1/* $NetBSD: compat_kevent.c,v 1.4 2023/07/29 10:01:24 rin 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 * 3. All advertising materials mentioning features or use of this software 19 * must display the following acknowledgement: 20 * This product includes software developed by the NetBSD 21 * Foundation, Inc. and its contributors. 22 * 4. Neither the name of The NetBSD Foundation nor the names of its 23 * contributors may be used to endorse or promote products derived 24 * from this software without specific prior written permission. 25 * 26 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 27 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 28 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 29 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 30 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 31 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 32 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 33 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 34 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 35 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 36 * POSSIBILITY OF SUCH DAMAGE. 37 */ 38#include <sys/cdefs.h> 39#if defined(LIBC_SCCS) && !defined(lint) 40__RCSID("$NetBSD: compat_kevent.c,v 1.4 2023/07/29 10:01:24 rin Exp $"); 41#endif /* LIBC_SCCS and not lint */ 42 43#include "namespace.h" 44#define __LIBC12_SOURCE__ 45#include <sys/time.h> 46#include <compat/sys/time.h> 47#include <sys/event.h> 48#include <compat/sys/event.h> 49#include <stdlib.h> 50 51__warn_references(kevent, 52 "warning: reference to compatibility kevent(); include <sys/event.h> to generate correct reference") 53__warn_references(__kevent50, 54 "warning: reference to compatibility __kevent50(); use kevent()") 55 56int 57kevent(int kq, const struct kevent100 *changelist, size_t nchanges, 58 struct kevent100 *eventlist, size_t nevents, const struct timespec50 *ts50) 59{ 60 struct timespec ts, *tsp; 61 62 if (ts50) 63 timespec50_to_timespec(ts50, tsp = &ts); 64 else 65 tsp = NULL; 66 return __kevent50(kq, changelist, nchanges, eventlist, nevents, tsp); 67} 68 69int 70__kevent50(int kq, const struct kevent100 *changelist100, size_t nchanges, 71 struct kevent100 *eventlist100, size_t nevents, const struct timespec *tsp) 72{ 73 int retval; 74 struct kevent *changelist; 75 struct kevent *eventlist; 76 77 changelist = malloc(sizeof(*changelist) * nchanges); 78 if (changelist == NULL) { 79 return -1; 80 } 81 82 eventlist = malloc(sizeof(*eventlist) * nevents); 83 if (eventlist == NULL) { 84 retval = -1; 85 goto leave0; 86 } 87 88 for (size_t i = 0; i < nchanges; i++) 89 kevent100_to_kevent(changelist100 + i, changelist + i); 90 91 retval = __kevent100(kq, changelist, nchanges, eventlist, nevents, tsp); 92 if (retval == -1) 93 goto leave1; 94 95 for (int i = 0; i < retval; i++) 96 kevent_to_kevent100(eventlist + i, eventlist100 + i); 97 98leave1: 99 free(eventlist); 100leave0: 101 free(changelist); 102 return retval; 103} 104