添加rtthread相关代码

riscv/rtthread/components/utilities/resource/rid_bitmap.h

@@ -0,0 +1,34 @@
+/*
+ * Copyright (c) 2006-2023, RT-Thread Development Team
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Change Logs:
+ * Date           Author       Notes
+ * 2023-12-07     Shell        First version
+ */
+
+#ifndef  __RID_BITMAP_H__
+#define  __RID_BITMAP_H__
+
+#include <rthw.h>
+#include <rtthread.h>
+#include <bitmap.h>
+
+#define RESOURCE_ID_INIT {0}
+
+typedef struct rid_bitmap
+{
+    struct rt_mutex *id_lock;
+    long min_id;
+    long total_id_count;
+    rt_bitmap_t *bitset;
+} *rid_bitmap_t;
+
+void rid_bitmap_init(rid_bitmap_t mgr, int min_id, int total_id_count,
+                     rt_bitmap_t *set, struct rt_mutex *id_lock);
+long rid_bitmap_get(rid_bitmap_t mgr);
+long rid_bitmap_get_named(rid_bitmap_t mgr, long no);
+void rid_bitmap_put(rid_bitmap_t mgr, long no);
+
+#endif  /* __RID_BITMAP_H__ */