lib/libc/compat/sys/compat_itimer.c

   1 /*      $NetBSD: compat_itimer.c,v 1.1.2.1 2008/11/08 21:49:35 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 1.1.2.1 2008/11/08 21:49:35 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 }