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 *);
24
25extern struct proc_dir_entry *proc_create_data(const char *, umode_t,
26 struct proc_dir_entry *,
27 const struct file_operations *,
28 void *);
29
30static inline struct proc_dir_entry *proc_create(
31 const char *name, umode_t mode, struct proc_dir_entry *parent,
32 const struct file_operations *proc_fops)
33{
34 return proc_create_data(name, mode, parent, proc_fops, NULL);
35}
36
37extern void proc_set_size(struct proc_dir_entry *, loff_t);
38extern void proc_set_user(struct proc_dir_entry *, kuid_t, kgid_t);
39extern void *PDE_DATA(const struct inode *);
40extern void *proc_get_parent_data(const struct inode *);
41extern void proc_remove(struct proc_dir_entry *);
42extern void remove_proc_entry(const char *, struct proc_dir_entry *);
43extern int remove_proc_subtree(const char *, struct proc_dir_entry *);
44
45#else /* CONFIG_PROC_FS */
46
47static inline void proc_flush_task(struct task_struct *task)
48{
49}
50
51static inline struct proc_dir_entry *proc_symlink(const char *name,
52 struct proc_dir_entry *parent,const char *dest) { return NULL;}
53static inline struct proc_dir_entry *proc_mkdir(const char *name,
54 struct proc_dir_entry *parent) {return NULL;}
55static inline struct proc_dir_entry *proc_mkdir_data(const char *name,
56 umode_t mode, struct proc_dir_entry *parent, void *data) { return NULL; }
57static inline struct proc_dir_entry *proc_mkdir_mode(const char *name,
58 umode_t mode, struct proc_dir_entry *parent) { return NULL; }
59#define proc_create(name, mode, parent, proc_fops) ({NULL;})
60#define proc_create_data(name, mode, parent, proc_fops, data) ({NULL;})
61
62static inline void proc_set_size(struct proc_dir_entry *de, loff_t size) {}
63static inline void proc_set_user(struct proc_dir_entry *de, kuid_t uid, kgid_t gid) {}
64static inline void *PDE_DATA(const struct inode *inode) {BUG(); return NULL;}
65static inline void *proc_get_parent_data(const struct inode *inode) { BUG(); return NULL; }
66
67static inline void proc_remove(struct proc_dir_entry *de) {}
68#define remove_proc_entry(name, parent) do {} while (0)
69static inline int remove_proc_subtree(const char *name, struct proc_dir_entry *parent) { return 0; }
70
71#endif /* CONFIG_PROC_FS */
72
73static inline struct proc_dir_entry *proc_net_mkdir(
74 struct net *net, const char *name, struct proc_dir_entry *parent)
75{
76 return proc_mkdir_data(name, 0, parent, net);
77}
78
79#endif /* _LINUX_PROC_FS_H */