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notifier.h revision 1.3 
      1 /*	$NetBSD: notifier.h,v 1.3 2018/08/27 07:18:18 riastradh Exp $	*/
      2 
      3 /*-
      4  * Copyright (c) 2013 The NetBSD Foundation, Inc.
      5  * All rights reserved.
      6  *
      7  * This code is derived from software contributed to The NetBSD Foundation
      8  * by Taylor R. Campbell.
      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 #ifndef _LINUX_NOTIFIER_H_
     33 #define _LINUX_NOTIFIER_H_
     34 
     35 #include <sys/cdefs.h>
     36 
     37 #define	NOTIFY_DONE	0
     38 #define	NOTIFY_OK	1
     39 
     40 struct notifier_block {
     41 	int	(*notifier_call)(struct notifier_block *, unsigned long,
     42 		    void *);
     43 };
     44 
     45 struct atomic_notifier_head {
     46 	char	anh_blahdittyblahblah;
     47 };
     48 
     49 static struct atomic_notifier_head panic_notifier_list __unused;
     50 
     51 static inline void
     52 atomic_notifier_chain_register(struct atomic_notifier_head *head __unused,
     53     struct notifier_block *block __unused)
     54 {
     55 }
     56 
     57 static inline void
     58 atomic_notifier_chain_unregister(struct atomic_notifier_head *head __unused,
     59     struct notifier_block *block __unused)
     60 {
     61 }
     62 
     63 #endif  /* _LINUX_NOTIFIER_H_ */
     64