From ecf2d8215961ca7c539132b62a72df6072cc3e14 Mon Sep 17 00:00:00 2001
From: guo <guozhanxin@rt-thread.com>
Date: Sat, 3 Dec 2022 12:07:44 +0800
Subject: sync branch rt-smart. (#6641)

* Synchronize the code of the rt mart branch to the master branch.
  * TTY device
  * Add lwP code from rt-smart
  * Add vnode in DFS, but DFS will be re-write for rt-smart
  * There are three libcpu for rt-smart:
    * arm/cortex-a, arm/aarch64
    * riscv64

Co-authored-by: Rbb666 <zhangbingru@rt-thread.com>
Co-authored-by: zhkag <zhkag@foxmail.com>
---
 src/object.c | 78 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 78 insertions(+)

(limited to 'src/object.c')

diff --git a/src/object.c b/src/object.c
index cb177edbe6..606e4c00ff 100644
--- a/src/object.c
+++ b/src/object.c
@@ -23,6 +23,17 @@
 #include <dlmodule.h>
 #endif /* RT_USING_MODULE */
 
+#ifdef RT_USING_LWP
+#include <lwp.h>
+#endif
+
+struct rt_custom_object
+{
+    struct rt_object parent;
+    rt_err_t (*destroy)(void *);
+    void *data;
+};
+
 /*
  * define object_info for the number of _object_container items.
  */
@@ -59,6 +70,12 @@ enum rt_object_info_type
 #endif
 #ifdef RT_USING_HEAP
     RT_Object_Info_Memory,                            /**< The object is a memory. */
+#endif
+#ifdef RT_USING_LWP
+    RT_Object_Info_Channel,                            /**< The object is a IPC channel */
+#endif
+#ifdef RT_USING_HEAP
+    RT_Object_Info_Custom,                             /**< The object is a custom object */
 #endif
     RT_Object_Info_Unknown,                            /**< The object is unknown. */
 };
@@ -112,6 +129,11 @@ static struct rt_object_information _object_container[RT_Object_Info_Unknown] =
     /* initialize object container - small memory */
     {RT_Object_Class_Memory, _OBJ_CONTAINER_LIST_INIT(RT_Object_Info_Memory), sizeof(struct rt_memory)},
 #endif
+#ifdef RT_USING_LWP
+    /* initialize object container - module */
+    {RT_Object_Class_Channel, _OBJ_CONTAINER_LIST_INIT(RT_Object_Info_Channel), sizeof(struct rt_channel)},
+    {RT_Object_Class_Custom, _OBJ_CONTAINER_LIST_INIT(RT_Object_Info_Custom), sizeof(struct rt_custom_object)},
+#endif
 };
 
 #ifndef __on_rt_object_attach_hook
@@ -607,4 +629,60 @@ rt_object_t rt_object_find(const char *name, rt_uint8_t type)
     return RT_NULL;
 }
 
+#ifdef RT_USING_HEAP
+/**
+ * This function will create a custom object
+ * container.
+ *
+ * @param name the specified name of object.
+ * @param type the type of object
+ * @param data the custom data
+ * @param data_destroy the custom object destroy callback
+ *
+ * @return the found object or RT_NULL if there is no this object
+ * in object container.
+ *
+ * @note this function shall not be invoked in interrupt status.
+ */
+
+rt_object_t rt_custom_object_create(const char *name, void *data, rt_err_t (*data_destroy)(void *))
+{
+    struct rt_custom_object *cobj = RT_NULL;
+
+    cobj = (struct rt_custom_object *)rt_object_allocate(RT_Object_Class_Custom, name);
+    if (!cobj)
+    {
+        return RT_NULL;
+    }
+    cobj->destroy = data_destroy;
+    cobj->data = data;
+    return (struct rt_object *)cobj;
+}
+
+/**
+ * This function will destroy a custom object
+ * container.
+ *
+ * @param obj the specified name of object.
+ *
+ * @note this function shall not be invoked in interrupt status.
+ */
+rt_err_t rt_custom_object_destroy(rt_object_t obj)
+{
+    rt_err_t ret = -1;
+
+    struct rt_custom_object *cobj = (struct rt_custom_object *)obj;
+
+    if (obj && obj->type == RT_Object_Class_Custom)
+    {
+        if (cobj->destroy)
+        {
+            ret = cobj->destroy(cobj->data);
+        }
+        rt_object_delete(obj);
+    }
+    return ret;
+}
+#endif
+
 /**@}*/
-- 
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