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linux32_sched.c revision 1.3.20.2 
      1 /*	$NetBSD: linux32_sched.c,v 1.3.20.2 2008/01/09 01:51:22 matt 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 1.3.20.2 2008/01/09 01:51:22 matt 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