Linux kernel mirror (for testing)
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linux
1/*
2 * The proc filesystem constants/structures
3 */
4#ifndef _LINUX_PROC_FS_H
5#define _LINUX_PROC_FS_H
6
7#include <linux/types.h>
8#include <linux/fs.h>
9
10struct proc_dir_entry;
11
12#ifdef CONFIG_PROC_FS
13
14extern void proc_root_init(void);
15extern void proc_flush_task(struct task_struct *);
16
17extern struct proc_dir_entry *proc_symlink(const char *,
18 struct proc_dir_entry *, const char *);
19extern struct proc_dir_entry *proc_mkdir(const char *, struct proc_dir_entry *);
20extern struct proc_dir_entry *proc_mkdir_data(const char *, umode_t,
21 struct proc_dir_entry *, void *);
22extern struct proc_dir_entry *proc_mkdir_mode(const char *, umode_t,
23 struct proc_dir_entry *);
24struct proc_dir_entry *proc_create_mount_point(const char *name);
25
26extern struct proc_dir_entry *proc_create_data(const char *, umode_t,
27 struct proc_dir_entry *,
28 const struct file_operations *,
29 void *);
30
31static inline struct proc_dir_entry *proc_create(
32 const char *name, umode_t mode, struct proc_dir_entry *parent,
33 const struct file_operations *proc_fops)
34{
35 return proc_create_data(name, mode, parent, proc_fops, NULL);
36}
37
38extern void proc_set_size(struct proc_dir_entry *, loff_t);
39extern void proc_set_user(struct proc_dir_entry *, kuid_t, kgid_t);
40extern void *PDE_DATA(const struct inode *);
41extern void *proc_get_parent_data(const struct inode *);
42extern void proc_remove(struct proc_dir_entry *);
43extern void remove_proc_entry(const char *, struct proc_dir_entry *);
44extern int remove_proc_subtree(const char *, struct proc_dir_entry *);
45
46#else /* CONFIG_PROC_FS */
47
48static inline void proc_root_init(void)
49{
50}
51
52static inline void proc_flush_task(struct task_struct *task)
53{
54}
55
56static inline struct proc_dir_entry *proc_symlink(const char *name,
57 struct proc_dir_entry *parent,const char *dest) { return NULL;}
58static inline struct proc_dir_entry *proc_mkdir(const char *name,
59 struct proc_dir_entry *parent) {return NULL;}
60static inline struct proc_dir_entry *proc_create_mount_point(const char *name) { return NULL; }
61static inline struct proc_dir_entry *proc_mkdir_data(const char *name,
62 umode_t mode, struct proc_dir_entry *parent, void *data) { return NULL; }
63static inline struct proc_dir_entry *proc_mkdir_mode(const char *name,
64 umode_t mode, struct proc_dir_entry *parent) { return NULL; }
65#define proc_create(name, mode, parent, proc_fops) ({NULL;})
66#define proc_create_data(name, mode, parent, proc_fops, data) ({NULL;})
67
68static inline void proc_set_size(struct proc_dir_entry *de, loff_t size) {}
69static inline void proc_set_user(struct proc_dir_entry *de, kuid_t uid, kgid_t gid) {}
70static inline void *PDE_DATA(const struct inode *inode) {BUG(); return NULL;}
71static inline void *proc_get_parent_data(const struct inode *inode) { BUG(); return NULL; }
72
73static inline void proc_remove(struct proc_dir_entry *de) {}
74#define remove_proc_entry(name, parent) do {} while (0)
75static inline int remove_proc_subtree(const char *name, struct proc_dir_entry *parent) { return 0; }
76
77#endif /* CONFIG_PROC_FS */
78
79struct net;
80
81static inline struct proc_dir_entry *proc_net_mkdir(
82 struct net *net, const char *name, struct proc_dir_entry *parent)
83{
84 return proc_mkdir_data(name, 0, parent, net);
85}
86
87struct ns_common;
88int open_related_ns(struct ns_common *ns,
89 struct ns_common *(*get_ns)(struct ns_common *ns));
90
91#endif /* _LINUX_PROC_FS_H */