1 /* $NetBSD: svr4_32_lwp.c,v 1.16 2008/04/28 20:23:46 martin Exp $ */
2
3 /*-
4 * Copyright (c) 1999 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by Christos Zoulas.
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 *
19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29 * POSSIBILITY OF SUCH DAMAGE.
30 */
31
32 #include <sys/cdefs.h>
33 __KERNEL_RCSID(0, "$NetBSD: svr4_32_lwp.c,v 1.16 2008/04/28 20:23:46 martin Exp $");
34
35 #include <sys/param.h>
36 #include <sys/kernel.h>
37 #include <sys/systm.h>
38 #include <sys/queue.h>
39 #include <sys/mbuf.h>
40 #include <sys/file.h>
41 #include <sys/mount.h>
42 #include <sys/time.h>
43 #include <sys/resourcevar.h>
44 #include <sys/proc.h>
45 #include <sys/user.h>
46 #include <sys/socket.h>
47 #include <sys/socketvar.h>
48 #include <sys/syscallargs.h>
49 #include <sys/un.h>
50 #include <sys/stat.h>
51
52 #include <compat/svr4_32/svr4_32_types.h>
53 #include <compat/svr4_32/svr4_32_util.h>
54 #include <compat/svr4_32/svr4_32_socket.h>
55 #include <compat/svr4_32/svr4_32_signal.h>
56 #include <compat/svr4/svr4_sockmod.h>
57 #include <compat/svr4_32/svr4_32_lwp.h>
58 #include <compat/svr4_32/svr4_32_ucontext.h>
59 #include <compat/svr4_32/svr4_32_syscallargs.h>
60
61
62 #if 0
63 int
64 svr4_32_sys__lwp_self(struct proc *p, void *v, register_t *retval)
65 {
66 return sys_getpid(p, v, retval);
67 }
68 #endif
69
70
71 int
72 svr4_32_sys__lwp_create(struct lwp *l, const struct svr4_32_sys__lwp_create_args *uap, register_t *retval)
73 {
74 struct sys__lwp_create_args lc;
75 int flags;
76
77 flags = 0;
78
79 if (SCARG(uap, flags) & SVR4_LWP_DETACHED)
80 flags &= LWP_DETACHED;
81
82 if (SCARG(uap, flags) & SVR4_LWP_SUSPENDED)
83 flags &= LWP_SUSPENDED;
84
85 if (SCARG(uap, flags) & SVR4___LWP_ASLWP) {
86 /* XXX Punt! */
87 }
88
89 #if 0
90 /* XXX this is probably incorrect */
91 SCARG(&lc, ucp) = (ucontext_t *)SCARG(uap, uc);
92 SCARG(&lc, new_lwp) = SCARG(uap, lwpid);
93 #endif
94 SCARG(&lc, flags) = flags;
95
96 return sys__lwp_create(l, &lc, retval);
97 }
98
99 int
100 svr4_32_sys__lwp_kill(struct lwp *l, const struct svr4_32_sys__lwp_kill_args *uap, register_t *retval)
101 {
102 struct sys__lwp_kill_args ap;
103 SCARG(&ap, target) = SCARG(uap, lwpid);
104 SCARG(&ap, signo) = SCARG(uap, signum);
105
106 return sys__lwp_kill(l, &ap, retval);
107 }
108
109 int
110 svr4_32_sys__lwp_info(struct lwp *l, const struct svr4_32_sys__lwp_info_args *uap, register_t *retval)
111 {
112 struct proc *p = l->l_proc;
113 struct svr4_32_lwpinfo lwpinfo;
114 int error;
115
116 TIMEVAL_TO_TIMESPEC(&p->p_stats->p_ru.ru_stime, &lwpinfo.lwp_stime);
117 TIMEVAL_TO_TIMESPEC(&p->p_stats->p_ru.ru_utime, &lwpinfo.lwp_utime);
118
119 if ((error = copyout(&lwpinfo, SCARG_P32(uap, lwpinfo),
120 sizeof(lwpinfo))) == -1)
121 return error;
122 return 0;
123 }
124
125 int
126 svr4_32_sys__lwp_exit(struct lwp *l, const void *v, register_t *retval)
127 {
128
129 return sys__lwp_exit(l, NULL, retval);
130 }
131
132 int
133 svr4_32_sys__lwp_wait(struct lwp *l, const struct svr4_32_sys__lwp_wait_args *uap, register_t *retval)
134 {
135 struct sys__lwp_wait_args ap;
136
137 SCARG(&ap, wait_for) = SCARG(uap, wait_for);
138 SCARG(&ap, departed) = SCARG_P32(uap, departed_lwp);
139
140 return sys__lwp_wait(l, &ap, retval);
141 }
142
143 int
144 svr4_32_sys__lwp_suspend(struct lwp *l, const struct svr4_32_sys__lwp_suspend_args *uap, register_t *retval)
145 {
146 struct sys__lwp_suspend_args ap;
147
148 SCARG(&ap, target) = SCARG(uap, lwpid);
149
150 return sys__lwp_suspend(l, &ap, retval);
151 }
152
153 int
154 svr4_32_sys__lwp_continue(struct lwp *l, const struct svr4_32_sys__lwp_continue_args *uap, register_t *retval)
155 {
156 struct sys__lwp_continue_args ap;
157
158 SCARG(&ap, target) = SCARG(uap, lwpid);
159
160 return sys__lwp_continue(l, &ap, retval);
161 }
162
163 int
164 svr4_32_sys__lwp_getprivate(struct lwp *l, const void *v, register_t *retval)
165 {
166 /* XXX NJWLWP: Replace with call to native version if we ever
167 * implement that. */
168
169 *retval = (register_t)l->l_private;
170 return 0;
171 }
172
173 int
174 svr4_32_sys__lwp_setprivate(struct lwp *l, const struct svr4_32_sys__lwp_setprivate_args *uap, register_t *retval)
175 {
176 #if 0
177
178 /* XXX NJWLWP: Replace with call to native version if we ever
179 * implement that. */
180
181 return copyin(SCARG(uap, buffer), &l->l_private, sizeof(void *));
182 #endif
183 return 0;
184 }
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