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 2004 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 #pragma ident "%Z%%M% %I% %E% SMI" 36 37 #include "synonyms.h" 38 39 /* 40 * Compatibility lib for BSD's getrusgae(). Only the 41 * CPU time usage is supported for RUSAGE_CHILDREN, and hence does not 42 * fully support BSD's rusage semantics. 43 */ 44 45 #include <sys/types.h> 46 #include <sys/time.h> 47 #include <sys/times.h> 48 #include <stdio.h> 49 #include <sys/param.h> 50 #include <errno.h> 51 #include <sys/resource.h> 52 #include <fcntl.h> 53 #include <sys/fcntl.h> 54 #include <procfs.h> 55 #include <string.h> 56 #include <unistd.h> 57 58 int __rusagesys(int, struct rusage *); 59 60 int 61 getrusage(int who, struct rusage *rusage) 62 { 63 switch (who) { 64 65 case RUSAGE_SELF: 66 return (__rusagesys(_RUSAGESYS_GETRUSAGE, rusage)); 67 68 case RUSAGE_LWP: 69 return (__rusagesys(_RUSAGESYS_GETRUSAGE_LWP, rusage)); 70 71 case RUSAGE_CHILDREN: 72 return (__rusagesys(_RUSAGESYS_GETRUSAGE_CHLD, rusage)); 73 74 default: 75 errno = EINVAL; 76 return (-1); 77 } 78 } 79