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pkgsrc-ng/devel/glib2/patches/patch-gio_gunixmounts.c
Lionel Sambuc f641581404 Import of pkgsrc-2015Q2
2016-01-21 23:41:46 +01:00

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$NetBSD: patch-gio_gunixmounts.c,v 1.1 2015/06/10 23:00:05 prlw1 Exp $
Revert commit 548c165a Make GUnixMountMonitor per-context
https://bugzilla.gnome.org/show_bug.cgi?id=750708
--- gio/gunixmounts.c.orig 2015-03-13 20:48:21.000000000 +0000
+++ gio/gunixmounts.c
@@ -68,7 +68,6 @@
#include "gfilemonitor.h"
#include "glibintl.h"
#include "gthemedicon.h"
-#include "gcontextspecificgroup.h"
#ifdef HAVE_MNTENT_H
@@ -1275,50 +1274,124 @@ static guint signals[LAST_SIGNAL];
struct _GUnixMountMonitor {
GObject parent;
- GMainContext *context;
+ GFileMonitor *fstab_monitor;
+ GFileMonitor *mtab_monitor;
+
+ GList *mount_poller_mounts;
+
+ GSource *proc_mounts_watch_source;
};
struct _GUnixMountMonitorClass {
GObjectClass parent_class;
};
+static GUnixMountMonitor *the_mount_monitor = NULL;
G_DEFINE_TYPE (GUnixMountMonitor, g_unix_mount_monitor, G_TYPE_OBJECT);
-static GContextSpecificGroup mount_monitor_group;
-static GFileMonitor *fstab_monitor;
-static GFileMonitor *mtab_monitor;
-static GSource *proc_mounts_watch_source;
-static GList *mount_poller_mounts;
+static void
+g_unix_mount_monitor_finalize (GObject *object)
+{
+ GUnixMountMonitor *monitor;
+
+ monitor = G_UNIX_MOUNT_MONITOR (object);
+
+ if (monitor->fstab_monitor)
+ {
+ g_file_monitor_cancel (monitor->fstab_monitor);
+ g_object_unref (monitor->fstab_monitor);
+ }
+
+ if (monitor->proc_mounts_watch_source != NULL)
+ g_source_destroy (monitor->proc_mounts_watch_source);
+
+ if (monitor->mtab_monitor)
+ {
+ g_file_monitor_cancel (monitor->mtab_monitor);
+ g_object_unref (monitor->mtab_monitor);
+ }
+
+ g_list_free_full (monitor->mount_poller_mounts, (GDestroyNotify)g_unix_mount_free);
+
+ the_mount_monitor = NULL;
+
+ G_OBJECT_CLASS (g_unix_mount_monitor_parent_class)->finalize (object);
+}
+
+
+static void
+g_unix_mount_monitor_class_init (GUnixMountMonitorClass *klass)
+{
+ GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
+
+ gobject_class->finalize = g_unix_mount_monitor_finalize;
+
+ /**
+ * GUnixMountMonitor::mounts-changed:
+ * @monitor: the object on which the signal is emitted
+ *
+ * Emitted when the unix mounts have changed.
+ */
+ signals[MOUNTS_CHANGED] =
+ g_signal_new ("mounts-changed",
+ G_TYPE_FROM_CLASS (klass),
+ G_SIGNAL_RUN_LAST,
+ 0,
+ NULL, NULL,
+ g_cclosure_marshal_VOID__VOID,
+ G_TYPE_NONE, 0);
+
+ /**
+ * GUnixMountMonitor::mountpoints-changed:
+ * @monitor: the object on which the signal is emitted
+ *
+ * Emitted when the unix mount points have changed.
