xemu/include/qemu/event_notifier.h
Fam Zheng 54e18d35e4 event-notifier: Add "is_external" parameter
All callers pass "false" keeping the old semantics. The windows
implementation doesn't distinguish the flag yet. On posix, it is passed
down to the underlying aio context.

Signed-off-by: Fam Zheng <famz@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2016-04-22 16:43:56 +02:00

49 lines
1.1 KiB
C

/*
* 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