aio: provide platform-independent API

This adds to aio.c a platform-independent API based on EventNotifiers, that
can be used by both POSIX and Win32.

Reviewed-by: Anthony Liguori <aliguori@us.ibm.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

1 files changed, 9 insertions, 0 deletions

diff --git a/aio.c b/aio.c
index e062aab2af..44214e1ffc 100644
--- a/aio.c
+++ b/aio.c
@@ -95,6 +95,15 @@ void qemu_aio_set_fd_handler(int fd,
     qemu_set_fd_handler2(fd, NULL, io_read, io_write, opaque);
 }
 
+void qemu_aio_set_event_notifier(EventNotifier *notifier,
+                                 EventNotifierHandler *io_read,
+                                 AioFlushEventNotifierHandler *io_flush)
+{
+    qemu_aio_set_fd_handler(event_notifier_get_fd(notifier),
+                            (IOHandler *)io_read, NULL,
+                            (AioFlushHandler *)io_flush, notifier);
+}
+
 void qemu_aio_flush(void)
 {
     while (qemu_aio_wait());