support aliyun sdk on TencentOS tiny

sample: examples\aliyun_iotkit_csdk_mqtt
project: board\TencentOS_tiny_EVB_MX_Plus\KEIL\aliyun_iotkit_csdk_mqtt

components/connectivity/iotkit-embedded-3.0.1/3rdparty/src/dev_model/dm_ipc.h

@@ -0,0 +1,38 @@
+/*
+ * Copyright (C) 2015-2018 Alibaba Group Holding Limited
+ */
+
+
+
+#ifndef _DM_IPC_H_
+#define _DM_IPC_H_
+
+#include "iotx_dm_internal.h"
+
+typedef struct {
+    iotx_dm_event_types_t type;
+    char *data;
+} dm_ipc_msg_t;
+
+typedef struct {
+    void *data;
+    struct list_head linked_list;
+} dm_ipc_msg_node_t;
+
+typedef struct {
+    int max_size;
+    int size;
+    struct list_head message_list;
+} dm_ipc_msg_list_t;
+
+typedef struct {
+    void *mutex;
+    dm_ipc_msg_list_t msg_list;
+} dm_ipc_t;
+
+int dm_ipc_init(int max_size);
+void dm_ipc_deinit(void);
+int dm_ipc_msg_insert(void *data);
+int dm_ipc_msg_next(void **data);
+
+#endif