| /* |
| * arch/arm/include/asm/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_EXIT 1 |
| #define THREAD_NOTIFY_SWITCH 2 |
| |
| #endif |
| #endif |
