netbsd32_signal.c revision 1.1.4.6 1 /* $NetBSD: netbsd32_signal.c,v 1.1.4.6 2002/12/11 06:37:38 thorpej 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 * 3. The name of the author may not be used to endorse or promote products
16 * derived from this software without specific prior written permission.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
19 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
20 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
21 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
22 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
23 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
24 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
25 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
26 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
27 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
28 * SUCH DAMAGE.
29 */
30
31 #include <sys/cdefs.h>
32 __KERNEL_RCSID(0, "$NetBSD: netbsd32_signal.c,v 1.1.4.6 2002/12/11 06:37:38 thorpej Exp $");
33
34 #include <sys/param.h>
35 #include <sys/systm.h>
36 #include <sys/malloc.h>
37 #include <sys/mount.h>
38 #include <sys/stat.h>
39 #include <sys/time.h>
40 #include <sys/signalvar.h>
41 #include <sys/proc.h>
42
43 #include <compat/netbsd32/netbsd32.h>
44 #include <compat/netbsd32/netbsd32_syscallargs.h>
45
46 int
47 netbsd32_sigaction(l, v, retval)
48 struct lwp *l;
49 void *v;
50 register_t *retval;
51 {
52 struct netbsd32_sigaction_args /* {
53 syscallarg(int) signum;
54 syscallarg(const netbsd32_sigactionp_t) nsa;
55 syscallarg(netbsd32_sigactionp_t) osa;
56 } */ *uap = v;
57 struct sigaction nsa, osa;
58 struct netbsd32_sigaction *sa32p, sa32;
59 int error;
60
61 if (SCARG(uap, nsa)) {
62 sa32p =
63 (struct netbsd32_sigaction *)NETBSD32PTR64(SCARG(uap, nsa));
64 if (copyin(sa32p, &sa32, sizeof(sa32)))
65 return EFAULT;
66 nsa.sa_handler = (void *)NETBSD32PTR64(sa32.netbsd32_sa_handler);
67 nsa.sa_mask = sa32.netbsd32_sa_mask;
68 nsa.sa_flags = sa32.netbsd32_sa_flags;
69 }
70 error = sigaction1(l->l_proc, SCARG(uap, signum),
71 SCARG(uap, nsa) ? &nsa : 0,
72 SCARG(uap, osa) ? &osa : 0,
73 NULL, 0);
74
75 if (error)
76 return (error);
77
78 if (SCARG(uap, osa)) {
79 sa32.netbsd32_sa_handler = (netbsd32_sigactionp_t)(u_long)osa.sa_handler;
80 sa32.netbsd32_sa_mask = osa.sa_mask;
81 sa32.netbsd32_sa_flags = osa.sa_flags;
82 sa32p =
83 (struct netbsd32_sigaction *)NETBSD32PTR64(SCARG(uap, osa));
84 if (copyout(&sa32, sa32p, sizeof(sa32)))
85 return EFAULT;
86 }
87
88 return (0);
89 }
90
91 int
92 netbsd32___sigaltstack14(l, v, retval)
93 struct lwp *l;
94 void *v;
95 register_t *retval;
96 {
97 struct netbsd32___sigaltstack14_args /* {
98 syscallarg(const netbsd32_sigaltstackp_t) nss;
99 syscallarg(netbsd32_sigaltstackp_t) oss;
100 } */ *uap = v;
101 struct netbsd32_sigaltstack s32;
102 struct sigaltstack nss, oss;
103 int error;
104
105 if (SCARG(uap, nss)) {
106 error = copyin((caddr_t)NETBSD32PTR64(SCARG(uap, nss)), &s32,
107 sizeof(s32));
108 if (error)
109 return (error);
110 nss.ss_sp = (void *)NETBSD32PTR64(s32.ss_sp);
