1  /* GIO - GLib Input, Output and Streaming Library
       2   *
       3   * Copyright 2019 Red Hat, Inc.
       4   *
       5   * SPDX-License-Identifier: LGPL-2.1-or-later
       6   *
       7   * This library is free software; you can redistribute it and/or
       8   * modify it under the terms of the GNU Lesser General Public
       9   * License as published by the Free Software Foundation; either
      10   * version 2.1 of the License, or (at your option) any later version.
      11   *
      12   * This library is distributed in the hope that it will be useful,
      13   * but WITHOUT ANY WARRANTY; without even the implied warranty of
      14   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
      15   * Lesser General Public License for more details.
      16   *
      17   * You should have received a copy of the GNU Lesser General
      18   * Public License along with this library; if not, see <http://www.gnu.org/licenses/>.
      19   */
      20  
      21  #include <gio/gio.h>
      22  
      23  static void
      24  test_dup_default (void)
      25  {
      26    GMemoryMonitor *monitor;
      27  
      28    monitor = g_memory_monitor_dup_default ();
      29    g_assert_nonnull (monitor);
      30    g_object_unref (monitor);
      31  }
      32  
      33  static void
      34  warning_cb (GMemoryMonitor *m,
      35  	    GMemoryMonitorWarningLevel level)
      36  {
      37    char *str = g_enum_to_string (G_TYPE_MEMORY_MONITOR_WARNING_LEVEL, level);
      38    g_message ("Warning level: %s (%d)", str , level);
      39    g_free (str);
      40  }
      41  
      42  static void
      43  do_watch_memory (void)
      44  {
      45    GMemoryMonitor *m;
      46    GMainLoop *loop;
      47  
      48    m = g_memory_monitor_dup_default ();
      49    g_signal_connect (G_OBJECT (m), "low-memory-warning",
      50  		    G_CALLBACK (warning_cb), NULL);
      51  
      52    loop = g_main_loop_new (NULL, TRUE);
      53    g_main_loop_run (loop);
      54  }
      55  
      56  int
      57  main (int argc, char **argv)
      58  {
      59    int ret;
      60  
      61    if (argc == 2 && !strcmp (argv[1], "--watch"))
      62      {
      63        do_watch_memory ();
      64        return 0;
      65      }
      66  
      67    g_test_init (&argc, &argv, NULL);
      68  
      69    g_test_add_func ("/memory-monitor/default", test_dup_default);
      70  
      71    ret = g_test_run ();
      72  
      73    return ret;
      74  }