif
45
46 #include <sys/types.h>
47 #include <sys/param.h>
48 #include <sys/systm.h>
49 #include <sys/kernel.h>
50 #include <sys/dirent.h>
51 #include <sys/ksem.h>
52 #include <sys/mount.h>
53 #include <sys/proc.h>
54 #include <sys/syscallargs.h>
55
56 #include <compat/netbsd32/netbsd32.h>
57 #include <compat/netbsd32/netbsd32_syscallargs.h>
58 #include <compat/netbsd32/netbsd32_conv.h>
59
60 static int
61 netbsd32_ksem_copyout(const void *src, void *dst, size_t size)
62 {
63 const semid_t *idp = src;
64 netbsd32_semid_t id32, *outidp = dst;
65
66 KASSERT(size == sizeof(semid_t));
67
68 id32 = (netbsd32_semidp_t)(*idp & 0xffffffff);
69 return copyout(&id32, outidp, sizeof(id32));
70 }
71
72 int
73 netbsd32__ksem_init(struct lwp *l, void *v, register_t *retval)
74 {
75 struct netbsd32__ksem_init_args /* {
76 syscallarg(unsigned int) value;
77 syscallarg(netbsd32_semidp_t) idp;
78 } */ *uap = v;
79
80 return do_ksem_init(l, SCARG(uap, value),
81 NETBSD32PTR64(SCARG(uap, idp)), netbsd32_ksem_copyout);
82 }
83
84 int
85 netbsd32__ksem_open(struct lwp *l, void *v, register_t *retval)
86 {
87 struct netbsd32__ksem_open_args /* {
88 syscallarg(const netbsd32_charp) name;
89 syscallarg(int) oflag;
90 syscallarg(mode_t) mode;
91 syscallarg(unsigned int) value;
92 syscallarg(netbsd32_semidp_t) idp;
93 } */ *uap = v;
94
95 return do_ksem_open(l, NETBSD32PTR64(SCARG(uap, name)),
96 SCARG(uap, oflag), SCARG(uap, mode), SCARG(uap, value),
97 NETBSD32PTR64(SCARG(uap, idp)), netbsd32_ksem_copyout);
98 }
99
100 int
101 netbsd32__ksem_unlink(struct lwp *l, void *v, register_t *retval)
102 {
103 struct netbsd32__ksem_unlink_args /* {
104 syscallarg(const netbsd32_charp) name;
105 } */ *uap = v;
106 struct sys__ksem_unlink_args ua;
107
108 NETBSD32TOP_UAP(name, const char);
109 return sys__ksem_unlink(l, &ua, retval);
110 }
111
112 int
113 netbsd32__ksem_close(struct lwp *l, void *v, register_t *retval)
114 {
115 struct netbsd32__ksem_close_args /* {
116 syscallarg(netbsd32_semid_t) id;
117 } */ *uap = v;
118 struct sys__ksem_close_args ua;
119
120 NETBSD32TOX_UAP(id, semid_t);
121 return sys__ksem_close(l, &ua, retval);
122 }
123
124 int
125 netbsd32__ksem_post(struct lwp *l, void *v, register_t *retval)
126 {
127 struct netbsd32__ksem_post_args /* {
128 syscallarg(netbsd32_semid_t) id;
129 } */ *uap = v;
130 struct sys__ksem_post_args ua;
131
132 NETBSD32TOX_UAP(id, semid_t);
133 return sys__ksem_post(l, &ua, retval);
134 }
135
136 int
137 netbsd32__ksem_wait(struct lwp *l, void *v, register_t *retval)
138 {
139 struct netbsd32__ksem_wait_args /* {
140 syscallarg(netbsd32_semid_t) id;
141 } */ *uap = v;
142 struct sys__ksem_wait_args ua;
143
144 NETBSD32TOX_UAP(id, semid_t);
145 return sys__ksem_wait(l, &ua, retval);
146 }
147
148 int
149 netbsd32__ksem_trywait(struct lwp *l, void *v, register_t *retval)
150 {
151 struct netbsd32__ksem_trywait_args /* {
152 syscallarg(netbsd32_semid_t) id;
153 } */ *uap = v;
154 struct sys__ksem_trywait_args ua;
155
156 NETBSD32TOX_UAP(id, semid_t);
157 return sys__ksem_trywait(l, &ua, retval);
158 }
159
160 int
161 netbsd32__ksem_destroy(struct lwp *l, void *v, register_t *retval)
162 {
163 struct netbsd32__ksem_destroy_args /* {
164 syscallarg(netbsd32_semid_t) id;
165 } */ *uap = v;
166 struct sys__ksem_destroy_args ua;
167
168 NETBSD32TOX_UAP(id, semid_t);
169 return sys__ksem_destroy(l, &ua, retval);
170 }
171
172 int
173 netbsd32__ksem_getvalue(struct lwp *l, void *v, register_t *retval)
174 {
175 struct netbsd32__ksem_getvalue_args /* {
176 syscallarg(netbsd32_semid_t) id;
177 syscallarg(netbsd32_intp) value;
178 } */ *uap = v;
179 struct sys__ksem_getvalue_args ua;
180
181 NETBSD32TOX_UAP(id, semid_t);
182 NETBSD32TOP_UAP(value, unsigned int);
183 return sys__ksem_getvalue(l, &ua, retval);
184 }
185