+ */
+ signals[MOUNTPOINTS_CHANGED] =
+ g_signal_new ("mountpoints-changed",
+ G_TYPE_FROM_CLASS (klass),
+ G_SIGNAL_RUN_LAST,
+ 0,
+ NULL, NULL,
+ g_cclosure_marshal_VOID__VOID,
+ G_TYPE_NONE, 0);
+}
static void
fstab_file_changed (GFileMonitor *monitor,
- GFile *file,
- GFile *other_file,
- GFileMonitorEvent event_type,
- gpointer user_data)
+ GFile *file,
+ GFile *other_file,
+ GFileMonitorEvent event_type,
+ gpointer user_data)
{
+ GUnixMountMonitor *mount_monitor;
+
if (event_type != G_FILE_MONITOR_EVENT_CHANGED &&
event_type != G_FILE_MONITOR_EVENT_CREATED &&
event_type != G_FILE_MONITOR_EVENT_DELETED)
return;
- g_context_specific_group_emit (&mount_monitor_group, signals[MOUNTPOINTS_CHANGED]);
+ mount_monitor = user_data;
+ g_signal_emit (mount_monitor, signals[MOUNTPOINTS_CHANGED], 0);
}
static void
mtab_file_changed (GFileMonitor *monitor,
- GFile *file,
- GFile *other_file,
- GFileMonitorEvent event_type,
- gpointer user_data)
+ GFile *file,
+ GFile *other_file,
+ GFileMonitorEvent event_type,
+ gpointer user_data)
{
+ GUnixMountMonitor *mount_monitor;
+
if (event_type != G_FILE_MONITOR_EVENT_CHANGED &&
event_type != G_FILE_MONITOR_EVENT_CREATED &&
event_type != G_FILE_MONITOR_EVENT_DELETED)
return;
-
- g_context_specific_group_emit (&mount_monitor_group, signals[MOUNTS_CHANGED]);
+
+ mount_monitor = user_data;
+ g_signal_emit (mount_monitor, signals[MOUNTS_CHANGED], 0);
}
static gboolean
@@ -1326,21 +1399,23 @@ proc_mounts_changed (GIOChannel *chann
GIOCondition cond,
gpointer user_data)
{
+ GUnixMountMonitor *mount_monitor = G_UNIX_MOUNT_MONITOR (user_data);
if (cond & G_IO_ERR)
- g_context_specific_group_emit (&mount_monitor_group, signals[MOUNTS_CHANGED]);
-
+ g_signal_emit (mount_monitor, signals[MOUNTS_CHANGED], 0);
return TRUE;
}
static gboolean
mount_change_poller (gpointer user_data)
{
+ GUnixMountMonitor *mount_monitor;
GList *current_mounts, *new_it, *old_it;
gboolean has_changed = FALSE;
+ mount_monitor = user_data;
current_mounts = _g_get_unix_mounts ();
- for ( new_it = current_mounts, old_it = 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) )
{
@@ -1353,55 +1428,34 @@ mount_change_poller (gpointer user_data)
if (!(new_it == NULL && old_it == NULL))
has_changed = TRUE;
- g_list_free_full (mount_poller_mounts, (GDestroyNotify) g_unix_mount_free);
+ g_list_free_full (mount_monitor->mount_poller_mounts,
+ (GDestroyNotify)g_unix_mount_free);
- mount_poller_mounts = current_mounts;
+ mount_monitor->mount_poller_mounts = current_mounts;
if (has_changed)
{
- mount_poller_time = (guint64) g_get_monotonic_time ();
- g_context_specific_group_emit (&mount_monitor_group, signals[MOUNTPOINTS_CHANGED]);
+ mount_poller_time = (guint64)g_get_monotonic_time ();
+ g_signal_emit (mount_monitor, signals[MOUNTS_CHANGED], 0);
}
return TRUE;
}
-
-static void
-mount_monitor_stop (void)
-{
- if (fstab_monitor)
- {
- g_file_monitor_cancel (fstab_monitor);
- g_object_unref (fstab_monitor);
- }
-
- if (proc_mounts_watch_source != NULL)
- g_source_destroy (proc_mounts_watch_source);
-
- if (mtab_monitor)
- {
- g_file_monitor_cancel (mtab_monitor);
- g_object_unref (mtab_monitor);
- }
-
- g_list_free_full (mount_poller_mounts, (GDestroyNotify) g_unix_mount_free);
-}
-
static void
-mount_monitor_start (void)
+g_unix_mount_monitor_init (GUnixMountMonitor *monitor)
{
GFile *file;
-
+
if (get_fstab_file () != NULL)
{
file = g_file_new_for_path (get_fstab_file ());
- fstab_monitor = g_file_monitor_file (file, 0, NULL, NULL);
+ monitor->fstab_monitor = g_file_monitor_file (file, 0, NULL, NULL);
g_object_unref (file);
-
- g_signal_connect (fstab_monitor, "changed", (GCallback)fstab_file_changed, NULL);
+
+ g_signal_connect (monitor->fstab_monitor, "changed", (GCallback)fstab_file_changed, monitor);
}
-
+
if (get_mtab_monitor_file () != NULL)
{
const gchar *mtab_path;
@@ -1423,93 +1477,39 @@ mount_monitor_start (void)
}
else
{
- proc_mounts_watch_source = g_io_create_watch (proc_mounts_channel, G_IO_ERR);
- g_source_set_callback (proc_mounts_watch_source,
