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      1 /*	$NetBSD: compat_itimer.c,v 1.2 2009/01/11 02:46:26 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_itimer.c,v 1.2 2009/01/11 02:46:26 christos Exp $");
     35 #endif /* LIBC_SCCS and not lint */
     36 
     37 #define __LIBC12_SOURCE__
     38 
     39 #include "namespace.h"
     40 #include <sys/types.h>
     41 #include <time.h>
     42 #include <compat/include/time.h>
     43 #include <sys/time.h>
     44 #include <compat/sys/time.h>
     45 
     46 __warn_references(getitimer,
     47     "warning: reference to compatibility getitimer(); include <sys/time.h> to generate correct reference")
     48 __warn_references(setitimer,
     49     "warning: reference to compatibility setitimer(); include <sys/time.h> to generate correct reference")
     50 
     51 int
     52 setitimer(int timerid, const struct itimerval50 * __restrict tim50,
     53     struct itimerval50 * __restrict otim50)
     54 {
     55 	struct itimerval tim, *timp;
     56 	struct itimerval otim, *otimp;
     57 	int error;
     58 
     59 	otimp = otim50 ? &otim : NULL;
     60 	if (tim50)
     61 		itimerval50_to_itimerval(tim50, timp = &tim);
     62 	else
     63 		timp = NULL;
     64 	error = __setitimer50(timerid, timp, otimp);
     65 	if (error)
     66 		return error;
     67 	if (otim50)
     68 		itimerval_to_itimerval50(otimp, otim50);
     69 	return 0;
     70 }
     71 
     72 int
     73 getitimer(int timerid, struct itimerval50 *tim50)
     74 {
     75 	struct itimerval tim, *timp = tim50 ? &tim : NULL;
     76 	int error = __getitimer50(timerid, timp);
     77 	if (error)
     78 		return error;
     79 	if (tim50)
     80 		itimerval_to_itimerval50(timp, tim50);
     81 	return 0;
     82 }
     83