xref: /minix3/lib/libc/compat/sys/compat_select.c (revision 2fe8fb192fe7e8720e3e7a77f928da545e872a6a)
1*2fe8fb19SBen Gras /*	$NetBSD: compat_select.c,v 1.2 2009/01/11 02:46:26 christos Exp $	*/
2*2fe8fb19SBen Gras 
3*2fe8fb19SBen Gras /*-
4*2fe8fb19SBen Gras  * Copyright (c) 2008 The NetBSD Foundation, Inc.
5*2fe8fb19SBen Gras  * All rights reserved.
6*2fe8fb19SBen Gras  *
7*2fe8fb19SBen Gras  * This code is derived from software contributed to The NetBSD Foundation
8*2fe8fb19SBen Gras  * by Christos Zoulas.
9*2fe8fb19SBen Gras  *
10*2fe8fb19SBen Gras  * Redistribution and use in source and binary forms, with or without
11*2fe8fb19SBen Gras  * modification, are permitted provided that the following conditions
12*2fe8fb19SBen Gras  * are met:
13*2fe8fb19SBen Gras  * 1. Redistributions of source code must retain the above copyright
14*2fe8fb19SBen Gras  *    notice, this list of conditions and the following disclaimer.
15*2fe8fb19SBen Gras  * 2. Redistributions in binary form must reproduce the above copyright
16*2fe8fb19SBen Gras  *    notice, this list of conditions and the following disclaimer in the
17*2fe8fb19SBen Gras  *    documentation and/or other materials provided with the distribution.
18*2fe8fb19SBen Gras  *
19*2fe8fb19SBen Gras  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20*2fe8fb19SBen Gras  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21*2fe8fb19SBen Gras  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22*2fe8fb19SBen Gras  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23*2fe8fb19SBen Gras  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24*2fe8fb19SBen Gras  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25*2fe8fb19SBen Gras  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26*2fe8fb19SBen Gras  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27*2fe8fb19SBen Gras  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28*2fe8fb19SBen Gras  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29*2fe8fb19SBen Gras  * POSSIBILITY OF SUCH DAMAGE.
30*2fe8fb19SBen Gras  */
31*2fe8fb19SBen Gras 
32*2fe8fb19SBen Gras #include <sys/cdefs.h>
33*2fe8fb19SBen Gras #if defined(LIBC_SCCS) && !defined(lint)
34*2fe8fb19SBen Gras __RCSID("$NetBSD: compat_select.c,v 1.2 2009/01/11 02:46:26 christos Exp $");
35*2fe8fb19SBen Gras #endif /* LIBC_SCCS and not lint */
36*2fe8fb19SBen Gras 
37*2fe8fb19SBen Gras #define __LIBC12_SOURCE__
38*2fe8fb19SBen Gras 
39*2fe8fb19SBen Gras #include "namespace.h"
40*2fe8fb19SBen Gras #include <sys/types.h>
41*2fe8fb19SBen Gras #include <sys/time.h>
42*2fe8fb19SBen Gras #include <compat/sys/time.h>
43*2fe8fb19SBen Gras #include <sys/select.h>
44*2fe8fb19SBen Gras #include <compat/sys/select.h>
45*2fe8fb19SBen Gras #include <sys/poll.h>
46*2fe8fb19SBen Gras #include <compat/sys/poll.h>
47*2fe8fb19SBen Gras 
48*2fe8fb19SBen Gras __warn_references(pollts,
49*2fe8fb19SBen Gras     "warning: reference to compatibility pollts(); include <poll.h> to generate correct reference")
50*2fe8fb19SBen Gras __warn_references(select,
51*2fe8fb19SBen Gras     "warning: reference to compatibility select(); include <sys/select.h> to generate correct reference")
52*2fe8fb19SBen Gras __warn_references(pselect,
53*2fe8fb19SBen Gras     "warning: reference to compatibility pselect(); include <sys/select.h> to generate correct reference")
54*2fe8fb19SBen Gras 
55*2fe8fb19SBen Gras #ifdef __weak_alias
__weak_alias(select,_select)56*2fe8fb19SBen Gras __weak_alias(select, _select)
57*2fe8fb19SBen Gras __weak_alias(_sys_select, _select)
58*2fe8fb19SBen Gras __weak_alias(pselect, _pselect)
59*2fe8fb19SBen Gras __weak_alias(_sys_pselect, _pselect)
60*2fe8fb19SBen Gras __weak_alias(pollts, _pollts)
61*2fe8fb19SBen Gras __weak_alias(_sys_pollts, _pollts)
62*2fe8fb19SBen Gras #endif
63*2fe8fb19SBen Gras int
64*2fe8fb19SBen Gras pollts(struct pollfd * __restrict fds, nfds_t nfds,
65*2fe8fb19SBen Gras     const struct timespec50 * __restrict tim50,
66*2fe8fb19SBen Gras     const sigset_t * __restrict sigmask)
67*2fe8fb19SBen Gras {
68*2fe8fb19SBen Gras 	struct timespec tim, *timp;
69*2fe8fb19SBen Gras 
70*2fe8fb19SBen Gras 	if (tim50)
71*2fe8fb19SBen Gras 		timespec50_to_timespec(tim50, timp = &tim);
72*2fe8fb19SBen Gras 	else
73*2fe8fb19SBen Gras 		timp = NULL;
74*2fe8fb19SBen Gras 	return __pollts50(fds, nfds, timp, sigmask);
75*2fe8fb19SBen Gras }
76*2fe8fb19SBen Gras 
77*2fe8fb19SBen Gras int
select(int nfds,fd_set * __restrict readfds,fd_set * __restrict writefds,fd_set * __restrict exceptfds,struct timeval50 * __restrict tim50)78*2fe8fb19SBen Gras select(int nfds, fd_set * __restrict readfds, fd_set * __restrict writefds,
79*2fe8fb19SBen Gras     fd_set * __restrict exceptfds, struct timeval50 * __restrict tim50)
80*2fe8fb19SBen Gras {
81*2fe8fb19SBen Gras 	struct timeval tim, *timp;
82*2fe8fb19SBen Gras 
83*2fe8fb19SBen Gras 	if (tim50)
84*2fe8fb19SBen Gras 		timeval50_to_timeval(tim50, timp = &tim);
85*2fe8fb19SBen Gras 	else
86*2fe8fb19SBen Gras 		timp = NULL;
87*2fe8fb19SBen Gras 	return __select50(nfds, readfds, writefds, exceptfds, timp);
88*2fe8fb19SBen Gras }
89*2fe8fb19SBen Gras 
90*2fe8fb19SBen Gras 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*2fe8fb19SBen Gras pselect(int nfds, fd_set * __restrict readfds, fd_set * __restrict writefds,
92*2fe8fb19SBen Gras     fd_set * __restrict exceptfds, const struct timespec50 *__restrict tim50,
93*2fe8fb19SBen Gras     const sigset_t * __restrict sigmask)
94*2fe8fb19SBen Gras {
95*2fe8fb19SBen Gras 	struct timespec tim, *timp;
96*2fe8fb19SBen Gras 
97*2fe8fb19SBen Gras 	if (tim50)
98*2fe8fb19SBen Gras 		timespec50_to_timespec(tim50, timp = &tim);
99*2fe8fb19SBen Gras 	else
100*2fe8fb19SBen Gras 		timp = NULL;
101*2fe8fb19SBen Gras 	return __pselect50(nfds, readfds, writefds, exceptfds, timp, sigmask);
102*2fe8fb19SBen Gras }
103