import RT-Thread@9217865c without bsp, libcpu and components/net

components/utilities/resource/resource_id.h

@@ -0,0 +1,31 @@
+/*
+ * Copyright (c) 2006-2021, RT-Thread Development Team
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Change Logs:
+ * Date           Author       Notes
+ * 2021-08-25     RT-Thread    First version
+ */
+
+#ifndef  RESOURCE_ID_H__
+#define  RESOURCE_ID_H__
+
+#include <rthw.h>
+#include <rtthread.h>
+
+#define RESOURCE_ID_INIT(size, pool)  {size, pool, 0, RT_NULL}
+
+typedef struct
+{
+    int size;
+    void **_res;
+    int noused;
+    void **_free;
+} resource_id_t;
+
+void resource_id_init(resource_id_t *mgr, int size, void **res);
+int resource_id_get(resource_id_t *mgr);
+void resource_id_put(resource_id_t *mgr, int no);
+
+#endif  /*RESOURCE_ID_H__*/