xref: /netbsd-src/sys/compat/linux32/common/linux32_sched.c (revision 74809f044aa1c34df701bf79c7bfb9794896fdf8)
1 /*	$NetBSD: linux32_sched.c,v 1.6 2007/12/20 23:02:58 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_sched.c,v 1.6 2007/12/20 23:02:58 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/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(struct lwp *l, const struct linux32_sys_clone_args *uap, register_t *retval)
74 {
75 	/* {
76 		syscallarg(int) flags;
77 		syscallarg(netbsd32_voidp) stack;
78 	} */
79 	struct linux_sys_clone_args ua;
80 
81 	NETBSD32TO64_UAP(flags);
82 	NETBSD32TOP_UAP(stack, void *);
83 #ifdef LINUX_NPTL
84 	SCARG(&ua, parent_tidptr) = NULL;
85 	SCARG(&ua, child_tidptr) = NULL;
86 #endif
87 
88 	return linux_sys_clone(l, &ua, retval);
89 }
90 
91 int
92 linux32_sys_sched_getscheduler(struct lwp *l, const struct linux32_sys_sched_getscheduler_args *uap, register_t *retval)
93 {
94 	/* {
95 		syscallarg(pid_t) pid;
96 	} */
97 	struct linux_sys_sched_getscheduler_args ua;
98 
99 	NETBSD32TO64_UAP(pid);
100 
101 	return linux_sys_sched_getscheduler(l, &ua, retval);
102 }
103 
104 int
105 linux32_sys_sched_setscheduler(struct lwp *l, const struct linux32_sys_sched_setscheduler_args *uap, register_t *retval)
106 {
107 	/* {
108 		syscallarg(int) pid;
109 		syscallarg(int) policy;
110 		syscallarg(const linux32_sched_paramp_t) sp;
111 	} */
112 	struct linux_sys_sched_setscheduler_args ua;
113 
114 	NETBSD32TO64_UAP(pid);
115 	NETBSD32TO64_UAP(policy);
116 	NETBSD32TOP_UAP(sp, const struct linux_sched_param);
117 
118 	return linux_sys_sched_setscheduler(l, &ua, retval);
119 }
120 
121 int
122 linux32_sys_sched_getparam(struct lwp *l, const struct linux32_sys_sched_getparam_args *uap, register_t *retval)
123 {
124 	/* {
125 		syscallarg(pid_t) pid;
126 		syscallarg(linux32_sched_paramp_t *) sp;
127 	} */
128 	struct linux_sys_sched_getparam_args ua;
129 
130 	NETBSD32TO64_UAP(pid);
131 	NETBSD32TOP_UAP(sp, struct linux_sched_param);
132 
133 	return linux_sys_sched_getparam(l, &ua, retval);
134 }
135 
136 int
137 linux32_sys_exit_group(struct lwp *l, const struct linux32_sys_exit_group_args *uap, register_t *retval)
138 {
139 	/* {
140 		syscallarg(int) error_code;
141 	} */
142 	struct linux_sys_exit_group_args ua;
143 
144 	NETBSD32TO64_UAP(error_code);
145 
146 	return linux_sys_exit_group(l, &ua, retval);
147 }
148