50 lines
1.2 KiB
C
50 lines
1.2 KiB
C
/*
|
|
* 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
|
|
#define THREAD_NOTIFY_COPY 3
|
|
|
|
#endif
|
|
#endif
|