2005-04-17 05:20:36 +07:00
|
|
|
/* thread_info.h: common low-level thread information accessors
|
|
|
|
|
*
|
|
|
|
|
* Copyright (C) 2002 David Howells (dhowells@redhat.com)
|
|
|
|
|
* - Incorporating suggestions made by Linus Torvalds
|
|
|
|
|
*/
|
|
|
|
|
|
|
|
|
|
#ifndef _LINUX_THREAD_INFO_H
|
|
|
|
|
#define _LINUX_THREAD_INFO_H
|
|
|
|
|
|
|
|
|
|
/*
|
|
|
|
|
* System call restart block.
|
|
|
|
|
*/
|
|
|
|
|
struct restart_block {
|
|
|
|
|
long (*fn)(struct restart_block *);
|
|
|
|
|
unsigned long arg0, arg1, arg2, arg3;
|
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
extern long do_no_restart_syscall(struct restart_block *parm);
|
|
|
|
|
|
|
|
|
|
#include <linux/bitops.h>
|
|
|
|
|
#include <asm/thread_info.h>
|
|
|
|
|
|
|
|
|
|
#ifdef __KERNEL__
|
|
|
|
|
|
|
|
|
|
/*
|
|
|
|
|
* flag set/clear/test wrappers
|
|
|
|
|
* - pass TIF_xxxx constants to these functions
|
|
|
|
|
*/
|
|
|
|
|
|
|
|
|
|
static inline void set_ti_thread_flag(struct thread_info *ti, int flag)
|
|
|
|
|
{
|
|
|
|
|
set_bit(flag,&ti->flags);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static inline void clear_ti_thread_flag(struct thread_info *ti, int flag)
|
|
|
|
|
{
|
|
|
|
|
clear_bit(flag,&ti->flags);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static inline int test_and_set_ti_thread_flag(struct thread_info *ti, int flag)
|
|
|
|
|
{
|
|
|
|
|
return test_and_set_bit(flag,&ti->flags);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static inline int test_and_clear_ti_thread_flag(struct thread_info *ti, int flag)
|
|
|
|
|
{
|
|
|
|
|
return test_and_clear_bit(flag,&ti->flags);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static inline int test_ti_thread_flag(struct thread_info *ti, int flag)
|
|
|
|
|
{
|
|
|
|
|
return test_bit(flag,&ti->flags);
|
|
|
|
|
}
|
|
|
|
|
|
2005-11-14 07:06:59 +07:00
|
|
|
#define set_thread_flag(flag) \
|
|
|
|
|
set_ti_thread_flag(current_thread_info(), flag)
|
|
|
|
|
#define clear_thread_flag(flag) \
|
|
|
|
|
clear_ti_thread_flag(current_thread_info(), flag)
|
|
|
|
|
#define test_and_set_thread_flag(flag) \
|
|
|
|
|
test_and_set_ti_thread_flag(current_thread_info(), flag)
|
|
|
|
|
#define test_and_clear_thread_flag(flag) \
|
|
|
|
|
test_and_clear_ti_thread_flag(current_thread_info(), flag)
|
|
|
|
|
#define test_thread_flag(flag) \
|
|
|
|
|
test_ti_thread_flag(current_thread_info(), flag)
|
|
|
|
|
|
|
|
|
|
#define set_need_resched() set_thread_flag(TIF_NEED_RESCHED)
|
|
|
|
|
#define clear_need_resched() clear_thread_flag(TIF_NEED_RESCHED)
|
2005-04-17 05:20:36 +07:00
|
|
|
|
|
|
|
|
#endif
|
|
|
|
|
|
|
|
|
|
#endif /* _LINUX_THREAD_INFO_H */
|
