[qemu.git] / include / qemu / event_notifier.h

/*
 * event notifier support
 *
 * Copyright Red Hat, Inc. 2010
 *
 * Authors:
 *  Michael S. Tsirkin <[email protected]>
 *
 * 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 *);

#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
Commit	Line	Data
6b620ca3 PB	1	/*
	2	* event notifier support
	3	*
	4	* Copyright Red Hat, Inc. 2010
	5	*
	6	* Authors:
	7	* Michael S. Tsirkin <[email protected]>
	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
2292b339 MT	13	#ifndef QEMU_EVENT_NOTIFIER_H
	14	#define QEMU_EVENT_NOTIFIER_H
	15
	16	#include "qemu-common.h"
	17
fc97a652 PB	18	#ifdef _WIN32
	19	#include <windows.h>
	20	#endif
	21
2292b339	22	struct EventNotifier {
fc97a652 PB	23	#ifdef _WIN32
	24	HANDLE event;
	25	#else
d0cc2fbf PB	26	int rfd;
d0cc2fbf PB	27	int wfd;
fc97a652	28	#endif
2292b339 MT	29	};
2292b339 MT	30
6bf819f0 PB	31	typedef void EventNotifierHandler(EventNotifier *);
6bf819f0 PB	32
2292b339 MT	33	int event_notifier_init(EventNotifier *, int active);
2292b339 MT	34	void event_notifier_cleanup(EventNotifier *);
2ec10b95	35	int event_notifier_set(EventNotifier *);
2292b339	36	int event_notifier_test_and_clear(EventNotifier *);
2292b339	37
fc97a652 PB	38	#ifdef CONFIG_POSIX
fc97a652 PB	39	void event_notifier_init_fd(EventNotifier *, int fd);
12f0b68c	40	int event_notifier_get_fd(const EventNotifier *);
fc97a652 PB	41	#else
	42	HANDLE event_notifier_get_handle(EventNotifier *);
	43	#endif
	44
2292b339	45	#endif