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linux32_resource.c revision 1.1 
      1 /*	$NetBSD: linux32_resource.c,v 1.1 2006/02/09 19:18:57 manu 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 1.1 2006/02/09 19:18:57 manu 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/sa.h>
     47 #include <sys/proc.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/linux_syscallargs.h>
     66 
     67 #include <compat/linux32/common/linux32_types.h>
     68 #include <compat/linux32/common/linux32_signal.h>
     69 #include <compat/linux32/common/linux32_machdep.h>
     70 #include <compat/linux32/common/linux32_sysctl.h>
     71 #include <compat/linux32/common/linux32_socketcall.h>
     72 #include <compat/linux32/linux32_syscallargs.h>
     73 
     74 int
     75 linux32_sys_getrlimit(l, v, retval)
     76 	struct lwp *l;
     77 	void *v;
     78 	register_t *retval;
     79 {
     80 	struct linux32_sys_getrlimit_args /* {
     81 		syscallarg(int) which;
     82 		syscallarg(netbsd32_orlimitp_t) rlp;
     83 	} */ *uap = v;
     84 	struct proc *p = l->l_proc;
     85 	caddr_t sg = stackgap_init(p, 0);
     86 	struct sys_getrlimit_args ap;
     87 	struct orlimit orl;
     88 	struct rlimit rl;
     89 	int error;
     90 
     91 	SCARG(&ap, which) = linux_to_bsd_limit(SCARG(uap, which));
     92 	if ((error = SCARG(&ap, which)) < 0)
     93 		return -error;
     94 
     95 	SCARG(&ap, rlp) = stackgap_alloc(p, &sg, sizeof rl);
     96 
     97 	if ((error = sys_getrlimit(l, &ap, retval)) != 0)
     98 		return error;
     99 
    100 	if ((error = copyin(SCARG(&ap, rlp), &rl, sizeof(rl))) != 0)
    101 		return error;
    102 
    103 	bsd_to_linux_rlimit(&orl, &rl);
    104 
    105 	return copyout(&orl, NETBSD32PTR64(SCARG(uap, rlp)), sizeof(orl));
    106 }
    107 
    108 int
    109 linux32_sys_setrlimit(l, v, retval)
    110 	struct lwp *l;
    111 	void *v;
    112 	register_t *retval;
    113 {
    114 	struct linux32_sys_setrlimit_args /* {
    115 		syscallarg(int) which;
    116 		syscallarg(netbsd32_orlimitp_t) rlp;
    117 	} */ *uap = v;
    118 	struct proc *p = l->l_proc;
    119 	caddr_t sg = stackgap_init(p, 0);
    120 	struct sys_getrlimit_args ap;
    121 	struct rlimit rl;
    122 	struct orlimit orl;
    123 	int error;
    124 
    125 	SCARG(&ap, which) = linux_to_bsd_limit(SCARG(uap, which));
    126 	SCARG(&ap, rlp) = stackgap_alloc(p, &sg, sizeof rl);
    127 	if ((error = SCARG(&ap, which)) < 0)
    128 		return -error;
    129 
    130 	if ((error = copyin(NETBSD32PTR64(SCARG(uap, rlp)),
    131 	    &orl, sizeof(orl))) != 0)
    132 		return error;
    133 
    134 	linux_to_bsd_rlimit(&rl, &orl);
    135 
    136 	if ((error = copyout(&rl, SCARG(&ap, rlp), sizeof(rl))) != 0)
    137 		return error;
    138 
    139 	return sys_setrlimit(l, &ap, retval);
    140 }
    141 
    142 int
    143 linux32_sys_ugetrlimit(l, v, retval)
    144 	struct lwp *l;
    145 	void *v;
    146 	register_t *retval;
    147 {
    148 	return linux32_sys_getrlimit(l, v, retval);
    149 }
    150