GUnixMounts: Improve efficiency in polling case

https://bugzilla.gnome.org/show_bug.cgi?id=583330
This commit is contained in:
Patrick Welche 2014-08-26 17:27:23 +01:00 committed by Alexander Larsson
parent 35eaf037bd
commit 369c8bd566

View File

@ -1291,11 +1291,7 @@ g_unix_mount_monitor_finalize (GObject *object)
g_object_unref (monitor->mtab_monitor);
}
if (monitor->mount_poller_mounts != NULL)
{
g_list_foreach (monitor->mount_poller_mounts, (GFunc)g_unix_mount_free, NULL);
g_list_free (monitor->mount_poller_mounts);
}
g_list_free_full (monitor->mount_poller_mounts, (GDestroyNotify)g_unix_mount_free);
the_mount_monitor = NULL;
@ -1392,41 +1388,33 @@ static gboolean
mount_change_poller (gpointer user_data)
{
GUnixMountMonitor *mount_monitor;
GList *current_mounts;
GList *current_mounts, *new_it, *old_it;
gboolean has_changed = FALSE;
mount_monitor = user_data;
current_mounts = _g_get_unix_mounts ();
if (g_list_length (current_mounts) != g_list_length (mount_monitor->mount_poller_mounts))
for ( new_it = current_mounts, old_it = mount_monitor->mount_poller_mounts;
new_it != NULL && old_it != NULL;
new_it = g_list_next (new_it), old_it = g_list_next (old_it) )
{
g_list_foreach (mount_monitor->mount_poller_mounts, (GFunc)g_unix_mount_free, NULL);
has_changed = TRUE;
}
else
{
int i;
for (i = 0; i < g_list_length (current_mounts); i++)
if (g_unix_mount_compare (new_it->data, old_it->data) != 0)
{
GUnixMountEntry *m1;
GUnixMountEntry *m2;
m1 = (GUnixMountEntry *)g_list_nth_data (current_mounts, i);
m2 = (GUnixMountEntry *)g_list_nth_data (mount_monitor->mount_poller_mounts, i);
if (! has_changed && g_unix_mount_compare (m1, m2) != 0)
has_changed = TRUE;
g_unix_mount_free (m2);
has_changed = TRUE;
break;
}
}
if (!(new_it == NULL && old_it == NULL))
has_changed = TRUE;
g_list_free_full (mount_monitor->mount_poller_mounts,
(GDestroyNotify)g_unix_mount_free);
g_list_free (mount_monitor->mount_poller_mounts);
mount_monitor->mount_poller_mounts = current_mounts;
if (has_changed)
{
mount_poller_time = (guint64)time (NULL);
mount_poller_time = (guint64)g_get_monotonic_time ();
g_signal_emit (mount_monitor, signals[MOUNTS_CHANGED], 0);
}
@ -1491,7 +1479,7 @@ g_unix_mount_monitor_init (GUnixMountMonitor *monitor)
{
monitor->proc_mounts_watch_source = g_timeout_source_new_seconds (3);
monitor->mount_poller_mounts = _g_get_unix_mounts ();
mount_poller_time = (guint64)time (NULL);
mount_poller_time = (guint64)g_get_monotonic_time ();
g_source_set_callback (monitor->proc_mounts_watch_source,
(GSourceFunc)mount_change_poller,
monitor, NULL);