linux32_resource.c revision 1.2
1 /* $NetBSD: linux32_resource.c,v 1.2 2006/06/25 16:15:40 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 1.2 2006/06/25 16:15:40 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 } 150 151 int 152 linux32_sys_getpriority(l, v, retval) 153 struct lwp *l; 154 void *v; 155 register_t *retval; 156 { 157 struct linux32_sys_getpriority_args /* { 158 syscallarg(int) which; 159 syscallarg(int) who; 160 } */ *uap = v; 161 struct sys_getpriority_args bsa; 162 int error; 163 164 SCARG(&bsa, which) = SCARG(uap, which); 165 SCARG(&bsa, who) = SCARG(uap, who); 166 167 if ((error = sys_getpriority(l, &bsa, retval))) 168 return error; 169 170 *retval = NZERO - *retval; 171 172 return 0; 173 } 174 175 int 176 linux32_sys_setpriority(l, v, retval) 177 struct lwp *l; 178 void *v; 179 register_t *retval; 180 { 181 struct linux32_sys_setpriority_args /* { 182 syscallarg(int) which; 183 syscallarg(int) who; 184 syscallarg(int) prio; 185 } */ *uap = v; 186 struct sys_setpriority_args bsa; 187 188 SCARG(&bsa, which) = SCARG(uap, which); 189 SCARG(&bsa, who) = SCARG(uap, who); 190 SCARG(&bsa, prio) = SCARG(uap, prio); 191 192 return sys_setpriority(l, &bsa, retval); 193 } 194
Indexes created Mon Sep 22 05:09:51 GMT 2025