1 /* $NetBSD: compat_getrusage.c,v 1.4 2013/10/04 21:07:37 christos Exp $ */ 2 3 /*- 4 * Copyright (c) 2008 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Christos Zoulas. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 * POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32 #include <sys/cdefs.h> 33 #if defined(LIBC_SCCS) && !defined(lint) 34 __RCSID("$NetBSD: compat_getrusage.c,v 1.4 2013/10/04 21:07:37 christos Exp $"); 35 #endif /* LIBC_SCCS and not lint */ 36 37 #define __LIBC12_SOURCE__ 38 39 #include "namespace.h" 40 #include <string.h> 41 #include <sys/types.h> 42 #include <sys/resource.h> 43 #include <compat/sys/resource.h> 44 45 __warn_references(getrusage, 46 "warning: reference to compatibility getrusage(); include <sys/resource.h> to generate correct reference") 47 48 __strong_alias(getrusage, __compat_getrusage) 49 50 void __rusage_to_rusage50(const struct rusage *, struct rusage50 *); 51 52 void 53 __rusage_to_rusage50(const struct rusage *ru, struct rusage50 *ru50) 54 { 55 (void)memcpy(&ru50->ru_first, &ru->ru_first, 56 (size_t)((char *)(void *)&ru50->ru_last - 57 (char *)(void *)&ru50->ru_first)); 58 ru50->ru_maxrss = ru->ru_maxrss; 59 timeval_to_timeval50(&ru->ru_utime, &ru50->ru_utime); 60 timeval_to_timeval50(&ru->ru_stime, &ru50->ru_stime); 61 } 62 63 /* 64 * libc12 compatible getrusage routine. 65 */ 66 int 67 __compat_getrusage(int who, struct rusage50 *ru50) 68 { 69 struct rusage ru; 70 int rv; 71 72 if ((rv = __getrusage50(who, &ru)) == -1) 73 return rv; 74 __rusage_to_rusage50(&ru, ru50); 75 return rv; 76 } 77