gio/inotify/inotify-diag.c

   1 /* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 2; tab-width: 8 -*- */
   2
   3 /* inotify-helper.c - Gnome VFS Monitor based on inotify.
   4
   5    Copyright (C) 2005 John McCutchan
   6
   7    The Gnome Library is free software; you can redistribute it and/or
   8    modify it under the terms of the GNU Library General Public License as
   9    published by the Free Software Foundation; either version 2 of the
  10    License, or (at your option) any later version.
  11
  12    The Gnome 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    Library General Public License for more details.
  16
  17    You should have received a copy of the GNU Library General Public
  18    License along with the Gnome Library; see the file COPYING.LIB.  If not,
  19    write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  20    Boston, MA 02111-1307, USA.
  21
  22    Authors:
  23                  John McCutchan <john@johnmccutchan.com>
  24 */
  25
  26 #include "config.h"
  27 #include <glib.h>
  28 #include <sys/types.h>
  29 #include <unistd.h>
  30 #include "inotify-missing.h"
  31 #include "inotify-path.h"
  32 #include "inotify-diag.h"
  33
  34 #define DIAG_DUMP_TIME 20000 /* 20 seconds */
  35
  36 G_LOCK_EXTERN (inotify_lock);
  37
  38 static gboolean
  39 id_dump (gpointer userdata)
  40 {
  41   GIOChannel *ioc;
  42   pid_t pid;
  43   char *fname;
  44   G_LOCK (inotify_lock);
  45   ioc = NULL;
  46   pid = getpid ();
  47
  48   fname = g_strdup_printf ("/tmp/gvfsid.%d", pid);
  49   ioc = g_io_channel_new_file (fname, "w", NULL);
  50   g_free (fname);
  51
  52   if (!ioc)
  53     {
  54       G_UNLOCK (inotify_lock);
  55       return TRUE;
  56     }
  57
  58   _im_diag_dump (ioc);
  59
  60   g_io_channel_shutdown (ioc, TRUE, NULL);
  61   g_io_channel_unref (ioc);
  62
  63   G_UNLOCK (inotify_lock);
  64   return TRUE;
  65 }
  66
  67 void
  68 _id_startup (void)
  69 {
  70   if (!g_getenv ("GVFS_INOTIFY_DIAG"))
  71     return;
  72
  73   g_timeout_add (DIAG_DUMP_TIME, id_dump, NULL);
  74 }