xref: /netbsd-src/sys/compat/linux32/common/linux32_sched.c (revision 0920b4f20b78ab1ccd9f2312fbe10deaf000cbf3)
1 /*	$NetBSD: linux32_sched.c,v 1.3 2007/02/09 21:55:21 ad 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_sched.c,v 1.3 2007/02/09 21:55:21 ad 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/ucred.h>
48 #include <sys/swap.h>
49 
50 #include <machine/types.h>
51 
52 #include <sys/syscallargs.h>
53 
54 #include <compat/netbsd32/netbsd32.h>
55 #include <compat/netbsd32/netbsd32_conv.h>
56 #include <compat/netbsd32/netbsd32_syscallargs.h>
57 
58 #include <compat/linux/common/linux_types.h>
59 #include <compat/linux/common/linux_signal.h>
60 #include <compat/linux/common/linux_machdep.h>
61 #include <compat/linux/common/linux_misc.h>
62 #include <compat/linux/common/linux_oldolduname.h>
63 #include <compat/linux/linux_syscallargs.h>
64 
65 #include <compat/linux32/common/linux32_types.h>
66 #include <compat/linux32/common/linux32_signal.h>
67 #include <compat/linux32/common/linux32_machdep.h>
68 #include <compat/linux32/common/linux32_sysctl.h>
69 #include <compat/linux32/common/linux32_socketcall.h>
70 #include <compat/linux32/linux32_syscallargs.h>
71 
72 int
73 linux32_sys_clone(l, v, retval)
74 	struct lwp *l;
75 	void *v;
76 	register_t *retval;
77 {
78 	struct linux32_sys_clone_args /* {
79 		syscallarg(int) flags;
80 		syscallarg(netbsd32_voidp) stack;
81 	} */ *uap = v;
82 	struct linux_sys_clone_args ua;
83 
84 	NETBSD32TO64_UAP(flags);
85 	NETBSD32TOP_UAP(stack, void *);
86 #ifdef LINUX_NPTL
87 	SCARG(&ua, parent_tidptr) = NULL;
88 	SCARG(&ua, child_tidptr) = NULL;
89 #endif
90 
91 	return linux_sys_clone(l, &ua, retval);
92 }
93 
94 int
95 linux32_sys_sched_setscheduler(l, v, retval)
96 	struct lwp *l;
97 	void *v;
98 	register_t *retval;
99 {
100 	struct linux32_sys_sched_setscheduler_args /* {
101 		syscallarg(int) pid;
102 		syscallarg(int) policy;
103 		syscallarg(const linux32_sched_paramp_t) sp;
104 	} */ *uap = v;
105 	struct linux_sys_sched_setscheduler_args ua;
106 
107 	NETBSD32TO64_UAP(pid);
108 	NETBSD32TO64_UAP(policy);
109 	NETBSD32TOP_UAP(sp, const struct linux_sched_param);
110 
111 	return linux_sys_sched_setscheduler(l, &ua, retval);
112 }
113 
114 int
115 linux32_sys_sched_getparam(l, v, retval)
116 	struct lwp *l;
117 	void *v;
118 	register_t *retval;
119 {
120 	struct linux32_sys_sched_getparam_args /* {
121 		syscallarg(pid_t) pid;
122 		syscallarg(linux32_sched_paramp_t *) sp;
123 	} */ *uap = v;
124 	struct linux_sys_sched_getparam_args ua;
125 
126 	NETBSD32TO64_UAP(pid);
127 	NETBSD32TOP_UAP(sp, struct linux_sched_param);
128 
129 	return linux_sys_sched_getparam(l, &ua, retval);
130 }
131 
132