From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:38589) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1b7IlH-0004X0-F7 for qemu-devel@nongnu.org; Mon, 30 May 2016 04:41:24 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1b7IlE-0001Ug-7q for qemu-devel@nongnu.org; Mon, 30 May 2016 04:41:23 -0400 Received: from mx1.redhat.com ([209.132.183.28]:50422) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1b7IlE-0001Uc-2e for qemu-devel@nongnu.org; Mon, 30 May 2016 04:41:20 -0400 Received: from int-mx14.intmail.prod.int.phx2.redhat.com (int-mx14.intmail.prod.int.phx2.redhat.com [10.5.11.27]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id A4C3A70A95 for ; Mon, 30 May 2016 08:41:19 +0000 (UTC) From: Gerd Hoffmann Date: Mon, 30 May 2016 10:41:13 +0200 Message-Id: <1464597673-26464-1-git-send-email-kraxel@redhat.com> Subject: [Qemu-devel] [PATCH] console: ignore ui_info updates which don't actually update something List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: Gerd Hoffmann Signed-off-by: Gerd Hoffmann --- ui/console.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/ui/console.c b/ui/console.c index 6402010..581480f 100644 --- a/ui/console.c +++ b/ui/console.c @@ -1457,16 +1457,21 @@ bool dpy_ui_info_supported(QemuConsole *con) int dpy_set_ui_info(QemuConsole *con, QemuUIInfo *info) { assert(con != NULL); - con->ui_info = *info; + if (!dpy_ui_info_supported(con)) { return -1; } + if (memcmp(&con->ui_info, info, sizeof(con->ui_info)) == 0) { + /* nothing changed -- ignore */ + return 0; + } /* * Typically we get a flood of these as the user resizes the window. * Wait until the dust has settled (one second without updates), then * go notify the guest. */ + con->ui_info = *info; timer_mod(con->ui_timer, qemu_clock_get_ms(QEMU_CLOCK_REALTIME) + 1000); return 0; } -- 1.8.3.1