From c51ef797a707f4e2c6f9688d4378f2b0e9898a66 Mon Sep 17 00:00:00 2001
From: Perberos <perberos@gmail.com>
Date: Thu, 1 Dec 2011 22:56:10 -0300
Subject: moving from https://github.com/perberos/mate-desktop-environment

---
 mate-panel/libpanel-util/panel-cleanup.c | 110 +++++++++++++++++++++++++++++++
 1 file changed, 110 insertions(+)
 create mode 100644 mate-panel/libpanel-util/panel-cleanup.c

(limited to 'mate-panel/libpanel-util/panel-cleanup.c')

diff --git a/mate-panel/libpanel-util/panel-cleanup.c b/mate-panel/libpanel-util/panel-cleanup.c
new file mode 100644
index 00000000..90b089da
--- /dev/null
+++ b/mate-panel/libpanel-util/panel-cleanup.c
@@ -0,0 +1,110 @@
+/*
+ * panel-cleanup.c: utility to clean up things on exit
+ *
+ * Copyright (C) 2008 Novell, Inc.
+ *
+ * This program 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., 59 Temple Place - Suite 330, Boston, MA
+ * 02111-1307, USA.
+ *
+ * Authors:
+ *	Vincent Untz <vuntz@gnome.org>
+ */
+
+#include <glib.h>
+#include <glib-object.h>
+
+#include "panel-cleanup.h"
+
+typedef struct {
+	PanelCleanFunc func;
+	gpointer       data;
+} PanelClean;
+
+static GSList *cleaner;
+
+void
+panel_cleanup_do (void)
+{
+	GSList *l;
+
+	if (!cleaner)
+		return;
+
+	for (l = cleaner; l; l = l->next) {
+		PanelClean *clean;
+
+		clean = l->data;
+		clean->func (clean->data);
+		g_slice_free (PanelClean, clean);
+	}
+
+	g_slist_free (cleaner);
+	cleaner = NULL;
+}
+
+void
+panel_cleanup_register (PanelCleanFunc func,
+			gpointer       data)
+{
+	PanelClean *clean;
+
+	g_return_if_fail (func != NULL);
+
+	clean = g_slice_new (PanelClean);
+	clean->func = func;
+	clean->data = data;
+
+	cleaner = g_slist_prepend (cleaner, clean);
+}
+
+void
+panel_cleanup_unregister (PanelCleanFunc func,
+			  gpointer       data)
+{
+	GSList *l, *next;
+	PanelClean *clean;
+
+	g_return_if_fail (func != NULL);
+
+	if (!cleaner)
+		return;
+
+	l = cleaner;
+
+	do {
+		next = l->next;
+
+		clean = l->data;
+		if (clean->func == func && clean->data == data) {
+			g_slice_free (PanelClean, clean);
+			cleaner = g_slist_delete_link (cleaner, l);
+		}
+
+		l = next;
+	} while (l);
+}
+
+void
+panel_cleanup_unref_and_nullify (gpointer data)
+{
+	GObject **obj;
+
+	g_return_if_fail (data != NULL);
+
+	obj = data;
+
+	g_object_unref (*obj);
+	*obj = NULL;
+}
-- 
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