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 +1,66 @@
+/*
+ * Copyright (c) 2006-2023, RT-Thread Development Team
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Change Logs:
+ * Date           Author       Notes
+ */
+
+#include "proc.h"
+#include "procfs.h"
+
+#include <rthw.h>
+#include <rtdbg.h>
+
+#include <fcntl.h>
+#include <errno.h>
+
+#include <dfs_dentry.h>
+
+#if defined(RT_USING_SMART)
+
+#include <lwp.h>
+
+
+int proc_self_readlink(struct proc_dentry *dentry, char *buf, int len)
+{
+    struct rt_lwp *lwp  = RT_NULL;
+
+    lwp = lwp_self();
+    if (lwp)
+    {
+        rt_snprintf(buf, len, "%d", lwp_to_pid(lwp));
+        buf[len - 1] = 0;
+        return rt_strlen(buf);
+    }
+    else
+    {
+        rt_snprintf(buf, len, "null");
+        buf[len - 1] = 0;
+        return rt_strlen(buf);
+    }
+
+    return -1;
+}
+
+static const struct proc_ops proc_pid_fd_ops = {
+    .readlink = proc_self_readlink,
+};
+
+int proc_self_init(void)
+{
+    struct proc_dentry *ent;
+
+    ent = proc_symlink("self", NULL, "NULL");
+    if (ent)
+    {
+        ent->ops = &proc_pid_fd_ops;
+    }
+    proc_release(ent);
+
+    return 0;
+}
+INIT_ENV_EXPORT(proc_self_init);
+
+#endif