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/* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 8; tab-width: 8 -*- */
/* egg-cleanup.c - for data cleanup at end of program
Copyright (C) 2007 Stefan Walter
The Gnome Keyring Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public License as
published by the Free Software Foundation; either version 2 of the
License, or (at your option) any later version.
The Gnome Keyring 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with the Gnome Library; see the file COPYING.LIB. If not,
<http://www.gnu.org/licenses/>.
Author: Stef Walter <stef@memberwebs.com>
*/
#include "egg-cleanup.h"
typedef struct _EggCleanup {
GDestroyNotify notify;
gpointer user_data;
} EggCleanup;
static GSList *registered_cleanups = NULL;
void
egg_cleanup_register (GDestroyNotify notify, gpointer user_data)
{
EggCleanup *cleanup = g_new0 (EggCleanup, 1);
g_assert (notify);
cleanup->notify = notify;
cleanup->user_data = user_data;
/* Note we're reversing the order, so calls happen that way */
registered_cleanups = g_slist_prepend (registered_cleanups, cleanup);
}
void
egg_cleanup_unregister (GDestroyNotify notify, gpointer user_data)
{
EggCleanup *cleanup;
GSList *l;
for (l = registered_cleanups; l; l = g_slist_next (l)) {
cleanup = (EggCleanup*)l->data;
if (cleanup->notify == notify && cleanup->user_data == user_data) {
registered_cleanups = g_slist_remove (registered_cleanups, cleanup);
g_free (cleanup);
break;
}
}
}
void
egg_cleanup_perform (void)
{
GSList *cleanups, *l;
EggCleanup *cleanup;
while (registered_cleanups) {
/*
* While performing cleanups, more cleanups may be registered.
* So swap out the list, and keep going until empty.
*/
cleanups = registered_cleanups;
registered_cleanups = NULL;
for (l = cleanups; l; l = g_slist_next (l)) {
cleanup = (EggCleanup*)l->data;
g_assert (cleanup->notify);
(cleanup->notify) (cleanup->user_data);
g_free (cleanup);
}
g_slist_free (cleanups);
}
}
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