usr/src/lib/libc/port/gen/getrusage.c
author raf
Mon, 10 Apr 2006 12:27:38 -0700
changeset 1778 6357a59054f7
parent 0 68f95e015346
child 3247 e05001c14ea2
permissions -rw-r--r--
6404383 select() behaviour changed in Solaris 10, breaking binary compatibility
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/*
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 * CDDL HEADER START
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 *
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 * The contents of this file are subject to the terms of the
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 * Common Development and Distribution License, Version 1.0 only
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 * (the "License").  You may not use this file except in compliance
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 * with the License.
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 *
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 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
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 * or http://www.opensolaris.org/os/licensing.
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 * See the License for the specific language governing permissions
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 * and limitations under the License.
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 *
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 * When distributing Covered Code, include this CDDL HEADER in each
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 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
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 * If applicable, add the following below this CDDL HEADER, with the
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 * fields enclosed by brackets "[]" replaced with your own identifying
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 * information: Portions Copyright [yyyy] [name of copyright owner]
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 *
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 * CDDL HEADER END
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 */
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/*
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 * Copyright 2004 Sun Microsystems, Inc.  All rights reserved.
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 * Use is subject to license terms.
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 */
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/*	Copyright (c) 1983, 1984, 1985, 1986, 1987, 1988, 1989 AT&T	*/
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/*	  All Rights Reserved  	*/
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/*
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 * Portions of this source code were derived from Berkeley 4.3 BSD
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 * under license from the Regents of the University of California.
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 */
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#pragma ident	"%Z%%M%	%I%	%E% SMI"
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#include "synonyms.h"
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/*
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 * Compatibility lib for BSD's getrusgae(). Only the
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 * CPU time usage is supported for RUSAGE_CHILDREN, and hence does not
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 * fully support BSD's rusage semantics.
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 */
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#include <sys/types.h>
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#include <sys/time.h>
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#include <sys/times.h>
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#include <stdio.h>
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#include <sys/param.h>
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#include <errno.h>
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#include <sys/resource.h>
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#include <fcntl.h>
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#include <sys/fcntl.h>
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#include <procfs.h>
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#include <string.h>
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#include <unistd.h>
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int __rusagesys(int, struct rusage *);
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int
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getrusage(int who, struct rusage *rusage)
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{
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	switch (who) {
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	case RUSAGE_SELF:
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		return (__rusagesys(_RUSAGESYS_GETRUSAGE, rusage));
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	case RUSAGE_LWP:
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		return (__rusagesys(_RUSAGESYS_GETRUSAGE_LWP, rusage));
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	case RUSAGE_CHILDREN:
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		return (__rusagesys(_RUSAGESYS_GETRUSAGE_CHLD, rusage));
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	default:
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		errno = EINVAL;
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		return (-1);
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	}
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}