1 /* $NetBSD: linux32_resource.c,v 1.8 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_resource.c,v 1.8 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/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/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(struct lwp *l, const struct linux32_sys_getrlimit_args *uap, register_t *retval) 76 { 77 /* { 78 syscallarg(int) which; 79 syscallarg(netbsd32_orlimitp_t) rlp; 80 } */ 81 struct orlimit orl; 82 int which; 83 84 which = linux_to_bsd_limit(SCARG(uap, which)); 85 if (which < 0) 86 return -which; 87 88 bsd_to_linux_rlimit(&orl, &l->l_proc->p_rlimit[which]); 89 90 return copyout(&orl, SCARG_P32(uap, rlp), sizeof(orl)); 91 } 92 93 int 94 linux32_sys_setrlimit(struct lwp *l, const struct linux32_sys_setrlimit_args *uap, register_t *retval) 95 { 96 /* { 97 syscallarg(int) which; 98 syscallarg(netbsd32_orlimitp_t) rlp; 99 } */ 100 struct rlimit rl; 101 struct orlimit orl; 102 int error; 103 int which; 104 105 if ((error = copyin(SCARG_P32(uap, rlp), &orl, sizeof(orl))) != 0) 106 return error; 107 108 which = linux_to_bsd_limit(SCARG(uap, which)); 109 if (which < 0) 110 return -which; 111 112 linux_to_bsd_rlimit(&rl, &orl); 113 114 return dosetrlimit(l, l->l_proc, which, &rl); 115 } 116 117 int 118 linux32_sys_ugetrlimit(struct lwp *l, const struct linux32_sys_ugetrlimit_args *uap, register_t *retval) 119 { 120 return linux32_sys_getrlimit(l, (const void *)uap, retval); 121 } 122 123 int 124 linux32_sys_getpriority(struct lwp *l, const struct linux32_sys_getpriority_args *uap, register_t *retval) 125 { 126 /* { 127 syscallarg(int) which; 128 syscallarg(int) who; 129 } */ 130 struct sys_getpriority_args bsa; 131 int error; 132 133 SCARG(&bsa, which) = SCARG(uap, which); 134 SCARG(&bsa, who) = SCARG(uap, who); 135 136 if ((error = sys_getpriority(l, &bsa, retval))) 137 return error; 138 139 *retval = NZERO - *retval; 140 141 return 0; 142 } 143 144 int 145 linux32_sys_setpriority(struct lwp *l, const struct linux32_sys_setpriority_args *uap, register_t *retval) 146 { 147 /* { 148 syscallarg(int) which; 149 syscallarg(int) who; 150 syscallarg(int) prio; 151 } */ 152 struct sys_setpriority_args bsa; 153 154 SCARG(&bsa, which) = SCARG(uap, which); 155 SCARG(&bsa, who) = SCARG(uap, who); 156 SCARG(&bsa, prio) = SCARG(uap, prio); 157 158 return sys_setpriority(l, &bsa, retval); 159 } 160