Move data structures to new directory struct/

[bertos.git] / bertos / struct / pool.h

diff --git a/bertos/struct/pool.h b/bertos/struct/pool.h
new file mode 100644 (file)
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+++ b/bertos/struct/pool.h
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+/**
+ * \file
+ * <!--
+ * This file is part of BeRTOS.
+ *
+ * Bertos is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ *
+ * As a special exception, you may use this file as part of a free software
+ * library without restriction.  Specifically, if other files instantiate
+ * templates or use macros or inline functions from this file, or you compile
+ * this file and link it with other files to produce an executable, this
+ * file does not by itself cause the resulting executable to be covered by
+ * the GNU General Public License.  This exception does not however
+ * invalidate any other reasons why the executable file might be covered by
+ * the GNU General Public License.
+ *
+ * Copyright 2004, 2008 Develer S.r.l. (http://www.develer.com/)
+ * -->
+ *
+ * \brief Pool macros.
+ *
+ * \version $Id: pool.h 1294 2008-05-20 13:43:57Z asterix $
+ * \author Giovanni Bajo <rasky@develer.com>
+ */
+
+#ifndef MWARE_POOL_H
+#define MWARE_POOL_H
+
+#include <cfg/macros.h>
+#include <struct/list.h>
+
+#define EXTERN_POOL(name) \
+       extern List name
+
+#define DECLARE_POOL_WITH_STORAGE(name, type, num, storage) \
+       static type name##_items[num]; \
+       storage name; \
+       INLINE void name##_init(void (*init_func)(type*)) \
+       { \
+               int i; \
+               LIST_INIT(&name); \
+               for (i=0;i<countof(name##_items);++i) \
+               { \
+                       if (init_func) init_func(&name##_items[i]); \
+                       ADDTAIL(&name, (Node*)&name##_items[i]); \
+               } \
+       } \
+       INLINE void name##_init(void (*init_func)(type*)) \
+       /**/
+
+#define DECLARE_POOL(name, type, num) \
+       DECLARE_POOL_WITH_STORAGE(name, type, num, List)
+
+#define DECLARE_POOL_STATIC(name, type, num) \
+       DECLARE_POOL_WITH_STORAGE(name, type, num, static List)
+
+#define pool_init(name, init_func)     (*(name##_init))(init_func)
+#define pool_alloc(name)               REMHEAD(name)
+#define pool_free(name, elem)          ADDHEAD(name, (Node*)elem)
+#define pool_empty(name)               ISLISTEMPTY(name)
+
+#endif /* MWARE_POOL_H */