Home | History | Annotate | Line # | Download | only in common
linux32_resource.c revision 1.10.16.1 
      1 /*	$NetBSD: linux32_resource.c,v 1.10.16.1 2012/10/30 17:20:45 yamt 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 1.10.16.1 2012/10/30 17:20:45 yamt 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