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 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 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 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