| | 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 | |
| | 13 | #ifndef QEMU_EVENT_NOTIFIER_H |
| | 14 | #define QEMU_EVENT_NOTIFIER_H |
| | 15 | |
| | 16 | #include "qemu-common.h" |
| | 17 | |
| | 18 | #ifdef _WIN32 |
| | 19 | #include <windows.h> |
| | 20 | #endif |
| | 21 | |
| | 22 | struct EventNotifier { |
| | 23 | #ifdef _WIN32 |
| | 24 | HANDLE event; |
| | 25 | #else |
| | 26 | int rfd; |
| | 27 | int wfd; |
| | 28 | #endif |
| | 29 | }; |
| | 30 | |
| | 31 | typedef void EventNotifierHandler(EventNotifier *); |
| | 32 | |
| | 33 | int event_notifier_init(EventNotifier *, int active); |
| | 34 | void event_notifier_cleanup(EventNotifier *); |
| | 35 | int event_notifier_set(EventNotifier *); |
| | 36 | int event_notifier_test_and_clear(EventNotifier *); |
| | 37 | int event_notifier_set_handler(EventNotifier *, EventNotifierHandler *); |
| | 38 | |
| | 39 | #ifdef CONFIG_POSIX |
| | 40 | void event_notifier_init_fd(EventNotifier *, int fd); |
| | 41 | int event_notifier_get_fd(EventNotifier *); |
| | 42 | #else |
| | 43 | HANDLE event_notifier_get_handle(EventNotifier *); |
| | 44 | #endif |
| | 45 | |
| | 46 | #endif |
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