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 * Copyright 2006 Sun Microsystems, Inc. All rights reserved. 23 * Use is subject to license terms. 24 */ 25 26 /* Copyright (c) 1983, 1984, 1985, 1986, 1987, 1988, 1989 AT&T */ 27 /* All Rights Reserved */ 28 29 /* 30 * Portions of this source code were derived from Berkeley 4.3 BSD 31 * under license from the Regents of the University of California. 32 */ 33 34 #pragma ident "%Z%%M% %I% %E% SMI" 35 36 #include "synonyms.h" 37 38 /* 39 * Compatibility lib for BSD's getrusgae(). Only the 40 * CPU time usage is supported for RUSAGE_CHILDREN, and hence does not 41 * fully support BSD's rusage semantics. 42 */ 43 44 #include <sys/types.h> 45 #include <sys/time.h> 46 #include <sys/times.h> 47 #include <stdio.h> 48 #include <sys/param.h> 49 #include <errno.h> 50 #include <sys/resource.h> 51 #include <sys/vm_usage.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 80 int 81 getvmusage(uint_t flags, time_t age, vmusage_t *buf, size_t *nres) 82 { 83 return (syscall(SYS_rusagesys, _RUSAGESYS_GETVMUSAGE, flags, age, 84 buf, nres)); 85 } 86