init_task.c

来自「Linux内核源代码 为压缩文件 是<<Linux内核>&gt」· C语言 代码 · 共 32 行

/*
 * This is where we statically allocate and initialize the initial
 * task.
 *
 * Copyright (C) 1999 Hewlett-Packard Co
 * Copyright (C) 1999 David Mosberger-Tang <[e-mail]>
 */

#include <linux/init.h>
#include <linux/mm.h>
#include <linux/sched.h>

#include <asm/uaccess.h>
#include <asm/pgtable.h>

static struct vm_area_struct init_mmap = INIT_MMAP;
static struct fs_struct init_fs = INIT_FS;
static struct files_struct init_files = INIT_FILES;
static struct signal_struct init_signals = INIT_SIGNALS;
struct mm_struct init_mm = INIT_MM(init_mm);

/*
 * Initial task structure.
 *
 * We need to make sure that this is page aligned due to the way
 * process stacks are handled. This is done by having a special
 * "init_task" linker map entry..
 */
union task_union init_task_union
	__attribute__((section("init_task"))) =
		{ INIT_TASK(init_task_union.task) };