|  | /* | 
|  | *  linux/include/asm-arm/thread_notify.h | 
|  | * | 
|  | *  Copyright (C) 2006 Russell King. | 
|  | * | 
|  | * This program is free software; you can redistribute it and/or modify | 
|  | * it under the terms of the GNU General Public License version 2 as | 
|  | * published by the Free Software Foundation. | 
|  | */ | 
|  | #ifndef ASMARM_THREAD_NOTIFY_H | 
|  | #define ASMARM_THREAD_NOTIFY_H | 
|  |  | 
|  | #ifdef __KERNEL__ | 
|  |  | 
|  | #ifndef __ASSEMBLY__ | 
|  |  | 
|  | #include <linux/notifier.h> | 
|  | #include <asm/thread_info.h> | 
|  |  | 
|  | static inline int thread_register_notifier(struct notifier_block *n) | 
|  | { | 
|  | extern struct atomic_notifier_head thread_notify_head; | 
|  | return atomic_notifier_chain_register(&thread_notify_head, n); | 
|  | } | 
|  |  | 
|  | static inline void thread_unregister_notifier(struct notifier_block *n) | 
|  | { | 
|  | extern struct atomic_notifier_head thread_notify_head; | 
|  | atomic_notifier_chain_unregister(&thread_notify_head, n); | 
|  | } | 
|  |  | 
|  | static inline void thread_notify(unsigned long rc, struct thread_info *thread) | 
|  | { | 
|  | extern struct atomic_notifier_head thread_notify_head; | 
|  | atomic_notifier_call_chain(&thread_notify_head, rc, thread); | 
|  | } | 
|  |  | 
|  | #endif | 
|  |  | 
|  | /* | 
|  | * These are the reason codes for the thread notifier. | 
|  | */ | 
|  | #define THREAD_NOTIFY_FLUSH	0 | 
|  | #define THREAD_NOTIFY_RELEASE	1 | 
|  | #define THREAD_NOTIFY_SWITCH	2 | 
|  |  | 
|  | #endif | 
|  | #endif |