event_notifier.h

   1 /*
   2  * event notifier support
   3  *
   4  * Copyright Red Hat, Inc. 2010
   5  *
   6  * Authors:
   7  *  Michael S. Tsirkin <mst@redhat.com>
   8  *
   9  * This work is licensed under the terms of the GNU GPL, version 2 or later.
  10  * See the COPYING file in the top-level directory.
  11  */
  12
  13 #ifndef QEMU_EVENT_NOTIFIER_H
  14 #define QEMU_EVENT_NOTIFIER_H
  15
  16 #include "qemu-common.h"
  17
  18 struct EventNotifier {
  19     int fd;
  20 };
  21
  22 typedef void EventNotifierHandler(EventNotifier *);
  23
  24 void event_notifier_init_fd(EventNotifier *, int fd);
  25 int event_notifier_init(EventNotifier *, int active);
  26 void event_notifier_cleanup(EventNotifier *);
  27 int event_notifier_get_fd(EventNotifier *);
  28 int event_notifier_set(EventNotifier *);
  29 int event_notifier_test_and_clear(EventNotifier *);
  30 int event_notifier_set_handler(EventNotifier *, EventNotifierHandler *);
  31
  32 #endif