Imported Upstream version 1.2.24upstream/1.2.24

1 files changed, 80 insertions, 0 deletions

diff --git a/bus/expirelist.h b/bus/expirelist.h
new file mode 100644
index 00000000..887cb97b
--- /dev/null
+++ b/bus/expirelist.h
@@ -0,0 +1,80 @@
+/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */
+/* expirelist.h  List of stuff that expires
+ *
+ * Copyright (C) 2003  Red Hat, Inc.
+ *
+ * Licensed under the Academic Free License version 2.1
+ *
+ * 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., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ *
+ */
+
+#ifndef BUS_EXPIRE_LIST_H
+#define BUS_EXPIRE_LIST_H
+
+#include <dbus/dbus.h>
+#include <dbus/dbus-list.h>
+#include <dbus/dbus-mainloop.h>
+
+typedef struct BusExpireList BusExpireList;
+typedef struct BusExpireItem BusExpireItem;
+
+typedef dbus_bool_t (* BusExpireFunc) (BusExpireList *list,
+                                       DBusList      *link,
+                                       void          *data);
+
+
+/* embed this in a child expire item struct */
+struct BusExpireItem
+{
+  long added_tv_sec;  /**< Time we were added (seconds component) */
+  long added_tv_usec; /**< Time we were added (microsec component) */
+};
+
+BusExpireList* bus_expire_list_new                 (DBusLoop      *loop,
+                                                    int            expire_after,
+                                                    BusExpireFunc  expire_func,
+                                                    void          *data);
+void           bus_expire_list_free                (BusExpireList *list);
+void           bus_expire_list_recheck_immediately (BusExpireList *list);
+void           bus_expire_list_remove_link         (BusExpireList *list,
+                                                    DBusList      *link);
+dbus_bool_t    bus_expire_list_remove              (BusExpireList *list,
+                                                    BusExpireItem *item);
+DBusList*      bus_expire_list_get_first_link      (BusExpireList *list);
+DBusList*      bus_expire_list_get_next_link       (BusExpireList *list,
+                                                    DBusList      *link);
+dbus_bool_t    bus_expire_list_add                 (BusExpireList *list,
+                                                    BusExpireItem *item);
+void           bus_expire_list_add_link            (BusExpireList *list,
+                                                    DBusList      *link);
+dbus_bool_t    bus_expire_list_contains_item       (BusExpireList *list,
+                                                    BusExpireItem *item);
+void           bus_expire_list_unlink              (BusExpireList *list,
+                                                    DBusList      *link);
+
+/* this macro and function are semi-related utility functions, not really part of the
+ * BusExpireList API
+ */
+
+#define ELAPSED_MILLISECONDS_SINCE(orig_tv_sec, orig_tv_usec,   \
+                                   now_tv_sec, now_tv_usec)     \
+ (((double) (now_tv_sec) - (double) (orig_tv_sec)) * 1000.0 +   \
+ ((double) (now_tv_usec) - (double) (orig_tv_usec)) / 1000.0)
+
+void bus_expire_timeout_set_interval (DBusTimeout   *timeout,
+                                      int            next_interval);
+
+#endif /* BUS_EXPIRE_LIST_H */