Introduce Virtio-loopback epsilon release:

Epsilon release introduces a new compatibility layer which make virtio-loopback
design to work with QEMU and rust-vmm vhost-user backend without require any
changes.

Signed-off-by: Timos Ampelikiotis <t.ampelikiotis@virtualopensystems.com>
Change-Id: I52e57563e08a7d0bdc002f8e928ee61ba0c53dd9

1 files changed, 50 insertions, 0 deletions

diff --git a/util/event_notifier-win32.c b/util/event_notifier-win32.c
new file mode 100644
index 000000000..62c53b0a9
--- /dev/null
+++ b/util/event_notifier-win32.c
@@ -0,0 +1,50 @@
+/*
+ * 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.
+ */
+
+#include "qemu/osdep.h"
+#include "qemu-common.h"
+#include "qemu/event_notifier.h"
+#include "qemu/main-loop.h"
+
+int event_notifier_init(EventNotifier *e, int active)
+{
+    e->event = CreateEvent(NULL, TRUE, FALSE, NULL);
+    assert(e->event);
+    return 0;
+}
+
+void event_notifier_cleanup(EventNotifier *e)
+{
+    CloseHandle(e->event);
+    e->event = NULL;
+}
+
+HANDLE event_notifier_get_handle(EventNotifier *e)
+{
+    return e->event;
+}
+
+int event_notifier_set(EventNotifier *e)
+{
+    SetEvent(e->event);
+    return 0;
+}
+
+int event_notifier_test_and_clear(EventNotifier *e)
+{
+    int ret = WaitForSingleObject(e->event, 0);
+    if (ret == WAIT_OBJECT_0) {
+        ResetEvent(e->event);
+        return true;
+    }
+    return false;
+}