lib/libc/compat/sys/compat_clock.c

   1 /*      $NetBSD: compat_clock.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_clock.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(clock_gettime,
  47     "warning: reference to compatibility clock_gettime(); include <time.h> to generate correct reference")
  48 __warn_references(clock_settime,
  49     "warning: reference to compatibility clock_settime(); include <time.h> to generate correct reference")
  50 __warn_references(clock_getres,
  51     "warning: reference to compatibility clock_getres(); include <time.h> to generate correct reference")
  52
  53 #ifdef __weak_alias
  54 __weak_alias(clock_settime, _clock_settime)
  55 __weak_alias(__clock_settime, _clock_settime)
  56 __weak_alias(clock_gettime, _clock_gettime)
  57 __weak_alias(clock_getres, _clock_getres)
  58 #endif
  59
  60 int
  61 clock_settime(clockid_t clockid, const struct timespec50 * tim50)
  62 {
  63         struct timespec tim, *timp;
  64         int error;
  65
  66         if (tim50)
  67                 timespec50_to_timespec(tim50, timp = &tim);
  68         else
  69                 timp = NULL;
  70         error = __clock_settime50(clockid, timp);
  71         if (error)
  72                 return error;
  73         return 0;
  74 }
  75
  76 int
  77 clock_gettime(clockid_t clockid, struct timespec50 *tim50)
  78 {
  79         struct timespec tim, *timp = tim50 ? &tim : NULL;
  80         int error = __clock_gettime50(clockid, timp);
  81         if (error)
  82                 return error;
  83         if (tim50)
  84                 timespec_to_timespec50(timp, tim50);
  85         return 0;
  86 }
  87
  88 int
  89 clock_getres(clockid_t clockid, struct timespec50 *tim50)
  90 {
  91         struct timespec tim, *timp = tim50 ? &tim : NULL;
  92         int error = __clock_getres50(clockid, timp);
  93         if (error)
  94                 return error;
  95         if (tim50)
  96                 timespec_to_timespec50(timp, tim50);
  97         return 0;
  98 }