From 835f69f4e64e2285253bae57f618a75a2756f27c Mon Sep 17 00:00:00 2001
From: Marc-André Lureau
Date: Mon, 19 Jul 2021 00:33:31 +0400
Subject: ui/vdagent: add serial capability support

The Spice agent implements a simple serial mechanism to avoid clipboard
races between client & guest. See:
https://gitlab.freedesktop.org/spice/spice-protocol/-/commit/045a6978d6dbbf7046affc5c321fa8177c8cce56

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Acked-by: Gerd Hoffmann <kraxel@redhat.com>
---
 include/ui/clipboard.h | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'include')

diff --git a/include/ui/clipboard.h b/include/ui/clipboard.h
index d82cf31481..e590b453c8 100644
--- a/include/ui/clipboard.h
+++ b/include/ui/clipboard.h
@@ -102,6 +102,8 @@ struct QemuClipboardNotify {
  * @owner: clipboard owner.
  * @selection: clipboard selection.
  * @types: clipboard data array (one entry per type).
+ * @has_serial: whether @serial is available.
+ * @serial: the grab serial counter.
  *
  * Clipboard content data and metadata.
  */
@@ -109,6 +111,8 @@ struct QemuClipboardInfo {
     uint32_t refcount;
     QemuClipboardPeer *owner;
     QemuClipboardSelection selection;
+    bool has_serial;
+    uint32_t serial;
     struct {
         bool available;
         bool requested;
-- 
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