src/libcaptive/client/leave.c

   1 /* $Id$
   2  * Code of leaving libcaptive to be called to cleanup W32 fs state
   3  * Copyright (C) 2003 Jan Kratochvil <project-captive@jankratochvil.net>
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; exactly version 2 of June 1991 is required
   8  *
   9  * This program is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License
  15  * along with this program; if not, write to the Free Software
  16  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  17  */
  18
  19
  20 #include "config.h"
  21
  22 #include "captive/leave.h"      /* self */
  23 #include <glib/gtypes.h>
  24 #include <glib/gmessages.h>
  25 #include "captive/macros.h"
  26 #include <glib/ghook.h>
  27
  28
  29
  30 static GHookList captive_leave_hooklist;
  31
  32
  33 static void captive_leave_hooklist_init(void)
  34 {
  35         if (captive_leave_hooklist.is_setup)
  36                 return;
  37
  38         g_hook_list_init(&captive_leave_hooklist,sizeof(GHook));
  39 }
  40
  41
  42 void captive_leave(void)
  43 {
  44 GHookList captive_leave_hooklist_local;
  45
  46         for (;;) {
  47                 captive_leave_hooklist_init();
  48                 if (!captive_leave_hooklist.hooks)
  49                         break;
  50
  51                 captive_leave_hooklist_local=captive_leave_hooklist;
  52                 captive_leave_hooklist.is_setup=FALSE;
  53
  54                 g_hook_list_invoke(&captive_leave_hooklist_local,
  55                                 FALSE); /* may_recurse */
  56                 g_hook_list_clear(&captive_leave_hooklist_local);
  57                 }
  58 }
  59
  60
  61 void captive_leave_register(captive_leave_func func,gpointer data)
  62 {
  63 GHook *ghook;
  64
  65         g_return_if_fail(func!=NULL);
  66
  67         captive_leave_hooklist_init();
  68
  69         ghook=g_hook_alloc(&captive_leave_hooklist);
  70         ghook->func=func;
  71         ghook->data=data;
  72         g_hook_append(&captive_leave_hooklist,ghook);
  73 }