1 files changed, 108 insertions, 0 deletions
diff --git a/src/app_finalizer.c b/src/app_finalizer.c
new file mode 100755
index 0000000..ae0b41c
--- /dev/null
+++ b/src/app_finalizer.c
@@ -0,0 +1,108 @@
+/*
+ * Copyright (c) 2011 Samsung Electronics Co., Ltd All Rights Reserved
+ *
+ * Licensed under the Apache License, Version 2.0 (the License);
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an AS IS BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License. 
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <libintl.h>
+
+#include <app_private.h>
+
+typedef struct _app_finalizer_s_ {
+	app_finalizer_cb callback;
+	void *data;
+	struct _app_finalizer_s_ *next;
+} app_finalizer_s;
+
+typedef app_finalizer_s *app_finalizer_h;
+
+static app_finalizer_s finalizer_head = {
+	.callback = NULL,
+	.data = NULL,
+	.next = NULL
+};
+
+int app_finalizer_add(app_finalizer_cb callback, void *data)
+{
+	app_finalizer_h finalizer_tail = &finalizer_head;
+	app_finalizer_h finalizer_new;
+
+	finalizer_new = malloc(sizeof(app_finalizer_s));
+
+	if (finalizer_new == NULL)
+	{
+		return app_error(APP_ERROR_OUT_OF_MEMORY, __FUNCTION__, NULL);
+	}
+
+	finalizer_new->callback = callback;
+	finalizer_new->data = data;
+	finalizer_new->next = NULL;
+
+	while (finalizer_tail->next)
+	{
+		finalizer_tail = finalizer_tail->next;
+	}
+	
+	finalizer_tail->next = finalizer_new;
+
+	return APP_ERROR_NONE;
+}
+
+int app_finalizer_remove(app_finalizer_cb callback)
+{
+	app_finalizer_h finalizer_node = &finalizer_head;
+
+	while (finalizer_node->next)
+	{
+		if (finalizer_node->next->callback == callback)
+		{
+			app_finalizer_h removed_node = finalizer_node->next;
+			finalizer_node->next = removed_node->next;
+			free(removed_node);
+			return APP_ERROR_NONE;
+		}
+
+		finalizer_node = finalizer_node->next;
+	}	
+
+	return APP_ERROR_INVALID_PARAMETER;
+}
+
+void app_finalizer_execute(void)
+{
+	app_finalizer_h finalizer_node = &finalizer_head;
+	app_finalizer_h finalizer_executed;
+	app_finalizer_cb finalizer_cb = NULL;
+
+	if(finalizer_node)
+		finalizer_node = finalizer_node->next;
+
+	while (finalizer_node)
+	{
+		finalizer_cb = finalizer_node->callback;
+
+		finalizer_cb(finalizer_node->data);
+
+		finalizer_executed = finalizer_node;
+
+		finalizer_node = finalizer_node->next;
+
+		free(finalizer_executed);
+	}
+
+	finalizer_head.next = NULL;
+}
+