+ monitor->proc_mounts_watch_source = g_io_create_watch (proc_mounts_channel, G_IO_ERR);
+ g_source_set_callback (monitor->proc_mounts_watch_source,
(GSourceFunc) proc_mounts_changed,
- NULL, NULL);
- g_source_attach (proc_mounts_watch_source,
+ monitor,
+ NULL);
+ g_source_attach (monitor->proc_mounts_watch_source,
g_main_context_get_thread_default ());
- g_source_unref (proc_mounts_watch_source);
+ g_source_unref (monitor->proc_mounts_watch_source);
g_io_channel_unref (proc_mounts_channel);
}
}
else
{
file = g_file_new_for_path (mtab_path);
- mtab_monitor = g_file_monitor_file (file, 0, NULL, NULL);
+ monitor->mtab_monitor = g_file_monitor_file (file, 0, NULL, NULL);
g_object_unref (file);
- g_signal_connect (mtab_monitor, "changed", (GCallback)mtab_file_changed, NULL);
+ g_signal_connect (monitor->mtab_monitor, "changed", (GCallback)mtab_file_changed, monitor);
}
}
else
{
- proc_mounts_watch_source = g_timeout_source_new_seconds (3);
- mount_poller_mounts = _g_get_unix_mounts ();
+ monitor->proc_mounts_watch_source = g_timeout_source_new_seconds (3);
+ monitor->mount_poller_mounts = _g_get_unix_mounts ();
mount_poller_time = (guint64)g_get_monotonic_time ();
- g_source_set_callback (proc_mounts_watch_source,
- mount_change_poller,
- NULL, NULL);
- g_source_attach (proc_mounts_watch_source,
+ g_source_set_callback (monitor->proc_mounts_watch_source,
+ (GSourceFunc)mount_change_poller,
+ monitor, NULL);
+ g_source_attach (monitor->proc_mounts_watch_source,
g_main_context_get_thread_default ());
- g_source_unref (proc_mounts_watch_source);
+ g_source_unref (monitor->proc_mounts_watch_source);
}
}
-static void
-g_unix_mount_monitor_finalize (GObject *object)
-{
- GUnixMountMonitor *monitor;
-
- monitor = G_UNIX_MOUNT_MONITOR (object);
-
- g_context_specific_group_remove (&mount_monitor_group, monitor->context, monitor, mount_monitor_stop);
-
- G_OBJECT_CLASS (g_unix_mount_monitor_parent_class)->finalize (object);
-}
-
-static void
-g_unix_mount_monitor_class_init (GUnixMountMonitorClass *klass)
-{
- GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
-
- gobject_class->finalize = g_unix_mount_monitor_finalize;
-
- /**
- * GUnixMountMonitor::mounts-changed:
- * @monitor: the object on which the signal is emitted
- *
- * Emitted when the unix mounts have changed.
- */
- signals[MOUNTS_CHANGED] =
- g_signal_new ("mounts-changed",
- G_TYPE_FROM_CLASS (klass),
- G_SIGNAL_RUN_LAST,
- 0,
- NULL, NULL,
- g_cclosure_marshal_VOID__VOID,
- G_TYPE_NONE, 0);
-
- /**
- * GUnixMountMonitor::mountpoints-changed:
- * @monitor: the object on which the signal is emitted
- *
- * Emitted when the unix mount points have changed.
- */
- signals[MOUNTPOINTS_CHANGED] =
- g_signal_new ("mountpoints-changed",
- G_TYPE_FROM_CLASS (klass),
- G_SIGNAL_RUN_LAST,
- 0,
- NULL, NULL,
- g_cclosure_marshal_VOID__VOID,
- G_TYPE_NONE, 0);
-}
-
-static void
-g_unix_mount_monitor_init (GUnixMountMonitor *monitor)
-{
-}
-
/**
* g_unix_mount_monitor_set_rate_limit:
* @mount_monitor: a #GUnixMountMonitor
@@ -1537,16 +1537,12 @@ g_unix_mount_monitor_set_rate_limit (GUn
/**
* g_unix_mount_monitor_get:
*
- * Gets the #GUnixMountMonitor for the current thread-default main
- * context.
+ * Gets the #GUnixMountMonitor.
*
* The mount monitor can be used to monitor for changes to the list of
* mounted filesystems as well as the list of mount points (ie: fstab
* entries).
*
- * You must only call g_object_unref() on the return value from under
- * the same main context as you called this function.
- *
* Returns: (transfer full): the #GUnixMountMonitor.
*
* Since: 2.44
@@ -1554,10 +1550,13 @@ g_unix_mount_monitor_set_rate_limit (GUn
GUnixMountMonitor *
g_unix_mount_monitor_get (void)
{
- return g_context_specific_group_get (&mount_monitor_group,
- G_TYPE_UNIX_MOUNT_MONITOR,
- G_STRUCT_OFFSET(GUnixMountMonitor, context),
- mount_monitor_start);
+ if (the_mount_monitor == NULL)
+ {
+ the_mount_monitor = g_object_new (G_TYPE_UNIX_MOUNT_MONITOR, NULL);
+ return the_mount_monitor;
+ }
+
+ return g_object_ref (the_mount_monitor);
}
/**
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