first commit for chrg

2025-08-16 22:58:22 +08:00
commit 52a3ed5862
2306 changed files with 1021208 additions and 0 deletions
@@ -0,0 +1,75 @@
+/*
+ * 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