101 lines
1.8 KiB
C
101 lines
1.8 KiB
C
/*
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* Copyright (c) 2006-2023, RT-Thread Development Team
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*
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* SPDX-License-Identifier: Apache-2.0
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*
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* Change Logs:
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* Date Author Notes
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*/
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#include "proc.h"
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#include "procfs.h"
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#include <rthw.h>
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#include <rtdbg.h>
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#include <fcntl.h>
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#include <errno.h>
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#include <dfs_dentry.h>
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static void *seq_start(struct dfs_seq_file *seq, off_t *index)
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{
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off_t i = *index; // seq->index
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return NULL + (i == 0);
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}
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static void seq_stop(struct dfs_seq_file *seq, void *data)
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{
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}
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static void *seq_next(struct dfs_seq_file *seq, void *data, off_t *index)
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{
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/* data: The return value of the start or next*/
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off_t i = *index + 1; // seq->index
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*index = i;
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return NULL;
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}
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static int seq_show(struct dfs_seq_file *seq, void *data)
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{
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/* data: The return value of the start or next*/
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dfs_seq_puts(seq, "todo\n");
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return 0;
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}
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static const struct dfs_seq_ops seq_ops = {
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.start = seq_start,
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.stop = seq_stop,
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.next = seq_next,
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.show = seq_show,
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};
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void proc_tty_register_driver(void *driver)
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{
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//todo
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}
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void proc_tty_unregister_driver(void *driver)
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{
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//todo
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}
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int proc_tty_init(void)
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{
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struct proc_dentry *dentry;
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dentry = proc_mkdir("tty", NULL);
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if (!dentry)
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return -1;
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proc_release(dentry);
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dentry = proc_mkdir("tty/ldisc", NULL);
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proc_release(dentry);
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dentry = proc_mkdir_mode("tty/driver", S_IRUSR|S_IXUSR, NULL);
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proc_release(dentry);
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dentry = proc_create_data("tty/ldiscs", 0, NULL, NULL, NULL);
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if (dentry)
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{
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dentry->seq_ops = &seq_ops;
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}
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proc_release(dentry);
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dentry = proc_create_data("tty/drivers", 0, NULL, NULL, NULL);
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if (dentry)
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{
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dentry->seq_ops = &seq_ops;
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}
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proc_release(dentry);
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return 0;
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}
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INIT_ENV_EXPORT(proc_tty_init);
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