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gio: Do not block when low-memory-monitor daemon appears

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This commit is contained in:
Bastien Nocera 2021-07-28 15:30:15 +02:00
parent a7000cd989
commit 92399e7114
1 changed files with 29 additions and 13 deletions
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42
gio/gmemorymonitordbus.c
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@ -25,6 +25,7 @@
#include "giomodule-priv.h"
#include "glibintl.h"
#include "glib/gstdio.h"
#include "gcancellable.h"
#include "gdbusproxy.h"
#include "gdbusnamewatching.h"
@ -38,6 +39,7 @@ struct _GMemoryMonitorDBus
GObject parent_instance;
guint watch_id;
GCancellable *cancellable;
GDBusProxy *proxy;
gulong signal_id;
};
@ -77,24 +79,15 @@ proxy_signal_cb (GDBusProxy *proxy,
}
static void
lmm_appeared_cb (GDBusConnection *connection,
const gchar *name,
const gchar *name_owner,
gpointer user_data)
lmm_proxy_cb (GObject *source_object,
GAsyncResult *res,
gpointer user_data)
{
GMemoryMonitorDBus *dbus = user_data;
GDBusProxy *proxy;
GError *error = NULL;
proxy = g_dbus_proxy_new_for_bus_sync (G_BUS_TYPE_SYSTEM,
G_DBUS_PROXY_FLAGS_DO_NOT_AUTO_START,
NULL,
"org.freedesktop.LowMemoryMonitor",
"/org/freedesktop/LowMemoryMonitor",
"org.freedesktop.LowMemoryMonitor",
NULL,
&error);
proxy = g_dbus_proxy_new_finish (res, &error);
if (!proxy)
{
g_debug ("Failed to create LowMemoryMonitor D-Bus proxy: %s",
@ -106,6 +99,26 @@ lmm_appeared_cb (GDBusConnection *connection,
dbus->signal_id = g_signal_connect (G_OBJECT (proxy), "g-signal",
G_CALLBACK (proxy_signal_cb), dbus);
dbus->proxy = proxy;
}
static void
lmm_appeared_cb (GDBusConnection *connection,
const gchar *name,
const gchar *name_owner,
gpointer user_data)
{
GMemoryMonitorDBus *dbus = user_data;
g_dbus_proxy_new (connection,
G_DBUS_PROXY_FLAGS_DO_NOT_AUTO_START,
NULL,
"org.freedesktop.LowMemoryMonitor",
"/org/freedesktop/LowMemoryMonitor",
"org.freedesktop.LowMemoryMonitor",
dbus->cancellable,
lmm_proxy_cb,
dbus);
}
static void
@ -126,6 +139,7 @@ g_memory_monitor_dbus_initable_init (GInitable *initable,
{
GMemoryMonitorDBus *dbus = G_MEMORY_MONITOR_DBUS (initable);
dbus->cancellable = g_cancellable_new ();
dbus->watch_id = g_bus_watch_name (G_BUS_TYPE_SYSTEM,
"org.freedesktop.LowMemoryMonitor",
G_BUS_NAME_WATCHER_FLAGS_AUTO_START,
@ -142,6 +156,8 @@ g_memory_monitor_dbus_finalize (GObject *object)
{
GMemoryMonitorDBus *dbus = G_MEMORY_MONITOR_DBUS (object);
g_cancellable_cancel (dbus->cancellable);
g_clear_object (&dbus->cancellable);
g_clear_signal_handler (&dbus->signal_id, dbus->proxy);
g_clear_object (&dbus->proxy);
g_clear_handle_id (&dbus->watch_id, g_bus_unwatch_name);