AioContext: introduce aio_prepare
This will be used to implement socket polling on Windows.
On Windows, select() and g_poll() are completely different;
sockets are polled with select() before calling g_poll,
and the g_poll must be nonblocking if select() says a
socket is ready.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
diff --git a/aio-posix.c b/aio-posix.c
index 0936b4f..d3ac06e 100644
--- a/aio-posix.c
+++ b/aio-posix.c
@@ -100,6 +100,11 @@
(IOHandler *)io_read, NULL, notifier);
}
+bool aio_prepare(AioContext *ctx)
+{
+ return false;
+}
+
bool aio_pending(AioContext *ctx)
{
AioHandler *node;
