1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License, Version 1.0 only 6 * (the "License"). You may not use this file except in compliance 7 * with the License. 8 * 9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10 * or http://www.opensolaris.org/os/licensing. 11 * See the License for the specific language governing permissions 12 * and limitations under the License. 13 * 14 * When distributing Covered Code, include this CDDL HEADER in each 15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16 * If applicable, add the following below this CDDL HEADER, with the 17 * fields enclosed by brackets "[]" replaced with your own identifying 18 * information: Portions Copyright [yyyy] [name of copyright owner] 19 * 20 * CDDL HEADER END 21 */ 22 /* 23 * Copyright (c) 1997-2000 by Sun Microsystems, Inc. 24 * All rights reserved. 25 */ 26 27 #pragma ident "%Z%%M% %I% %E% SMI" 28 29 #define _LARGEFILE64_SOURCE 30 31 #include <stdlib.h> 32 #include <unistd.h> 33 #include <errno.h> 34 #include <sys/resource.h> 35 #include "libproc.h" 36 37 /* 38 * getrlimit() system call -- executed by subject process. 39 */ 40 int 41 pr_getrlimit(struct ps_prochandle *Pr, 42 int resource, struct rlimit *rlp) 43 { 44 sysret_t rval; /* return value from getrlimit() */ 45 argdes_t argd[2]; /* arg descriptors for getrlimit() */ 46 argdes_t *adp; 47 int sysnum; 48 int error; 49 50 if (Pr == NULL) /* no subject process */ 51 return (getrlimit(resource, rlp)); 52 53 adp = &argd[0]; /* resource argument */ 54 adp->arg_value = resource; 55 adp->arg_object = NULL; 56 adp->arg_type = AT_BYVAL; 57 adp->arg_inout = AI_INPUT; 58 adp->arg_size = 0; 59 60 adp++; /* rlp argument */ 61 adp->arg_value = 0; 62 adp->arg_object = rlp; 63 adp->arg_type = AT_BYREF; 64 adp->arg_inout = AI_OUTPUT; 65 adp->arg_size = sizeof (*rlp); 66 67 #ifdef _LP64 68 if (Pstatus(Pr)->pr_dmodel == PR_MODEL_ILP32) 69 sysnum = SYS_getrlimit64; 70 else 71 sysnum = SYS_getrlimit; 72 #else /* _LP64 */ 73 sysnum = SYS_getrlimit; 74 #endif /* _LP64 */ 75 76 error = Psyscall(Pr, &rval, sysnum, 2, &argd[0]); 77 78 if (error) { 79 errno = (error > 0)? error : ENOSYS; 80 return (-1); 81 } 82 return (rval.sys_rval1); 83 } 84 85 /* 86 * setrlimit() system call -- executed by subject process. 87 */ 88 int 89 pr_setrlimit(struct ps_prochandle *Pr, 90 int resource, const struct rlimit *rlp) 91 { 92 sysret_t rval; /* return value from setrlimit() */ 93 argdes_t argd[2]; /* arg descriptors for setrlimit() */ 94 argdes_t *adp; 95 int sysnum; 96 int error; 97 98 if (Pr == NULL) /* no subject process */ 99 return (setrlimit(resource, rlp)); 100 101 adp = &argd[0]; /* resource argument */ 102 adp->arg_value = resource; 103 adp->arg_object = NULL; 104 adp->arg_type = AT_BYVAL; 105 adp->arg_inout = AI_INPUT; 106 adp->arg_size = 0; 107 108 adp++; /* rlp argument */ 109 adp->arg_value = 0; 110 adp->arg_object = (void *)rlp; 111 adp->arg_type = AT_BYREF; 112 adp->arg_inout = AI_INPUT; 113 adp->arg_size = sizeof (*rlp); 114 115 #ifdef _LP64 116 if (Pstatus(Pr)->pr_dmodel == PR_MODEL_ILP32) 117 sysnum = SYS_setrlimit64; 118 else 119 sysnum = SYS_setrlimit; 120 #else /* _LP64 */ 121 sysnum = SYS_setrlimit; 122 #endif /* _LP64 */ 123 124 error = Psyscall(Pr, &rval, sysnum, 2, &argd[0]); 125 126 if (error) { 127 errno = (error > 0)? error : ENOSYS; 128 return (-1); 129 } 130 return (rval.sys_rval1); 131 } 132 133 /* 134 * getrlimit64() system call -- executed by subject process. 135 */ 136 int 137 pr_getrlimit64(struct ps_prochandle *Pr, 138 int resource, struct rlimit64 *rlp) 139 { 140 sysret_t rval; /* return value from getrlimit() */ 141 argdes_t argd[2]; /* arg descriptors for getrlimit() */ 142 argdes_t *adp; 143 int sysnum; 144 int error; 145 146 if (Pr == NULL) /* no subject process */ 147 return (getrlimit64(resource, rlp)); 148 149 adp = &argd[0]; /* resource argument */ 150 adp->arg_value = resource; 151 adp->arg_object = NULL; 152 adp->arg_type = AT_BYVAL; 153 adp->arg_inout = AI_INPUT; 154 adp->arg_size = 0; 155 156 adp++; /* rlp argument */ 157 adp->arg_value = 0; 158 adp->arg_object = rlp; 159 adp->arg_type = AT_BYREF; 160 adp->arg_inout = AI_OUTPUT; 161 adp->arg_size = sizeof (*rlp); 162 163 #ifdef _LP64 164 if (Pstatus(Pr)->pr_dmodel == PR_MODEL_ILP32) 165 sysnum = SYS_getrlimit64; 166 else 167 sysnum = SYS_getrlimit; 168 #else /* _LP64 */ 169 sysnum = SYS_getrlimit64; 170 #endif /* _LP64 */ 171 172 error = Psyscall(Pr, &rval, sysnum, 2, &argd[0]); 173 174 if (error) { 175 errno = (error > 0)? error : ENOSYS; 176 return (-1); 177 } 178 return (rval.sys_rval1); 179 } 180 181 /* 182 * setrlimit64() system call -- executed by subject process. 183 */ 184 int 185 pr_setrlimit64(struct ps_prochandle *Pr, 186 int resource, const struct rlimit64 *rlp) 187 { 188 sysret_t rval; /* return value from setrlimit() */ 189 argdes_t argd[2]; /* arg descriptors for setrlimit() */ 190 argdes_t *adp; 191 int sysnum; 192 int error; 193 194 if (Pr == NULL) /* no subject process */ 195 return (setrlimit64(resource, rlp)); 196 197 adp = &argd[0]; /* resource argument */ 198 adp->arg_value = resource; 199 adp->arg_object = NULL; 200 adp->arg_type = AT_BYVAL; 201 adp->arg_inout = AI_INPUT; 202 adp->arg_size = 0; 203 204 adp++; /* rlp argument */ 205 adp->arg_value = 0; 206 adp->arg_object = (void *)rlp; 207 adp->arg_type = AT_BYREF; 208 adp->arg_inout = AI_INPUT; 209 adp->arg_size = sizeof (*rlp); 210 211 #ifdef _LP64 212 if (Pstatus(Pr)->pr_dmodel == PR_MODEL_ILP32) 213 sysnum = SYS_setrlimit64; 214 else 215 sysnum = SYS_setrlimit; 216 #else /* _LP64 */ 217 sysnum = SYS_setrlimit64; 218 #endif /* _LP64 */ 219 220 error = Psyscall(Pr, &rval, sysnum, 2, &argd[0]); 221 222 if (error) { 223 errno = (error > 0)? error : ENOSYS; 224 return (-1); 225 } 226 return (rval.sys_rval1); 227 } 228