xref: /minix3/lib/libc/compat/sys/compat_getrusage.c (revision 84d9c625bfea59e274550651111ae9edfdc40fbd)
1*84d9c625SLionel Sambuc /*	$NetBSD: compat_getrusage.c,v 1.4 2013/10/04 21:07:37 christos Exp $	*/
22fe8fb19SBen Gras 
32fe8fb19SBen Gras /*-
42fe8fb19SBen Gras  * Copyright (c) 2008 The NetBSD Foundation, Inc.
52fe8fb19SBen Gras  * All rights reserved.
62fe8fb19SBen Gras  *
72fe8fb19SBen Gras  * This code is derived from software contributed to The NetBSD Foundation
82fe8fb19SBen Gras  * by Christos Zoulas.
92fe8fb19SBen Gras  *
102fe8fb19SBen Gras  * Redistribution and use in source and binary forms, with or without
112fe8fb19SBen Gras  * modification, are permitted provided that the following conditions
122fe8fb19SBen Gras  * are met:
132fe8fb19SBen Gras  * 1. Redistributions of source code must retain the above copyright
142fe8fb19SBen Gras  *    notice, this list of conditions and the following disclaimer.
152fe8fb19SBen Gras  * 2. Redistributions in binary form must reproduce the above copyright
162fe8fb19SBen Gras  *    notice, this list of conditions and the following disclaimer in the
172fe8fb19SBen Gras  *    documentation and/or other materials provided with the distribution.
182fe8fb19SBen Gras  *
192fe8fb19SBen Gras  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
202fe8fb19SBen Gras  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
212fe8fb19SBen Gras  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
222fe8fb19SBen Gras  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
232fe8fb19SBen Gras  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
242fe8fb19SBen Gras  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
252fe8fb19SBen Gras  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
262fe8fb19SBen Gras  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
272fe8fb19SBen Gras  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
282fe8fb19SBen Gras  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
292fe8fb19SBen Gras  * POSSIBILITY OF SUCH DAMAGE.
302fe8fb19SBen Gras  */
312fe8fb19SBen Gras 
322fe8fb19SBen Gras #include <sys/cdefs.h>
332fe8fb19SBen Gras #if defined(LIBC_SCCS) && !defined(lint)
34*84d9c625SLionel Sambuc __RCSID("$NetBSD: compat_getrusage.c,v 1.4 2013/10/04 21:07:37 christos Exp $");
352fe8fb19SBen Gras #endif /* LIBC_SCCS and not lint */
362fe8fb19SBen Gras 
372fe8fb19SBen Gras #define __LIBC12_SOURCE__
382fe8fb19SBen Gras 
392fe8fb19SBen Gras #include "namespace.h"
402fe8fb19SBen Gras #include <string.h>
412fe8fb19SBen Gras #include <sys/types.h>
422fe8fb19SBen Gras #include <sys/resource.h>
432fe8fb19SBen Gras #include <compat/sys/resource.h>
442fe8fb19SBen Gras 
452fe8fb19SBen Gras __warn_references(getrusage,
462fe8fb19SBen Gras     "warning: reference to compatibility getrusage(); include <sys/resource.h> to generate correct reference")
472fe8fb19SBen Gras 
48*84d9c625SLionel Sambuc __strong_alias(getrusage, __compat_getrusage)
49*84d9c625SLionel Sambuc 
502fe8fb19SBen Gras void __rusage_to_rusage50(const struct rusage *, struct rusage50 *);
512fe8fb19SBen Gras 
522fe8fb19SBen Gras void
__rusage_to_rusage50(const struct rusage * ru,struct rusage50 * ru50)532fe8fb19SBen Gras __rusage_to_rusage50(const struct rusage *ru, struct rusage50 *ru50)
542fe8fb19SBen Gras {
552fe8fb19SBen Gras 	(void)memcpy(&ru50->ru_first, &ru->ru_first,
562fe8fb19SBen Gras 	    (size_t)((char *)(void *)&ru50->ru_last -
572fe8fb19SBen Gras 	    (char *)(void *)&ru50->ru_first));
582fe8fb19SBen Gras 	ru50->ru_maxrss = ru->ru_maxrss;
592fe8fb19SBen Gras 	timeval_to_timeval50(&ru->ru_utime, &ru50->ru_utime);
602fe8fb19SBen Gras 	timeval_to_timeval50(&ru->ru_stime, &ru50->ru_stime);
612fe8fb19SBen Gras }
622fe8fb19SBen Gras 
632fe8fb19SBen Gras /*
642fe8fb19SBen Gras  * libc12 compatible getrusage routine.
652fe8fb19SBen Gras  */
662fe8fb19SBen Gras int
__compat_getrusage(int who,struct rusage50 * ru50)67*84d9c625SLionel Sambuc __compat_getrusage(int who, struct rusage50 *ru50)
682fe8fb19SBen Gras {
692fe8fb19SBen Gras 	struct rusage ru;
702fe8fb19SBen Gras 	int rv;
712fe8fb19SBen Gras 
722fe8fb19SBen Gras 	if ((rv = __getrusage50(who, &ru)) == -1)
732fe8fb19SBen Gras 		return rv;
742fe8fb19SBen Gras 	__rusage_to_rusage50(&ru, ru50);
752fe8fb19SBen Gras 	return rv;
762fe8fb19SBen Gras }
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