1 /* $NetBSD: svr4_lwp.c,v 1.18 2008/04/28 20:23:45 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_lwp.c,v 1.18 2008/04/28 20:23:45 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/svr4_types.h>
53 #include <compat/svr4/svr4_util.h>
54 #include <compat/svr4/svr4_socket.h>
55 #include <compat/svr4/svr4_signal.h>
56 #include <compat/svr4/svr4_sockmod.h>
57 #include <compat/svr4/svr4_lwp.h>
58 #include <compat/svr4/svr4_ucontext.h>
59 #include <compat/svr4/svr4_syscallargs.h>
60
61
62 int
63 svr4_sys__lwp_self(struct lwp *l, const void *uap, register_t *retval)
64 {
65 return sys__lwp_self(l, uap, retval);
66 }
67
68 int
69 svr4_sys__lwp_create(struct lwp *l, const struct svr4_sys__lwp_create_args *uap, register_t *retval)
70 {
71 struct sys__lwp_create_args lc;
72 int flags;
73
74 flags = 0;
75
76 if (SCARG(uap, flags) & SVR4_LWP_DETACHED)
77 flags &= LWP_DETACHED;
78
79 if (SCARG(uap, flags) & SVR4_LWP_SUSPENDED)
80 flags &= LWP_SUSPENDED;
81
82 if (SCARG(uap, flags) & SVR4___LWP_ASLWP) {
83 /* XXX Punt! */
84 }
85
86
87 /* XXX At the moment, svr4_ucontext_t and ucontext_t are the same */
88 SCARG(&lc, ucp) = (ucontext_t *)SCARG(uap, uc);
89 SCARG(&lc, flags) = flags;
90 SCARG(&lc, new_lwp) = (lwpid_t *)SCARG(uap, lwpid);
91
92
93 return sys__lwp_create(l, &lc, retval);
94 }
95
96 int
97 svr4_sys__lwp_kill(struct lwp *l, const struct svr4_sys__lwp_kill_args *uap, register_t *retval)
98 {
99 struct sys__lwp_kill_args ap;
100 SCARG(&ap, target) = SCARG(uap, lwpid);
101 SCARG(&ap, signo) = SCARG(uap, signum);
102
103 return sys__lwp_kill(l, &ap, retval);
104 }
105
106 int
107 svr4_sys__lwp_info(struct lwp *l, const struct svr4_sys__lwp_info_args *uap, register_t *retval)
108 {
109 struct svr4_lwpinfo lwpinfo;
110 int error;
111
112 /* XXX NJWLWP */
113 TIMEVAL_TO_TIMESPEC(&l->l_proc->p_stats->p_ru.ru_stime, &lwpinfo.lwp_stime);
114 TIMEVAL_TO_TIMESPEC(&l->l_proc->p_stats->p_ru.ru_utime, &lwpinfo.lwp_utime);
115
116 if ((error = copyout(&lwpinfo, SCARG(uap, lwpinfo), sizeof(lwpinfo))) ==
117 -1)
118 return error;
119 return 0;
120 }
121
122 int
123 svr4_sys__lwp_exit(struct lwp *l, const void *v, register_t *retval)
124 {
125
126 return sys__lwp_exit(l, NULL, retval);
127 }
128
129 int
130 svr4_sys__lwp_wait(struct lwp *l, const struct svr4_sys__lwp_wait_args *uap, register_t *retval)
131 {
132 struct sys__lwp_wait_args ap;
133
134 SCARG(&ap, wait_for) = SCARG(uap, wait_for);
135 SCARG(&ap, departed) = (lwpid_t *)SCARG(uap, departed_lwp);
136
137 return sys__lwp_wait(l, &ap, retval);
138 }
139
140 int
141 svr4_sys__lwp_suspend(struct lwp *l, const struct svr4_sys__lwp_suspend_args *uap, register_t *retval)
142 {
143 struct sys__lwp_suspend_args ap;
144
145 SCARG(&ap, target) = SCARG(uap, lwpid);
146
147 return sys__lwp_suspend(l, &ap, retval);
148 }
149
150
151 int
152 svr4_sys__lwp_continue(struct lwp *l, const struct svr4_sys__lwp_continue_args *uap, register_t *retval)
153 {
154 struct sys__lwp_continue_args ap;
155
156 SCARG(&ap, target) = SCARG(uap, lwpid);
157
158 return sys__lwp_continue(l, &ap, retval);
159 }
160
161 int
162 svr4_sys__lwp_getprivate(struct lwp *l, const void *v, register_t *retval)
163 {
164 /* XXX NJWLWP: Replace with call to native version if we ever
165 * implement that. */
166
167 *retval = (register_t)l->l_private;
168 return 0;
169 }
170
171 int
172 svr4_sys__lwp_setprivate(struct lwp *l, const struct svr4_sys__lwp_setprivate_args *uap, register_t *retval)
173 {
174
175 /* XXX NJWLWP: Replace with call to native version if we ever
176 * implement that. */
177
178 return copyin(SCARG(uap, buffer), &l->l_private, sizeof(void *));
179 }
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