qemu-e2k/include/qemu/event_notifier.h

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/*
* event notifier support
*
* Copyright Red Hat, Inc. 2010
*
* Authors:
* Michael S. Tsirkin <mst@redhat.com>
*
* This work is licensed under the terms of the GNU GPL, version 2 or later.
* See the COPYING file in the top-level directory.
*/
#ifndef QEMU_EVENT_NOTIFIER_H
#define QEMU_EVENT_NOTIFIER_H
#include "qemu-common.h"
#ifdef _WIN32
#include <windows.h>
#endif
struct EventNotifier {
#ifdef _WIN32
HANDLE event;
#else
int rfd;
int wfd;
#endif
};
typedef void EventNotifierHandler(EventNotifier *);
int event_notifier_init(EventNotifier *, int active);
void event_notifier_cleanup(EventNotifier *);
int event_notifier_set(EventNotifier *);
int event_notifier_test_and_clear(EventNotifier *);
int event_notifier_set_handler(EventNotifier *,
bool is_external,
EventNotifierHandler *);
#ifdef CONFIG_POSIX
void event_notifier_init_fd(EventNotifier *, int fd);
int event_notifier_get_fd(const EventNotifier *);
#else
HANDLE event_notifier_get_handle(EventNotifier *);
#endif
#endif