linux32_resource.c revision 1.6 1 /* $NetBSD: linux32_resource.c,v 1.6 2007/05/12 21:07:02 dsl Exp $ */
2
3 /*-
4 * Copyright (c) 2006 Emmanuel Dreyfus, all rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 * 3. All advertising materials mentioning features or use of this software
15 * must display the following acknowledgement:
16 * This product includes software developed by Emmanuel Dreyfus
17 * 4. The name of the author may not be used to endorse or promote
18 * products derived from this software without specific prior written
19 * permission.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE THE AUTHOR AND CONTRIBUTORS ``AS IS''
22 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
23 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
24 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS
25 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
26 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
27 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
28 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
29 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
30 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
31 * POSSIBILITY OF SUCH DAMAGE.
32 */
33
34 #include <sys/cdefs.h>
35
36 __KERNEL_RCSID(0, "$NetBSD: linux32_resource.c,v 1.6 2007/05/12 21:07:02 dsl Exp $");
37
38 #include <sys/types.h>
39 #include <sys/param.h>
40 #include <sys/fstypes.h>
41 #include <sys/signal.h>
42 #include <sys/dirent.h>
43 #include <sys/kernel.h>
44 #include <sys/fcntl.h>
45 #include <sys/select.h>
46 #include <sys/proc.h>
47 #include <sys/resourcevar.h>
48 #include <sys/ucred.h>
49 #include <sys/swap.h>
50
51 #include <machine/types.h>
52
53 #include <sys/syscallargs.h>
54
55 #include <compat/netbsd32/netbsd32.h>
56 #include <compat/netbsd32/netbsd32_conv.h>
57 #include <compat/netbsd32/netbsd32_syscallargs.h>
58
59 #include <compat/linux/common/linux_types.h>
60 #include <compat/linux/common/linux_signal.h>
61 #include <compat/linux/common/linux_machdep.h>
62 #include <compat/linux/common/linux_misc.h>
63 #include <compat/linux/common/linux_limit.h>
64 #include <compat/linux/common/linux_oldolduname.h>
65 #include <compat/linux/linux_syscallargs.h>
66
67 #include <compat/linux32/common/linux32_types.h>
68 #include <compat/linux32/common/linux32_signal.h>
69 #include <compat/linux32/common/linux32_machdep.h>
70 #include <compat/linux32/common/linux32_sysctl.h>
71 #include <compat/linux32/common/linux32_socketcall.h>
72 #include <compat/linux32/linux32_syscallargs.h>
73
74 int
75 linux32_sys_getrlimit(l, v, retval)
76 struct lwp *l;
77 void *v;
78 register_t *retval;
79 {
80 struct linux32_sys_getrlimit_args /* {
81 syscallarg(int) which;
82 syscallarg(netbsd32_orlimitp_t) rlp;
83 } */ *uap = v;
84 struct orlimit orl;
85 int which;
86
87 which = linux_to_bsd_limit(SCARG(uap, which));
88 if (which < 0)
89 return -which;
90
91 bsd_to_linux_rlimit(&orl, &l->l_proc->p_rlimit[which]);
92
93 return copyout(&orl, SCARG_P32(uap, rlp), sizeof(orl));
94 }
95
96 int
97 linux32_sys_setrlimit(l, v, retval)
98 struct lwp *l;
99 void *v;
100 register_t *retval;
101 {
102 struct linux32_sys_setrlimit_args /* {
103 syscallarg(int) which;
104 syscallarg(netbsd32_orlimitp_t) rlp;
105 } */ *uap = v;
106 struct rlimit rl;
107 struct orlimit orl;
108 int error;
109 int which;
110
111 if ((error = copyin(SCARG_P32(uap, rlp), &orl, sizeof(orl))) != 0)
112 return error;
113
114 which = linux_to_bsd_limit(SCARG(uap, which));
115 if (which < 0)
116 return -which;
117
118 linux_to_bsd_rlimit(&rl, &orl);
119
120 return dosetrlimit(l, l->l_proc, which, &rl);
121 }
122
123 int
124 linux32_sys_ugetrlimit(l, v, retval)
125 struct lwp *l;
126 void *v;
127 register_t *retval;
128 {
129 return linux32_sys_getrlimit(l, v, retval);
130 }
131
132 int
133 linux32_sys_getpriority(l, v, retval)
134 struct lwp *l;
135 void *v;
136 register_t *retval;
137 {
138 struct linux32_sys_getpriority_args /* {
139 syscallarg(int) which;
140 syscallarg(int) who;
141 } */ *uap = v;
142 struct sys_getpriority_args bsa;
143 int error;
144
145 SCARG(&bsa, which) = SCARG(uap, which);
146 SCARG(&bsa, who) = SCARG(uap, who);
147
148 if ((error = sys_getpriority(l, &bsa, retval)))
149 return error;
150
151 *retval = NZERO - *retval;
152
153 return 0;
154 }
155
156 int
157 linux32_sys_setpriority(l, v, retval)
158 struct lwp *l;
159 void *v;
160 register_t *retval;
161 {
162 struct linux32_sys_setpriority_args /* {
163 syscallarg(int) which;
164 syscallarg(int) who;
165 syscallarg(int) prio;
166 } */ *uap = v;
167 struct sys_setpriority_args bsa;
168
169 SCARG(&bsa, which) = SCARG(uap, which);
170 SCARG(&bsa, who) = SCARG(uap, who);
171 SCARG(&bsa, prio) = SCARG(uap, prio);
172
173 return sys_setpriority(l, &bsa, retval);
174 }
175