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/*
 * Copyright (C) 2002 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
 * Licensed under the GPL
 */

#ifndef __UM_THREAD_INFO_H
#define __UM_THREAD_INFO_H

#ifndef __ASSEMBLY__

#include <asm/types.h>
#include <asm/page.h>
#include <asm/segment.h>
#include <sysdep/ptrace_user.h>

struct thread_info {
	struct task_struct	*task;		/* main task structure */
	unsigned long		flags;		/* low level flags */
	__u32			cpu;		/* current CPU */
	int			preempt_count;  /* 0 => preemptable,
						   <0 => BUG */
	mm_segment_t		addr_limit;	/* thread address space:
					 	   0-0xBFFFFFFF for user
						   0-0xFFFFFFFF for kernel */
	struct thread_info	*real_thread;    /* Points to non-IRQ stack */
	unsigned long aux_fp_regs[FP_SIZE];	/* auxiliary fp_regs to save/restore
						   them out-of-band */
};

#define INIT_THREAD_INFO(tsk)			\
{						\
	.task =		&tsk,			\
	.flags =		0,		\
	.cpu =		0,			\
	.preempt_count = INIT_PREEMPT_COUNT,	\
	.addr_limit =	KERNEL_DS,		\
	.real_thread = NULL,			\
}

#define init_thread_info	(init_thread_union.thread_info)
#define init_stack		(init_thread_union.stack)

#define THREAD_SIZE ((1 << CONFIG_KERNEL_STACK_ORDER) * PAGE_SIZE)
/* how to get the thread information struct from C */
static inline struct thread_info *current_thread_info(void)
{
	struct thread_info *ti;
	unsigned long mask = THREAD_SIZE - 1;
	void *p;

	asm volatile ("" : "=r" (p) : "0" (&ti));
	ti = (struct thread_info *) (((unsigned long)p) & ~mask);
	return ti;
}

#define THREAD_SIZE_ORDER CONFIG_KERNEL_STACK_ORDER

#endif

#define TIF_SYSCALL_TRACE	0	/* syscall trace active */
#define TIF_SIGPENDING		1	/* signal pending */
#define TIF_NEED_RESCHED	2	/* rescheduling necessary */
#define TIF_RESTART_BLOCK	4
#define TIF_MEMDIE		5	/* is terminating due to OOM killer */
#define TIF_SYSCALL_AUDIT	6
#define TIF_RESTORE_SIGMASK	7
#define TIF_NOTIFY_RESUME	8
#define TIF_SECCOMP		9	/* secure computing */

#define _TIF_SYSCALL_TRACE	(1 << TIF_SYSCALL_TRACE)
#define _TIF_SIGPENDING		(1 << TIF_SIGPENDING)
#define _TIF_NEED_RESCHED	(1 << TIF_NEED_RESCHED)
#define _TIF_MEMDIE		(1 << TIF_MEMDIE)
#define _TIF_SYSCALL_AUDIT	(1 << TIF_SYSCALL_AUDIT)
#define _TIF_SECCOMP		(1 << TIF_SECCOMP)

#endif

Filemanager

Name Type Size Permission Actions
Kbuild File 702 B 0644
a.out-core.h File 695 B 0644
bugs.h File 111 B 0644
cache.h File 483 B 0644
common.lds.S File 1.76 KB 0644
dma.h File 180 B 0644
fixmap.h File 1.63 KB 0644
hardirq.h File 558 B 0644
io.h File 339 B 0644
irq.h File 493 B 0644
irqflags.h File 865 B 0644
kmap_types.h File 219 B 0644
kvm_para.h File 34 B 0644
mmu.h File 558 B 0644
mmu_context.h File 1.87 KB 0644
page.h File 3.15 KB 0644
pgalloc.h File 1.46 KB 0644
pgtable-2level.h File 1.32 KB 0644
pgtable-3level.h File 2.88 KB 0644
pgtable.h File 9.88 KB 0644
processor-generic.h File 1.87 KB 0644
ptrace-generic.h File 1.13 KB 0644
sections.h File 219 B 0644
setup.h File 273 B 0644
smp.h File 121 B 0644
stacktrace.h File 1.06 KB 0644
syscall-generic.h File 2.67 KB 0644
sysrq.h File 182 B 0644
thread_info.h File 2.15 KB 0644
timex.h File 151 B 0644
tlb.h File 4.23 KB 0644
tlbflush.h File 978 B 0644
uaccess.h File 1.65 KB 0644
unwind.h File 213 B 0644