1 /* $NetBSD: kern_event_100.c,v 1.1 2023/07/28 18:19:00 christos Exp $ */ 2 3 /*- 4 * Copyright (c) 2023 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 17 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 18 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 19 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 20 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 26 * POSSIBILITY OF SUCH DAMAGE. 27 */ 28 #include <sys/cdefs.h> 29 __KERNEL_RCSID(0, "$NetBSD: kern_event_100.c,v 1.1 2023/07/28 18:19:00 christos Exp $"); 30 31 #if defined(_KERNEL_OPT) 32 #include "opt_compat_netbsd.h" 33 #endif 34 35 #include <sys/param.h> 36 #include <sys/event.h> 37 #include <sys/syscall.h> 38 #include <sys/syscallvar.h> 39 #include <sys/syscallargs.h> 40 41 #include <compat/common/compat_mod.h> 42 #include <compat/sys/event.h> 43 44 static const struct syscall_package kern_event_100_syscalls[] = { 45 { SYS_compat_100___kevent50, 0, 46 (sy_call_t *)compat_100_sys___kevent50 }, 47 { 0, 0, NULL }, 48 }; 49 50 int 51 compat_100_sys___kevent50(struct lwp *l, 52 const struct compat_100_sys___kevent50_args *uap, 53 register_t *retval) 54 { 55 /* { 56 syscallarg(int) fd; 57 syscallarg(const struct kevent100 *) changelist; 58 syscallarg(size_t) nchanges; 59 syscallarg(struct kevent100 *) eventlist; 60 syscallarg(size_t) nevents; 61 syscallarg(const struct timespec *) timeout; 62 } */ 63 static const struct kevent_ops compat_100_kevent_ops = { 64 .keo_private = NULL, 65 .keo_fetch_timeout = copyin, 66 .keo_fetch_changes = compat_100___kevent50_fetch_changes, 67 .keo_put_events = compat_100___kevent50_put_events, 68 }; 69 70 return kevent1(retval, SCARG(uap, fd), 71 (const struct kevent *)SCARG(uap, changelist), SCARG(uap, nchanges), 72 (struct kevent *)SCARG(uap, eventlist), SCARG(uap, nevents), 73 SCARG(uap, timeout), &compat_100_kevent_ops); 74 } 75 76 int 77 kern_event_100_init(void) 78 { 79 80 return syscall_establish(NULL, kern_event_100_syscalls); 81 } 82 83 int 84 kern_event_100_fini(void) 85 { 86 87 return syscall_disestablish(NULL, kern_event_100_syscalls); 88 } 89