1 /*	$NetBSD: compat_select.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_select.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 <sys/time.h>
42 #include <compat/sys/time.h>
43 #include <sys/select.h>
44 #include <compat/sys/select.h>
45 #include <sys/poll.h>
46 #include <compat/sys/poll.h>
47 
48 __warn_references(pollts,
49     "warning: reference to compatibility pollts(); include <poll.h> to generate correct reference")
50 __warn_references(select,
51     "warning: reference to compatibility select(); include <sys/select.h> to generate correct reference")
52 __warn_references(pselect,
53     "warning: reference to compatibility pselect(); include <sys/select.h> to generate correct reference")
54 
55 #ifdef __weak_alias
__weak_alias(select,_select)56 __weak_alias(select, _select)
57 __weak_alias(_sys_select, _select)
58 __weak_alias(pselect, _pselect)
59 __weak_alias(_sys_pselect, _pselect)
60 __weak_alias(pollts, _pollts)
61 __weak_alias(_sys_pollts, _pollts)
62 #endif
63 int
64 pollts(struct pollfd * __restrict fds, nfds_t nfds,
65     const struct timespec50 * __restrict tim50,
66     const sigset_t * __restrict sigmask)
67 {
68 	struct timespec tim, *timp;
69 
70 	if (tim50)
71 		timespec50_to_timespec(tim50, timp = &tim);
72 	else
73 		timp = NULL;
74 	return __pollts50(fds, nfds, timp, sigmask);
75 }
76 
77 int
select(int nfds,fd_set * __restrict readfds,fd_set * __restrict writefds,fd_set * __restrict exceptfds,struct timeval50 * __restrict tim50)78 select(int nfds, fd_set * __restrict readfds, fd_set * __restrict writefds,
79     fd_set * __restrict exceptfds, struct timeval50 * __restrict tim50)
80 {
81 	struct timeval tim, *timp;
82 
83 	if (tim50)
84 		timeval50_to_timeval(tim50, timp = &tim);
85 	else
86 		timp = NULL;
87 	return __select50(nfds, readfds, writefds, exceptfds, timp);
88 }
89 
90 int
pselect(int nfds,fd_set * __restrict readfds,fd_set * __restrict writefds,fd_set * __restrict exceptfds,const struct timespec50 * __restrict tim50,const sigset_t * __restrict sigmask)91 pselect(int nfds, fd_set * __restrict readfds, fd_set * __restrict writefds,
92     fd_set * __restrict exceptfds, const struct timespec50 *__restrict tim50,
93     const sigset_t * __restrict sigmask)
94 {
95 	struct timespec tim, *timp;
96 
97 	if (tim50)
98 		timespec50_to_timespec(tim50, timp = &tim);
99 	else
100 		timp = NULL;
101 	return __pselect50(nfds, readfds, writefds, exceptfds, timp, sigmask);
102 }
103