diff options
Diffstat (limited to 'include/block')
| -rw-r--r-- | include/block/aio.h | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/include/block/aio.h b/include/block/aio.h index 349143f6d9..3817d179fd 100644 --- a/include/block/aio.h +++ b/include/block/aio.h @@ -137,6 +137,9 @@ struct AioContext { /* Maximum polling time in nanoseconds */ int64_t poll_max_ns; + /* Are we in polling mode or monitoring file descriptors? */ + bool poll_started; + /* epoll(7) state used when built with CONFIG_EPOLL */ int epollfd; bool epoll_enabled; @@ -339,6 +342,14 @@ void aio_set_fd_handler(AioContext *ctx, AioPollFn *io_poll, void *opaque); +/* Set polling begin/end callbacks for a file descriptor that has already been + * registered with aio_set_fd_handler. Do nothing if the file descriptor is + * not registered. + */ +void aio_set_fd_poll(AioContext *ctx, int fd, + IOHandler *io_poll_begin, + IOHandler *io_poll_end); + /* Register an event notifier and associated callbacks. Behaves very similarly * to event_notifier_set_handler. Unlike event_notifier_set_handler, these callbacks * will be invoked when using aio_poll(). @@ -352,6 +363,15 @@ void aio_set_event_notifier(AioContext *ctx, EventNotifierHandler *io_read, AioPollFn *io_poll); +/* Set polling begin/end callbacks for an event notifier that has already been + * registered with aio_set_event_notifier. Do nothing if the event notifier is + * not registered. + */ +void aio_set_event_notifier_poll(AioContext *ctx, + EventNotifier *notifier, + EventNotifierHandler *io_poll_begin, + EventNotifierHandler *io_poll_end); + /* Return a GSource that lets the main loop poll the file descriptors attached * to this AioContext. */ |