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/*
* Copyright (c) 2006-2023, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
*/
#ifndef __PROC_H__
#define __PROC_H__
#include <dfs_file.h>
#include <dfs_seq_file.h>
#include <dfs_vfs.h>
#ifdef __cplusplus
extern "C"
{
#endif
struct proc_dentry;
struct proc_ops
{
struct proc_dentry *(*lookup)(struct proc_dentry *parent, const char *name);
int (*readlink)(struct proc_dentry *dentry, char *buf, int len);
};
struct proc_dentry
{
rt_uint32_t mode;
rt_atomic_t ref_count;
struct proc_dentry *parent;
struct dfs_vfs_node node;
const struct dfs_file_ops *fops;
const struct proc_ops *ops;
const struct dfs_seq_ops *seq_ops;
int (*single_show)(struct dfs_seq_file *seq, void *data);
int pid;
char *name;
void *data;
};
struct proc_dentry *dfs_proc_find(const char *name);
struct proc_dentry *proc_mkdir_data(const char *name, mode_t mode, struct proc_dentry *parent,
const struct dfs_file_ops *fops, void *data);
struct proc_dentry *proc_mkdir_mode(const char *name, mode_t mode, struct proc_dentry *parent);
struct proc_dentry *proc_mkdir(const char *name, struct proc_dentry *parent);
struct proc_dentry *proc_create_data(const char *name, mode_t mode, struct proc_dentry *parent,
const struct dfs_file_ops *fops, void *data);
struct proc_dentry *proc_create_single_data(const char *name, mode_t mode, struct proc_dentry *parent,
int (*show)(struct dfs_seq_file *, void *), void *data);
struct proc_dentry *proc_symlink(const char *name, struct proc_dentry *parent, const char *dest);
struct proc_dentry *proc_acquire(struct proc_dentry *dentry);
void proc_release(struct proc_dentry *dentry);
void proc_remove(struct proc_dentry *dentry);
void proc_remove_dentry(const char *name, struct proc_dentry *parent);
int proc_pid(int pid);
#ifdef __cplusplus
}
#endif
#endif
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