Home | History | Annotate | Line # | Download | only in sys
compat_select.c revision 1.2
      1  1.2  christos /*	$NetBSD: compat_select.c,v 1.2 2009/01/11 02:46:26 christos Exp $	*/
      2  1.2  christos 
      3  1.2  christos /*-
      4  1.2  christos  * Copyright (c) 2008 The NetBSD Foundation, Inc.
      5  1.2  christos  * All rights reserved.
      6  1.2  christos  *
      7  1.2  christos  * This code is derived from software contributed to The NetBSD Foundation
      8  1.2  christos  * by Christos Zoulas.
      9  1.2  christos  *
     10  1.2  christos  * Redistribution and use in source and binary forms, with or without
     11  1.2  christos  * modification, are permitted provided that the following conditions
     12  1.2  christos  * are met:
     13  1.2  christos  * 1. Redistributions of source code must retain the above copyright
     14  1.2  christos  *    notice, this list of conditions and the following disclaimer.
     15  1.2  christos  * 2. Redistributions in binary form must reproduce the above copyright
     16  1.2  christos  *    notice, this list of conditions and the following disclaimer in the
     17  1.2  christos  *    documentation and/or other materials provided with the distribution.
     18  1.2  christos  *
     19  1.2  christos  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     20  1.2  christos  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     21  1.2  christos  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     22  1.2  christos  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     23  1.2  christos  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     24  1.2  christos  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     25  1.2  christos  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     26  1.2  christos  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     27  1.2  christos  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     28  1.2  christos  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     29  1.2  christos  * POSSIBILITY OF SUCH DAMAGE.
     30  1.2  christos  */
     31  1.2  christos 
     32  1.2  christos #include <sys/cdefs.h>
     33  1.2  christos #if defined(LIBC_SCCS) && !defined(lint)
     34  1.2  christos __RCSID("$NetBSD: compat_select.c,v 1.2 2009/01/11 02:46:26 christos Exp $");
     35  1.2  christos #endif /* LIBC_SCCS and not lint */
     36  1.2  christos 
     37  1.2  christos #define __LIBC12_SOURCE__
     38  1.2  christos 
     39  1.2  christos #include "namespace.h"
     40  1.2  christos #include <sys/types.h>
     41  1.2  christos #include <sys/time.h>
     42  1.2  christos #include <compat/sys/time.h>
     43  1.2  christos #include <sys/select.h>
     44  1.2  christos #include <compat/sys/select.h>
     45  1.2  christos #include <sys/poll.h>
     46  1.2  christos #include <compat/sys/poll.h>
     47  1.2  christos 
     48  1.2  christos __warn_references(pollts,
     49  1.2  christos     "warning: reference to compatibility pollts(); include <poll.h> to generate correct reference")
     50  1.2  christos __warn_references(select,
     51  1.2  christos     "warning: reference to compatibility select(); include <sys/select.h> to generate correct reference")
     52  1.2  christos __warn_references(pselect,
     53  1.2  christos     "warning: reference to compatibility pselect(); include <sys/select.h> to generate correct reference")
     54  1.2  christos 
     55  1.2  christos #ifdef __weak_alias
     56  1.2  christos __weak_alias(select, _select)
     57  1.2  christos __weak_alias(_sys_select, _select)
     58  1.2  christos __weak_alias(pselect, _pselect)
     59  1.2  christos __weak_alias(_sys_pselect, _pselect)
     60  1.2  christos __weak_alias(pollts, _pollts)
     61  1.2  christos __weak_alias(_sys_pollts, _pollts)
     62  1.2  christos #endif
     63  1.2  christos int
     64  1.2  christos pollts(struct pollfd * __restrict fds, nfds_t nfds,
     65  1.2  christos     const struct timespec50 * __restrict tim50,
     66  1.2  christos     const sigset_t * __restrict sigmask)
     67  1.2  christos {
     68  1.2  christos 	struct timespec tim, *timp;
     69  1.2  christos 
     70  1.2  christos 	if (tim50)
     71  1.2  christos 		timespec50_to_timespec(tim50, timp = &tim);
     72  1.2  christos 	else
     73  1.2  christos 		timp = NULL;
     74  1.2  christos 	return __pollts50(fds, nfds, timp, sigmask);
     75  1.2  christos }
     76  1.2  christos 
     77  1.2  christos int
     78  1.2  christos select(int nfds, fd_set * __restrict readfds, fd_set * __restrict writefds,
     79  1.2  christos     fd_set * __restrict exceptfds, struct timeval50 * __restrict tim50)
     80  1.2  christos {
     81  1.2  christos 	struct timeval tim, *timp;
     82  1.2  christos 
     83  1.2  christos 	if (tim50)
     84  1.2  christos 		timeval50_to_timeval(tim50, timp = &tim);
     85  1.2  christos 	else
     86  1.2  christos 		timp = NULL;
     87  1.2  christos 	return __select50(nfds, readfds, writefds, exceptfds, timp);
     88  1.2  christos }
     89  1.2  christos 
     90  1.2  christos int
     91  1.2  christos pselect(int nfds, fd_set * __restrict readfds, fd_set * __restrict writefds,
     92  1.2  christos     fd_set * __restrict exceptfds, const struct timespec50 *__restrict tim50,
     93  1.2  christos     const sigset_t * __restrict sigmask)
     94  1.2  christos {
     95  1.2  christos 	struct timespec tim, *timp;
     96  1.2  christos 
     97  1.2  christos 	if (tim50)
     98  1.2  christos 		timespec50_to_timespec(tim50, timp = &tim);
     99  1.2  christos 	else
    100  1.2  christos 		timp = NULL;
    101  1.2  christos 	return __pselect50(nfds, readfds, writefds, exceptfds, timp, sigmask);
    102  1.2  christos }
    103