1 1.5 riastrad /* $NetBSD: notifier.h,v 1.5 2021/12/19 11:47:08 riastradh Exp $ */ 2 1.2 riastrad 3 1.2 riastrad /*- 4 1.2 riastrad * Copyright (c) 2013 The NetBSD Foundation, Inc. 5 1.2 riastrad * All rights reserved. 6 1.2 riastrad * 7 1.2 riastrad * This code is derived from software contributed to The NetBSD Foundation 8 1.2 riastrad * by Taylor R. Campbell. 9 1.2 riastrad * 10 1.2 riastrad * Redistribution and use in source and binary forms, with or without 11 1.2 riastrad * modification, are permitted provided that the following conditions 12 1.2 riastrad * are met: 13 1.2 riastrad * 1. Redistributions of source code must retain the above copyright 14 1.2 riastrad * notice, this list of conditions and the following disclaimer. 15 1.2 riastrad * 2. Redistributions in binary form must reproduce the above copyright 16 1.2 riastrad * notice, this list of conditions and the following disclaimer in the 17 1.2 riastrad * documentation and/or other materials provided with the distribution. 18 1.2 riastrad * 19 1.2 riastrad * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 1.2 riastrad * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 1.2 riastrad * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 1.2 riastrad * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 1.2 riastrad * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 1.2 riastrad * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 1.2 riastrad * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 1.2 riastrad * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 1.2 riastrad * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 1.2 riastrad * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 1.2 riastrad * POSSIBILITY OF SUCH DAMAGE. 30 1.2 riastrad */ 31 1.2 riastrad 32 1.2 riastrad #ifndef _LINUX_NOTIFIER_H_ 33 1.2 riastrad #define _LINUX_NOTIFIER_H_ 34 1.2 riastrad 35 1.2 riastrad #include <sys/cdefs.h> 36 1.2 riastrad 37 1.4 riastrad #include <sys/pslist.h> 38 1.4 riastrad 39 1.4 riastrad #include <linux/spinlock.h> 40 1.4 riastrad 41 1.4 riastrad /* namespace */ 42 1.4 riastrad #define ATOMIC_INIT_NOTIFIER_HEAD linux_ATOMIC_INIT_NOTIFIER_HEAD 43 1.4 riastrad #define ATOMIC_CLEANUP_NOTIFIER_HEAD linux_ATOMIC_CLEANUP_NOTIFIER_HEAD 44 1.4 riastrad #define atomic_notifier_call_chain linux_atomic_notifier_call_chain 45 1.4 riastrad #define atomic_notifier_chain_register linux_atomic_notifier_chain_register 46 1.4 riastrad #define atomic_notifier_chain_unregister linux_atomic_notifier_chain_unregister 47 1.4 riastrad 48 1.3 riastrad #define NOTIFY_DONE 0 49 1.3 riastrad #define NOTIFY_OK 1 50 1.2 riastrad 51 1.2 riastrad struct notifier_block { 52 1.4 riastrad int (*notifier_call)(struct notifier_block *, unsigned long, void *); 53 1.4 riastrad struct pslist_entry nb_entry; 54 1.2 riastrad }; 55 1.2 riastrad 56 1.2 riastrad struct atomic_notifier_head { 57 1.4 riastrad spinlock_t anh_lock; 58 1.4 riastrad struct pslist_head anh_list; 59 1.2 riastrad }; 60 1.2 riastrad 61 1.4 riastrad void ATOMIC_INIT_NOTIFIER_HEAD(struct atomic_notifier_head *); 62 1.4 riastrad void ATOMIC_CLEANUP_NOTIFIER_HEAD(struct atomic_notifier_head *); 63 1.2 riastrad 64 1.4 riastrad void atomic_notifier_chain_register(struct atomic_notifier_head *, 65 1.4 riastrad struct notifier_block *); 66 1.4 riastrad void atomic_notifier_chain_unregister(struct atomic_notifier_head *, 67 1.4 riastrad struct notifier_block *); 68 1.5 riastrad void atomic_notifier_call_chain(struct atomic_notifier_head *, unsigned long, 69 1.4 riastrad void *); 70 1.2 riastrad 71 1.2 riastrad #endif /* _LINUX_NOTIFIER_H_ */ 72
Indexes created Sat Sep 20 22:09:52 GMT 2025