1 | /* $NetBSD: linux32_resource.c,v 1.11 2012/09/22 22:34:03 joerg 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 1.11 2012/09/22 22:34:03 joerg 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/common/linux_ipc.h> |
66 | #include <compat/linux/common/linux_sem.h> |
67 | #include <compat/linux/linux_syscallargs.h> |
68 | |
69 | #include <compat/linux32/common/linux32_types.h> |
70 | #include <compat/linux32/common/linux32_signal.h> |
71 | #include <compat/linux32/common/linux32_machdep.h> |
72 | #include <compat/linux32/common/linux32_sysctl.h> |
73 | #include <compat/linux32/common/linux32_socketcall.h> |
74 | #include <compat/linux32/linux32_syscallargs.h> |
75 | |
76 | int |
77 | linux32_sys_getrlimit(struct lwp *l, const struct linux32_sys_getrlimit_args *uap, register_t *retval) |
78 | { |
79 | /* { |
80 | syscallarg(int) which; |
81 | syscallarg(netbsd32_orlimitp_t) rlp; |
82 | } */ |
83 | struct orlimit orl; |
84 | int which; |
85 | |
86 | which = linux_to_bsd_limit(SCARG(uap, which)); |
87 | if (which < 0) |
88 | return -which; |
89 | |
90 | bsd_to_linux_rlimit(&orl, &l->l_proc->p_rlimit[which]); |
91 | |
92 | return copyout(&orl, SCARG_P32(uap, rlp), sizeof(orl)); |
93 | } |
94 | |
95 | int |
96 | linux32_sys_setrlimit(struct lwp *l, const struct linux32_sys_setrlimit_args *uap, register_t *retval) |
97 | { |
98 | /* { |
99 | syscallarg(int) which; |
100 | syscallarg(netbsd32_orlimitp_t) rlp; |
101 | } */ |
102 | struct rlimit rl; |
103 | struct orlimit orl; |
104 | int error; |
105 | int which; |
106 | |
107 | if ((error = copyin(SCARG_P32(uap, rlp), &orl, sizeof(orl))) != 0) |
108 | return error; |
109 | |
110 | which = linux_to_bsd_limit(SCARG(uap, which)); |
111 | if (which < 0) |
112 | return -which; |
113 | |
114 | linux32_to_bsd_rlimit(&rl, &orl); |
115 | |
116 | return dosetrlimit(l, l->l_proc, which, &rl); |
117 | } |
118 | |
119 | int |
120 | linux32_sys_ugetrlimit(struct lwp *l, const struct linux32_sys_ugetrlimit_args *uap, register_t *retval) |
121 | { |
122 | return linux32_sys_getrlimit(l, (const void *)uap, retval); |
123 | } |
124 | |
125 | int |
126 | linux32_sys_getpriority(struct lwp *l, const struct linux32_sys_getpriority_args *uap, register_t *retval) |
127 | { |
128 | /* { |
129 | syscallarg(int) which; |
130 | syscallarg(int) who; |
131 | } */ |
132 | struct sys_getpriority_args bsa; |
133 | int error; |
134 | |
135 | SCARG(&bsa, which) = SCARG(uap, which); |
136 | SCARG(&bsa, who) = SCARG(uap, who); |
137 | |
138 | if ((error = sys_getpriority(l, &bsa, retval))) |
139 | return error; |
140 | |
141 | *retval = NZERO - *retval; |
142 | |
143 | return 0; |
144 | } |
145 | |