netbsd32_sem.c revision 1.7.2.1 1 1.7.2.1 wrstuden /* $NetBSD: netbsd32_sem.c,v 1.7.2.1 2008/05/10 23:48:58 wrstuden Exp $ */
2 1.1 cube
3 1.1 cube /*
4 1.1 cube * Copyright (c) 2006 The NetBSD Foundation.
5 1.1 cube * All rights reserved.
6 1.1 cube *
7 1.1 cube * Redistribution and use in source and binary forms, with or without
8 1.1 cube * modification, are permitted provided that the following conditions
9 1.1 cube * are met:
10 1.1 cube * 1. Redistributions of source code must retain the above copyright
11 1.1 cube * notice, this list of conditions and the following disclaimer.
12 1.1 cube * 2. Redistributions in binary form must reproduce the above copyright
13 1.1 cube * notice, this list of conditions and the following disclaimer in the
14 1.1 cube * documentation and/or other materials provided with the distribution.
15 1.1 cube *
16 1.1 cube * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
17 1.1 cube * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
18 1.1 cube * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
19 1.1 cube * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
20 1.1 cube * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
21 1.1 cube * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
22 1.1 cube * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
23 1.1 cube * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
24 1.1 cube * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
25 1.1 cube * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
26 1.1 cube * POSSIBILITY OF SUCH DAMAGE.
27 1.1 cube */
28 1.1 cube
29 1.1 cube #include <sys/cdefs.h>
30 1.7.2.1 wrstuden __KERNEL_RCSID(0, "$NetBSD: netbsd32_sem.c,v 1.7.2.1 2008/05/10 23:48:58 wrstuden Exp $");
31 1.1 cube
32 1.1 cube #ifdef _KERNEL_OPT
33 1.1 cube #include "opt_posix.h"
34 1.1 cube #endif
35 1.1 cube
36 1.1 cube #include <sys/types.h>
37 1.1 cube #include <sys/param.h>
38 1.1 cube #include <sys/systm.h>
39 1.1 cube #include <sys/kernel.h>
40 1.1 cube #include <sys/dirent.h>
41 1.1 cube #include <sys/ksem.h>
42 1.1 cube #include <sys/mount.h>
43 1.1 cube #include <sys/proc.h>
44 1.7.2.1 wrstuden #include <sys/sa.h>
45 1.1 cube #include <sys/syscallargs.h>
46 1.1 cube
47 1.1 cube #include <compat/netbsd32/netbsd32.h>
48 1.1 cube #include <compat/netbsd32/netbsd32_syscallargs.h>
49 1.1 cube #include <compat/netbsd32/netbsd32_conv.h>
50 1.1 cube
51 1.1 cube static int
52 1.1 cube netbsd32_ksem_copyout(const void *src, void *dst, size_t size)
53 1.1 cube {
54 1.1 cube const semid_t *idp = src;
55 1.1 cube netbsd32_semid_t id32, *outidp = dst;
56 1.1 cube
57 1.1 cube KASSERT(size == sizeof(semid_t));
58 1.1 cube
59 1.3 dsl /* Returning a kernel pointer to userspace sucks badly :-( */
60 1.3 dsl id32 = (netbsd32_semid_t)*idp;
61 1.1 cube return copyout(&id32, outidp, sizeof(id32));
62 1.1 cube }
63 1.1 cube
64 1.1 cube int
65 1.6 dsl netbsd32__ksem_init(struct lwp *l, const struct netbsd32__ksem_init_args *uap, register_t *retval)
66 1.1 cube {
67 1.6 dsl /* {
68 1.1 cube syscallarg(unsigned int) value;
69 1.1 cube syscallarg(netbsd32_semidp_t) idp;
70 1.6 dsl } */
71 1.1 cube
72 1.1 cube return do_ksem_init(l, SCARG(uap, value),
73 1.4 dsl SCARG_P32(uap, idp), netbsd32_ksem_copyout);
74 1.1 cube }
75 1.1 cube
76 1.1 cube int
77 1.6 dsl netbsd32__ksem_open(struct lwp *l, const struct netbsd32__ksem_open_args *uap, register_t *retval)
78 1.1 cube {
