Import Upstream version 2.72.4

gio/gmemorymonitor.h

@@ -0,0 +1,62 @@
+/* GIO - GLib Input, Output and Streaming Library
+ *
+ * Copyright 2019 Red Hat, Inc.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General
+ * Public License along with this library; if not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef __G_MEMORY_MONITOR_H__
+#define __G_MEMORY_MONITOR_H__
+
+#if !defined (__GIO_GIO_H_INSIDE__) && !defined (GIO_COMPILATION)
+#error "Only <gio/gio.h> can be included directly."
+#endif
+
+#include <gio/giotypes.h>
+
+G_BEGIN_DECLS
+
+/**
+ * G_MEMORY_MONITOR_EXTENSION_POINT_NAME:
+ *
+ * Extension point for memory usage monitoring functionality.
+ * See [Extending GIO][extending-gio].
+ *
+ * Since: 2.64
+ */
+#define G_MEMORY_MONITOR_EXTENSION_POINT_NAME "gio-memory-monitor"
+
+#define G_TYPE_MEMORY_MONITOR             (g_memory_monitor_get_type ())
+GLIB_AVAILABLE_IN_2_64
+G_DECLARE_INTERFACE(GMemoryMonitor, g_memory_monitor, g, memory_monitor, GObject)
+
+#define G_MEMORY_MONITOR(o)               (G_TYPE_CHECK_INSTANCE_CAST ((o), G_TYPE_MEMORY_MONITOR, GMemoryMonitor))
+#define G_IS_MEMORY_MONITOR(o)            (G_TYPE_CHECK_INSTANCE_TYPE ((o), G_TYPE_MEMORY_MONITOR))
+#define G_MEMORY_MONITOR_GET_INTERFACE(o) (G_TYPE_INSTANCE_GET_INTERFACE ((o), G_TYPE_MEMORY_MONITOR, GMemoryMonitorInterface))
+
+struct _GMemoryMonitorInterface {
+  /*< private >*/
+  GTypeInterface g_iface;
+
+  /*< public >*/
+  void     (*low_memory_warning)  (GMemoryMonitor             *monitor,
+                                   GMemoryMonitorWarningLevel  level);
+};
+
+GLIB_AVAILABLE_IN_2_64
+GMemoryMonitor      *g_memory_monitor_dup_default           (void);
+
+G_END_DECLS
+
+#endif /* __G_MEMORY_MONITOR_H__ */