linux32_resource.c revision 1.5
1 /* $NetBSD: linux32_resource.c,v 1.5 2007/03/18 21:38:32 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 1.5 2007/03/18 21:38:32 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/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_limit.h> 63 #include <compat/linux/common/linux_oldolduname.h> 64 #include <compat/linux/linux_syscallargs.h> 65 66 #include <compat/linux32/common/linux32_types.h> 67 #include <compat/linux32/common/linux32_signal.h> 68 #include <compat/linux32/common/linux32_machdep.h> 69 #include <compat/linux32/common/linux32_sysctl.h> 70 #include <compat/linux32/common/linux32_socketcall.h> 71 #include <compat/linux32/linux32_syscallargs.h> 72 73 int 74 linux32_sys_getrlimit(l, v, retval) 75 struct lwp *l; 76 void *v; 77 register_t *retval; 78 { 79 struct linux32_sys_getrlimit_args /* { 80 syscallarg(int) which; 81 syscallarg(netbsd32_orlimitp_t) rlp; 82 } */ *uap = v; 83 struct proc *p = l->l_proc; 84 void *sg = stackgap_init(p, 0); 85 struct sys_getrlimit_args ap; 86 struct orlimit orl; 87 struct rlimit rl; 88 int error; 89 90 SCARG(&ap, which) = linux_to_bsd_limit(SCARG(uap, which)); 91 if ((error = SCARG(&ap, which)) < 0) 92 return -error; 93 94 SCARG(&ap, rlp) = stackgap_alloc(p, &sg, sizeof rl); 95 96 if ((error = sys_getrlimit(l, &ap, retval)) != 0) 97 return error; 98 99 if ((error = copyin(SCARG(&ap, rlp), &rl, sizeof(rl))) != 0) 100 return error; 101 102 bsd_to_linux_rlimit(&orl, &rl); 103 104 return copyout(&orl, SCARG_P32(uap, rlp), sizeof(orl)); 105 } 106 107 int 108 linux32_sys_setrlimit(l, v, retval) 109 struct lwp *l; 110 void *v; 111 register_t *retval; 112 { 113 struct linux32_sys_setrlimit_args /* { 114 syscallarg(int) which; 115 syscallarg(netbsd32_orlimitp_t) rlp; 116 } */ *uap = v; 117 struct proc *p = l->l_proc; 118 void *sg = stackgap_init(p, 0); 119 struct sys_getrlimit_args ap; 120 struct rlimit rl; 121 struct orlimit orl; 122 int error; 123 124 SCARG(&ap, which) = linux_to_bsd_limit(SCARG(uap, which)); 125 SCARG(&ap, rlp) = stackgap_alloc(p, &sg, sizeof rl); 126 if ((error = SCARG(&ap, which)) < 0) 127 return -error; 128 129 if ((error = copyin(SCARG_P32(uap, rlp), &orl, sizeof(orl))) != 0) 130 return error; 131 132 linux_to_bsd_rlimit(&rl, &orl); 133 134 if ((error = copyout(&rl, SCARG(&ap, rlp), sizeof(rl))) != 0) 135 return error; 136 137 return sys_setrlimit(l, &ap, retval); 138 } 139 140 int 141 linux32_sys_ugetrlimit(l, v, retval) 142 struct lwp *l; 143 void *v; 144 register_t *retval; 145 { 146 return linux32_sys_getrlimit(l, v, retval); 147 } 148 149 int 150 linux32_sys_getpriority(l, v, retval) 151 struct lwp *l; 152 void *v; 153 register_t *retval; 154 { 155 struct linux32_sys_getpriority_args /* { 156 syscallarg(int) which; 157 syscallarg(int) who; 158 } */ *uap = v; 159 struct sys_getpriority_args bsa; 160 int error; 161 162 SCARG(&bsa, which) = SCARG(uap, which); 163 SCARG(&bsa, who) = SCARG(uap, who); 164 165 if ((error = sys_getpriority(l, &bsa, retval))) 166 return error; 167 168 *retval = NZERO - *retval; 169 170 return 0; 171 } 172 173 int 174 linux32_sys_setpriority(l, v, retval) 175 struct lwp *l; 176 void *v; 177 register_t *retval; 178 { 179 struct linux32_sys_setpriority_args /* { 180 syscallarg(int) which; 181 syscallarg(int) who; 182 syscallarg(int) prio; 183 } */ *uap = v; 184 struct sys_setpriority_args bsa; 185 186 SCARG(&bsa, which) = SCARG(uap, which); 187 SCARG(&bsa, who) = SCARG(uap, who); 188 SCARG(&bsa, prio) = SCARG(uap, prio); 189 190 return sys_setpriority(l, &bsa, retval); 191 } 192
Indexes created Tue Sep 23 07:09:52 GMT 2025