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 (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 22 /* 23 * Copyright 2008 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27 /* Copyright (c) 1983, 1984, 1985, 1986, 1987, 1988, 1989 AT&T */ 28 /* All Rights Reserved */ 29 30 /* 31 * Portions of this source code were derived from Berkeley 4.3 BSD 32 * under license from the Regents of the University of California. 33 */ 34 35 /* 36 * Compatibility lib for BSD's getrusgae(). Only the 37 * CPU time usage is supported for RUSAGE_CHILDREN, and hence does not 38 * fully support BSD's rusage semantics. 39 */ 40 41 #include "lint.h" 42 #include <sys/types.h> 43 #include <sys/time.h> 44 #include <sys/times.h> 45 #include <stdio.h> 46 #include <sys/param.h> 47 #include <errno.h> 48 #include <sys/resource.h> 49 #include <sys/vm_usage.h> 50 #include <fcntl.h> 51 #include <sys/fcntl.h> 52 #include <procfs.h> 53 #include <string.h> 54 #include <unistd.h> 55 56 int __rusagesys(int, struct rusage *); 57 58 int 59 getrusage(int who, struct rusage *rusage) 60 { 61 switch (who) { 62 63 case RUSAGE_SELF: 64 return (__rusagesys(_RUSAGESYS_GETRUSAGE, rusage)); 65 66 case RUSAGE_LWP: 67 return (__rusagesys(_RUSAGESYS_GETRUSAGE_LWP, rusage)); 68 69 case RUSAGE_CHILDREN: 70 return (__rusagesys(_RUSAGESYS_GETRUSAGE_CHLD, rusage)); 71 72 default: 73 errno = EINVAL; 74 return (-1); 75 } 76 } 77 78 int 79 getvmusage(uint_t flags, time_t age, vmusage_t *buf, size_t *nres) 80 { 81 return (syscall(SYS_rusagesys, _RUSAGESYS_GETVMUSAGE, flags, age, 82 buf, nres)); 83 } 84