111 nss.ss_size = (size_t)s32.ss_size;
112 nss.ss_flags = s32.ss_flags;
113 }
114 error = sigaltstack1(l->l_proc,
115 SCARG(uap, nss) ? &nss : 0, SCARG(uap, oss) ? &oss : 0);
116 if (error)
117 return (error);
118 if (SCARG(uap, oss)) {
119 s32.ss_sp = (netbsd32_voidp)(u_long)oss.ss_sp;
120 s32.ss_size = (netbsd32_size_t)oss.ss_size;
121 s32.ss_flags = oss.ss_flags;
122 error = copyout(&s32, (caddr_t)NETBSD32PTR64(SCARG(uap, oss)),
123 sizeof(s32));
124 if (error)
125 return (error);
126 }
127 return (0);
128 }
129
130 /* ARGSUSED */
131 int
132 netbsd32___sigaction14(l, v, retval)
133 struct lwp *l;
134 void *v;
135 register_t *retval;
136 {
137 struct netbsd32___sigaction14_args /* {
138 syscallarg(int) signum;
139 syscallarg(const struct sigaction *) nsa;
140 syscallarg(struct sigaction *) osa;
141 } */ *uap = v;
142 struct netbsd32_sigaction sa32;
143 struct sigaction nsa, osa;
144 int error;
145
146 if (SCARG(uap, nsa)) {
147 error = copyin((caddr_t)NETBSD32PTR64(SCARG(uap, nsa)), &sa32,
148 sizeof(sa32));
149 if (error)
150 return (error);
151 nsa.sa_handler = (void *)NETBSD32PTR64(sa32.netbsd32_sa_handler);
152 nsa.sa_mask = sa32.netbsd32_sa_mask;
153 nsa.sa_flags = sa32.netbsd32_sa_flags;
154 }
155 error = sigaction1(l->l_proc, SCARG(uap, signum),
156 SCARG(uap, nsa) ? &nsa : 0, SCARG(uap, osa) ? &osa : 0,
157 NULL, 0);
158 if (error)
159 return (error);
160 if (SCARG(uap, osa)) {
161 sa32.netbsd32_sa_handler = (netbsd32_voidp)(u_long)osa.sa_handler;
162 sa32.netbsd32_sa_mask = osa.sa_mask;
163 sa32.netbsd32_sa_flags = osa.sa_flags;
164 error = copyout(&sa32, (caddr_t)NETBSD32PTR64(SCARG(uap, osa)),
165 sizeof(sa32));
166 if (error)
167 return (error);
168 }
169 return (0);
170 }
171
172 /* ARGSUSED */
173 int
174 netbsd32___sigaction_sigtramp(l, v, retval)
175 struct lwp *l;
176 void *v;
177 register_t *retval;
178 {
179 struct netbsd32___sigaction_sigtramp_args /* {
180 syscallarg(int) signum;
181 syscallarg(const netbsd32_sigactionp_t) nsa;
182 syscallarg(netbsd32_sigactionp_t) osa;
183 syscallarg(netbsd32_voidp) tramp;
184 syscallarg(int) vers;
185 } */ *uap = v;
186 struct proc *p = l->l_proc;
187 struct netbsd32_sigaction sa32;
188 struct sigaction nsa, osa;
189 int error;
190
191 if (SCARG(uap, nsa)) {
192 error = copyin((caddr_t)NETBSD32PTR64(SCARG(uap, nsa)), &sa32,
193 sizeof(sa32));
194 if (error)
195 return (error);
196 nsa.sa_handler = (void *)NETBSD32PTR64(sa32.netbsd32_sa_handler);
197 nsa.sa_mask = sa32.netbsd32_sa_mask;
198 nsa.sa_flags = sa32.netbsd32_sa_flags;
199 }
200 error = sigaction1(p, SCARG(uap, signum),
201 SCARG(uap, nsa) ? &nsa : 0, SCARG(uap, osa) ? &osa : 0,
202 NETBSD32PTR64(SCARG(uap, tramp)), SCARG(uap, vers));
203 if (error)
204 return (error);
205 if (SCARG(uap, osa)) {
206 sa32.netbsd32_sa_handler = (netbsd32_voidp)(u_long)osa.sa_handler;
207 sa32.netbsd32_sa_mask = osa.sa_mask;
208 sa32.netbsd32_sa_flags = osa.sa_flags;
209 error = copyout(&sa32, (caddr_t)NETBSD32PTR64(SCARG(uap, osa)),
210 sizeof(sa32));
211 if (error)
212 return (error);
213 }
214 return (0);
215 }
216