79 1.6 dsl /* {
80 1.1 cube syscallarg(const netbsd32_charp) name;
81 1.1 cube syscallarg(int) oflag;
82 1.1 cube syscallarg(mode_t) mode;
83 1.1 cube syscallarg(unsigned int) value;
84 1.1 cube syscallarg(netbsd32_semidp_t) idp;
85 1.6 dsl } */
86 1.1 cube
87 1.4 dsl return do_ksem_open(l, SCARG_P32(uap, name),
88 1.1 cube SCARG(uap, oflag), SCARG(uap, mode), SCARG(uap, value),
89 1.4 dsl SCARG_P32(uap, idp), netbsd32_ksem_copyout);
90 1.1 cube }
91 1.1 cube
92 1.1 cube int
93 1.6 dsl netbsd32__ksem_unlink(struct lwp *l, const struct netbsd32__ksem_unlink_args *uap, register_t *retval)
94 1.1 cube {
95 1.6 dsl /* {
96 1.1 cube syscallarg(const netbsd32_charp) name;
97 1.6 dsl } */
98 1.1 cube struct sys__ksem_unlink_args ua;
99 1.1 cube
100 1.1 cube NETBSD32TOP_UAP(name, const char);
101 1.1 cube return sys__ksem_unlink(l, &ua, retval);
102 1.1 cube }
103 1.1 cube
104 1.1 cube int
105 1.6 dsl netbsd32__ksem_close(struct lwp *l, const struct netbsd32__ksem_close_args *uap, register_t *retval)
106 1.1 cube {
107 1.6 dsl /* {
108 1.1 cube syscallarg(netbsd32_semid_t) id;
109 1.6 dsl } */
110 1.1 cube struct sys__ksem_close_args ua;
111 1.1 cube
112 1.1 cube NETBSD32TOX_UAP(id, semid_t);
113 1.1 cube return sys__ksem_close(l, &ua, retval);
114 1.1 cube }
115 1.1 cube
116 1.1 cube int
117 1.6 dsl netbsd32__ksem_post(struct lwp *l, const struct netbsd32__ksem_post_args *uap, register_t *retval)
118 1.1 cube {
119 1.6 dsl /* {
120 1.1 cube syscallarg(netbsd32_semid_t) id;
121 1.6 dsl } */
122 1.1 cube struct sys__ksem_post_args ua;
123 1.1 cube
124 1.1 cube NETBSD32TOX_UAP(id, semid_t);
125 1.1 cube return sys__ksem_post(l, &ua, retval);
126 1.1 cube }
127 1.1 cube
128 1.1 cube int
129 1.6 dsl netbsd32__ksem_wait(struct lwp *l, const struct netbsd32__ksem_wait_args *uap, register_t *retval)
130 1.1 cube {
131 1.6 dsl /* {
132 1.1 cube syscallarg(netbsd32_semid_t) id;
133 1.6 dsl } */
134 1.1 cube struct sys__ksem_wait_args ua;
135 1.1 cube
136 1.1 cube NETBSD32TOX_UAP(id, semid_t);
137 1.1 cube return sys__ksem_wait(l, &ua, retval);
138 1.1 cube }
139 1.1 cube
140 1.1 cube int
141 1.6 dsl netbsd32__ksem_trywait(struct lwp *l, const struct netbsd32__ksem_trywait_args *uap, register_t *retval)
142 1.1 cube {
143 1.6 dsl /* {
144 1.1 cube syscallarg(netbsd32_semid_t) id;
145 1.6 dsl } */
146 1.1 cube struct sys__ksem_trywait_args ua;
147 1.1 cube
148 1.1 cube NETBSD32TOX_UAP(id, semid_t);
149 1.1 cube return sys__ksem_trywait(l, &ua, retval);
150 1.1 cube }
151 1.1 cube
152 1.1 cube int
153 1.6 dsl netbsd32__ksem_destroy(struct lwp *l, const struct netbsd32__ksem_destroy_args *uap, register_t *retval)
154 1.1 cube {
155 1.6 dsl /* {
156 1.1 cube syscallarg(netbsd32_semid_t) id;
157 1.6 dsl } */
158 1.1 cube struct sys__ksem_destroy_args ua;
159 1.1 cube
160 1.1 cube NETBSD32TOX_UAP(id, semid_t);
161 1.1 cube return sys__ksem_destroy(l, &ua, retval);
162 1.1 cube }
163 1.1 cube
164 1.1 cube int
165 1.6 dsl netbsd32__ksem_getvalue(struct lwp *l, const struct netbsd32__ksem_getvalue_args *uap, register_t *retval)
166 1.1 cube {
167 1.6 dsl /* {
168 1.1 cube syscallarg(netbsd32_semid_t) id;
169 1.1 cube syscallarg(netbsd32_intp) value;
170 1.6 dsl } */
171 1.1 cube struct sys__ksem_getvalue_args ua;
172 1.1 cube
173 1.1 cube NETBSD32TOX_UAP(id, semid_t);
174 1.1 cube NETBSD32TOP_UAP(value, unsigned int);
175 1.1 cube return sys__ksem_getvalue(l, &ua, retval);
176 1.1 cube }
177