From dd7595a3475407a7fa96a97393bae8c5220e8762 Mon Sep 17 00:00:00 2001
From: David Walter Seikel
Date: Wed, 4 Jan 2012 18:41:13 +1000
Subject: Add the base Enlightenment Foundation Libraries - eina, eet, evas,
 ecore, embryo, and edje.

Note that embryo wont be used, but I'm not sure yet if you can build edje without it.
---
 libraries/eina/src/include/eina_refcount.h | 76 ++++++++++++++++++++++++++++++
 1 file changed, 76 insertions(+)
 create mode 100644 libraries/eina/src/include/eina_refcount.h

(limited to 'libraries/eina/src/include/eina_refcount.h')

diff --git a/libraries/eina/src/include/eina_refcount.h b/libraries/eina/src/include/eina_refcount.h
new file mode 100644
index 0000000..6650b01
--- /dev/null
+++ b/libraries/eina/src/include/eina_refcount.h
@@ -0,0 +1,76 @@
+/* EINA - EFL data type library
+ * Copyright (C) 20011 Cedric Bail
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library;
+ * if not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef EINA_REFCOUNT_H_
+#define EINA_REFCOUNT_H_
+
+/**
+ * @addtogroup Eina_Refcount References counting
+ *
+ * @brief Small macro that simplify references counting.
+ *
+ * References counting is not a difficult task, but you must
+ * handle it correctly every where, and that the issue. This
+ * set of macro do provide helper that will force to use the
+ * correct code in most case and reduce the bug likeliness.
+ * Of course this without affecting speed !
+ */
+
+/**
+ * @addtogroup Eina_Data_Types_Group Data Types
+ *
+ * @{
+ */
+
+/**
+ * @defgroup Eina_Refcount References counting
+ *
+ * @{
+ */
+
+/**
+ * @typedef Eina_Refcount
+ * Inlined references counting type.
+ */
+typedef int Eina_Refcount;
+
+/** Used for declaring a reference counting member in a struct */
+#define EINA_REFCOUNT Eina_Refcount __refcount
+
+/** Used just after allocating a object */
+#define EINA_REFCOUNT_INIT(Variable) (Variable)->__refcount = 1
+
+/** Used when using referring to an object one more time */
+#define EINA_REFCOUNT_REF(Variable) (Variable)->__refcount++
+
+/** Used when removing a reference to an object. The code just after will automatically be called when necessary */
+#define EINA_REFCOUNT_UNREF(Variable)		     \
+  if (--((Variable)->__refcount) == 0)
+
+/** Get refcounting value */
+#define EINA_REFCOUNT_GET(Variable) (Variable)->__refcount
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+#endif /* EINA_REFCOUNT_H_ */
-- 
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