
  #   	ˆl–Ðz¾”*ClÊq@‚àCq§Å£Åƒ¬‡ÄÀÂ Ã    	/* Header describing `ar' archive file format.
   Copyright (C) 1996-2021 Free Software Foundation, Inc.
   This file is part of the GNU C Library.

   The GNU C Library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Lesser General Public
   License as published by the Free Software Foundation; either
   version 2.1 of the License, or (at your option) any later version.

   The GNU C Library is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   Lesser General Public License for more details.

   You should have received a copy of the GNU Lesser General Public
   License along with the GNU C Library; if not, see
   <https://www.gnu.org/licenses/>.  */

#ifndef _AR_H
#define _AR_H 1

#include <sys/cdefs.h>

/* Archive files start with the ARMAG identifying string.  Then follows a
   `struct ar_hdr', and as many bytes of member file data as its `ar_size'
   member indicates, for each member file.  */

#define ARMAG	"!<arch>\n"	/* String that begins an archive file.  */
#define SARMAG	8		/* Size of that string.  */

#define ARFMAG	"`\n"		/* String in ar_fmag at end of each header.  */

__BEGIN_DECLS

struct ar_hdr
  {
    char ar_name[16];		/* Member file name, sometimes / terminated. */
    char ar_date[12];		/* File date, decimal seconds since Epoch.  */
    char ar_uid[6], ar_gid[6];	/* User and group IDs, in ASCII decimal.  */
    char ar_mode[8];		/* File mode, in ASCII octal.  */
    char ar_size[10];		/* File size, in ASCII decimal.  */
    char ar_fmag[2];		/* Always contains ARFMAG.  */
  };

__END_DECLS

#endif /* ar.h */
     ˆÆÅ„¢?ÄÀÂ ?÷     /* SPDX-License-Identifier: GPL-2.0 */
#ifndef _LINUX_CGROUP_H
#define _LINUX_CGROUP_H
/*
 *  cgroup interface
 *
 *  Copyright (C) 2003 BULL SA
 *  Copyright (C) 2004-2006 Silicon Graphics, Inc.
 *
 */

#include <linux/sched.h>
#include <linux/nodemask.h>
#include <linux/rculist.h>
#include <linux/cgroupstats.h>
#include <linux/fs.h>
#include <linux/seq_file.h>
#include <linux/kernfs.h>
#include <linux/jump_label.h>
#include <linux/types.h>
#include <linux/ns_common.h>
#include <linux/nsproxy.h>
#include <linux/user_namespace.h>
#include <linux/refcount.h>
#include <linux/kernel_stat.h>

#include <linux/cgroup-defs.h>

struct kernel_clone_args;

/*
 * All weight knobs on the default hierarchy should use the following min,
 * default and max values.  The default value is the logarithmic center of
 * MIN and MAX and allows 100x to be expressed in both directions.
 */
#define CGROUP_WEIGHT_MIN		1
#define CGROUP_WEIGHT_DFL		100
#define CGROUP_WEIGHT_MAX		10000

#ifdef CONFIG_CGROUPS

enum {
	CSS_TASK_ITER_PROCS    = (1U << 0),  /* walk only threadgroup leaders */
	CSS_TASK_ITER_THREADED = (1U << 1),  /* walk all threaded css_sets in the domain */
	CSS_TASK_ITER_SKIPPED  = (1U << 16), /* internal flags */
};

/* a css_task_iter should be treated as an opaque object */
struct css_task_iter {
	struct cgroup_subsys		*ss;
	unsigned int			flags;

	struct list_head		*cset_pos;
	struct list_head		*cset_head;

	struct list_head		*tcset_pos;
	struct list_head		*tcset_head;

	struct list_head		*task_pos;

	struct list_head		*cur_tasks_head;
	struct css_set			*cur_cset;
	struct css_set			*cur_dcset;
	struct task_struct		*cur_task;
	struct list_head		iters_node;	/* css_set->task_iters */
};

extern struct file_system_type cgroup_fs_type;
extern struct cgroup_root cgrp_dfl_root;
extern struct css_set init_css_set;
extern spinlock_t css_set_lock;

#define SUBSYS(_x) extern struct cgroup_subsys _x ## _cgrp_subsys;
#include <linux/cgroup_subsys.h>
#undef SUBSYS

#define SUBSYS(_x)								\
	extern struct static_key_true _x ## _cgrp_subsys_enabled_key;		\
	extern struct static_key_true _x ## _cgrp_subsys_on_dfl_key;
#include <linux/cgroup_subsys.h>
#undef SUBSYS

/**
 * cgroup_subsys_enabled - fast test on whether a subsys is enabled
 * @ss: subsystem in questi